Relevant bibliographies by topics / Sound, light and Heat

Academic literature on the topic 'Sound, light and Heat'

Author: Grafiati
Published: 7 September 2023

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Journal articles on the topic "Sound, light and Heat"

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Ladbury, Ray. "Sound from Sunspots Generates Heat As Well As Light." Physics Today 49, no. 4 (April 1996): 20–22. http://dx.doi.org/10.1063/1.2807577.

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Oehler, Oscar. "Sound, heat and light: photoacoustic and photothermal detection of gases." Sensor Review 15, no. 3 (September 1995): 14–16. http://dx.doi.org/10.1108/02602289510795923.

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Choi, Hyeung Sik, Hee Young Shin, Ji Youn Oh, Tae Woo Lim, and Yun Hae Kim. "Temperature Regulation for LED Lamps Using Fans." Advanced Materials Research 753-755 (August 2013): 1931–38. http://dx.doi.org/10.4028/www.scientific.net/amr.753-755.1931.

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A temperature regulation control for LED(Light Emitting Diode) lamp using a cooling fan was studied. An efficient temperature regulation scheme using fan wind at the lowest sound noise was studied. For the study, after measurement of the minimum sound noise of the fan and related temperature of the LED lamp through tests, experiments on temperature control of the LED lamp using the fan with various size of heat sinks was performed. Also, characteristics and relationship of heat sinks and fans are studied through experiments. To reduce the fan sound noise, a method of reducing the operation time with optimal size of the heat sink was studied.
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Thomas, R. L., and L. D. Favro. "From Photoacoustic Microscopy to Thermal-Wave Imaging." MRS Bulletin 21, no. 10 (October 1996): 47–52. http://dx.doi.org/10.1557/s088376940003164x.

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Photoacoustic spectroscopy is a technique in which the absorption of periodically intensity-modulated light is detected by the sound that it produces at the (acoustic) modulation frequency in a closed volume of gas or liquid in thermal contact with the material absorbing the light. The spectroscopic aspect of the technique relies on the ability to scan the wavelength of the light that stimulates the sound. Thus one can determine the absorption as a function of wavelength through the conversion of absorbed energy to heat and thence to sound. The acoustic detection is carried out synchronously with respect to the imposed intensity-modulation frequency on the light, making it possible to use narrow-band noise reduction. The existence of this technique for detecting sound generated by the absorption of light led Wong and co-workers to investigate the possibility of using the same techniques for microscopy.
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Jones, Christopher D., and Jonathan W. Steed. "Gels with sense: supramolecular materials that respond to heat, light and sound." Chemical Society Reviews 45, no. 23 (2016): 6546–96. http://dx.doi.org/10.1039/c6cs00435k.

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Strang, David. "Sensitive Chaos." Leonardo 48, no. 3 (June 2015): 286–87. http://dx.doi.org/10.1162/leon_a_01012.

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This paper describes the life (and death) of the interface in the installation Tiny Moments by David Strang. Tiny Moments is a sound and light interactive installation that explores natural phenomena surrounding heat, ice and presence/ proximity. This installation explores the process of natural materials in computer interaction in a way beyond simple hardware devices available to users. What is created is a space filled with ever changing rhythms of light and sound in complete synchronicity that no user feels to have any control of.
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Dannecker, E., B. McLay, and R. Fillingim. "Effects of induced muscle pain on responses to light, sound, heat, and exercise." Journal of Pain 12, no. 4 (April 2011): P7. http://dx.doi.org/10.1016/j.jpain.2011.02.028.

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Golubkov, A. V., L. S. Parfen’eva, I. A. Smirnov, D. Wlosewicz, H. Misiorek, J. Mucha, A. Jezowski, A. I. Krivchikov, G. A. Zvyagina, and I. B. Bilich. "Heat capacity and velocity of sound in the YbMgCu4 “light” heavy-fermion system." Physics of the Solid State 49, no. 11 (November 2007): 2042–46. http://dx.doi.org/10.1134/s1063783407110042.

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Gosselin, M., L. Legendre, S. Demers, and R. G. Ingram. "Responses of Sea-Ice Microalgae to Climatic and Fortnightly Tidal Energy Inputs (Manitounuk Sound, Hudson Bay)." Canadian Journal of Fisheries and Aquatic Sciences 42, no. 5 (May 1, 1985): 999–1006. http://dx.doi.org/10.1139/f85-125.

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Variations of sea-ice microalgae at the ice–water interface (Manitounuk Sound, Hudson Bay, Canada) were studied in relation to various energy inputs (light, tidal mixing, and heat) in April and May 1982. Seasonal photosynthetic activity does not start before the light intensity reaches 7.6 μEinst∙m−2∙s−1. Above this value, the seasonal increase in cell numbers and chlorophyll and in the photoadaptation index (Ik) is related to the increase in underice light intensity. The sea-ice community changes from shade to light adaptation to optimize the use of ambient light energy. Photosynthetic efficiency (αB) is mainly controlled by the fortnightly tidal vertical mixing, which governs the amount of phosphate (or of another nutrient factor) in the upper brackish layer. The ice microflora, which grows at a stable interface, takes advantage of nutrient replenishment during mixed water column conditions. We conclude that production of microalgae depends upon three forms of energy: (1) the flux of solar light, (2) the inputs of auxiliary mechanical energy (here, the fortnightly tides), and (3) the energy exchanges (here, the heat flux) responsible for the maintenance or destruction of energetic interfaces (ergoclines).
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Adlington, Robert. "Moving Beyond Motion: Metaphors for Changing Sound." Journal of the Royal Musical Association 128, no. 2 (2003): 297–318. http://dx.doi.org/10.1093/jrma/128.2.297.

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This article argues that music offers experiences of change that are at odds with our common understanding of time. Specifically, I question the widespread belief that onward motion is a condition of musical temporality. I approach this issue through metaphor theory, which tends to argue for the necessity of metaphorical experiences of time and music in terms of motion. I argue that music's changing sound evokes a variety of bodily metaphors; motion is not ever-present, but intermingles with metaphors of heat, light, weight, tension and so on. Works by Ligeti, Carter, Kurtág and Saariaho are discussed as case studies.
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Dissertations / Theses on the topic "Sound, light and Heat"

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Tang, Hsin-Yi. "Changes on physiologic and cognitive functioning through light/sound stimulation in older adults : a mind/body connection /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/7216.

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Hart, Charles J. "Architecture of light and sound." Thesis, This resource online, 1997. http://scholar.lib.vt.edu/theses/available/etd-09092008-063818/.

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Dai, Hin Man. "Light weight low frequency sound focus lens /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?PHYS%202005%20DAI.

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Giddens, Eric M. "Geoacoustic inversions using sound from light aircraft /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2005. http://wwwlib.umi.com/cr/ucsd/fullcit?p3171115.

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Menchon, Enrich Ricard. "Spatial adiabatic passage: light, sound and matter waves." Doctoral thesis, Universitat Autònoma de Barcelona, 2013. http://hdl.handle.net/10803/129476.

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El naixement de la Mecànica Quàntica va proporcionar el marc teòric que permetia poder explicar fenòmens prèviament observats experimentalment, com ara la radiació del cos negre, l'efecte fotoelèctric o les línies espectrals de gasos atòmics, i també va permetre entendre millor aspectes fonamentals relacionats amb la dualitat ona-partícula i la interacció entre radiació i matèria. La Mecànica Quàntica ha estat també l'origen de disciplines més específiques com l'Òptica Quàntica o la Informació Quàntica, les quals s’ocupen parcialment del que es coneix com Enginyeria Quàntica. En aquest context, s'han proposat processos de passatge adiabàtic, que consisteixen en el seguiment adiabàtic d'un estat propi del sistema, i que permeten un control molt robust i eficient de la transferència de població entre dos estats assimptòtics. Com molts altres processos en Mecànica Quàntica, els processos de passatge adiabàtic són purament oscil•latoris i poden ser considerats en altres sistemes físics no quàntics que suportin quantitats oscil•lants. En aquesta tesi, s'analitzen processos de passatge adiabàtic en diferents sistemes físics per a controlar la propagació de llum, so i ones de matèria en sistemes de guies acoblades, i la transferència d'àtoms freds individuals en trampes de potencial harmòniques. Adicionalment, utilitzem la robustesa i l'alta eficiència del passatge adiabàtic per proposar nous dispositius i discutir noves implementacions en aquests diversos camps. Específicament, demostrem experimentalment el passatge espacial adiabàtic de llum en un sistema de tres guies TIR d'òxid de silici compatibles-CMOS acoblades mitjançant el camp evanescent, que consisteix en una transferència completa d'intensitat de llum entre les guies externes del sistema. L'avantatge d'usar el passatge espacial adiabàtic respecte els acobladors direccionals estàndard és que la transferència de llum és robusta enfront de fluctuacions tecnològiques i no depèn de valors precisos dels paràmetres. Aquest és el primer dispositiu de passatge espacial adiabàtic per llum fabricat amb tecnologia compatible-CMOS, el que permet una integració massiva i de baix cost. A més, també demostrem experimentalment que aquest sistema de guies es comporta simultàniament com a filtre passa alts i passa baixos, amb unes característiques que el fan una alternativa a altres tipus de filtres integrables com filtres basats en interferència o en absorció. Adicionalment, adrecem el passatge espacial adiabàtic d'ones sonores en sistemes de dos defectes lineals acoblats en cristalls sònics. Calculant els diagrames de bandes per analitzar els supermodes del sistema disponibles i modificant apropiadament la geometria dels defectes lineals al llarg de la propagació, dissenyem dispositius que funcionen com a divisors i acobladors adiabàtics mutifreqüència i com a analitzadors de diferència de fase. També, proposem un mètode per injectar, extreure i filtrar en velocitat àtoms neutres en trampes en forma d'anell mitjançant el passatge espacial adiabàtic utilitzant dues guies addicionals. La proposta es basa en el seguiment adiabàtic d’un estat propi transversal del sistema. Realitzem càlculs semianalítics que encaixen perfectament amb els resultats de simulacions numèriques de l'equació de Schrödinger. També mostrem que la nostra proposta podria ser implementada experimentalment utilitzant paràmetres realistes d'àtoms ultrafreds en potencials òptics dipolars. Finalment, estudiem el passatge adiabàtic d'un àtom fred individual en un triple pou de potencial bidimensional, anant més enllà dels sistemes coneguts, que són de manera efectiva unidimensionals i estudiant les possibilitats que sorgeixen dels graus de llibertat addicionals. D'una banda, un sistema de tres pous de potencial amb les trampes en una geometria triangular es proposa per a interferometria d'ones de matèria, aprofitant un creuament de nivells que apareix en l'espectre d'energia. D'altra banda, es genera moment angular satisfactòriament en una configuració similar on les trampes tenen freqüències d'atrapament diferents, seguint simultàniament dos estats propis del sistema.
The birth of Quantum Mechanics provided a theoretical framework that could explain some previously experimentally reported phenomena, such as the black body radiation, the photoelectric effect or the spectral lines of atomic gases, and also allowed for a better understanding of fundamental aspects related to the wave-particle duality and the interaction between radiation and matter. Quantum Mechanics has been also the origin of more specific disciplines such as Quantum Optics or Quantum Information science, which are partially devoted to a more applied research field that is known as Quantum Engineering. In this context, adiabatic passage processes consisting in the adiabatic following of an eigenstate of the system, which allows for a very robust and efficient control of the population transfer between two asymptotic states have been proposed. As many other processes in Quantum Mechanics, adiabatic passage processes are purely oscillatory and can be extended to other non-quantum physical systems, which also support oscillating quantities. In this thesis, spatial adiabatic passage processes are addressed in different oscillatory physical systems to control light, sound and matter waves propagation in systems of coupled waveguides, and the transfer of single cold atoms in harmonic potentials. Additionally, we make use of the robustness and high efficiency of the adiabatic passage to propose new devices and discuss new implementations in these various fields. To be specific, we experimentally demonstrate the spatial adiabatic passage of light in a system of three evanescent-coupled CMOS-compatible silicon oxide TIR waveguides, which consists in a complete transfer of light intensity between the outermost waveguides of the system. The advantage of using spatial adiabatic passage compared to standard directional couplers is that the light transfer is robust in front of technological fluctuations and does not depend on precise parameter values. Additionally, this is the first spatial adiabatic passage of light device fabricated in CMOS-compatible technology, which allows for massive and low cost integration. Furthermore, we also experimentally show that this system of coupled waveguides behaves as a simultaneously low- and high-pass spectral filter, with features that makes it an alternative to other integrated filters like interferenceñbased and absorbance-based filters. In addition, we address the spatial adiabatic passage of sound waves in systems of two coupled linear defects in sonic crystals. By calculating the band diagrams to analyze the available supermodes of the system and modifying the geometry of the linear defects along the propagation distance appropriately, we design devices working as a multifrequency adiabatic splitter, as a coupler and also as a phase difference analyser. Furthermore, we discuss a novel method to inject, extract and velocity filter neutral atoms in a ring trap via a spatial adiabatic passage process by using two extra waveguides. The proposal is based on the adiabatic following of a transversal eigenstate of the system. Semianalytical calculations are performed, which perfectly match with the results of the numerical integration of the Schrˆdinger equation. We also show that our proposal could be experimentally implemented for realistic state-of-the-art parameters of ultracold atoms in optical dipole potentials. Finally, we study the spatial adiabatic passage of a single cold atom in two-dimensional triple-well potentials, going beyond the well-understood effective one-dimensional systems and studying the possibilities arising from the additional degrees of freedom. On the one hand, a system of three coupled identical harmonic potentials with the traps lying in a triangular configuration is proposed for matter wave interferometry taking profit of a level crossing appearing in the energy spectrum. On the other hand, angular momentum is successfully generated in a similar configuration where the three harmonic traps have different trapping frequencies by simultaneously following two eigenstates of the system.
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Woodbury, Patricia Powell. "Students with autism: A light/sound technology intervention." W&M ScholarWorks, 1996. https://scholarworks.wm.edu/etd/1539618724.

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The purpose of the study was to investigate the effectiveness of light/sound technology to promote sensory integration which facilitates the learning capacity of children with autism by reducing their high state of arousal, increasing time on task and decreasing acting-out behaviors. This research extended the work of A. Jean Ayres and Lorna King who theorized that the autistic individual's brain does not register, modulate or integrate sensations that most people notice; auditory and visual inputs are ignored more than other types of sensory stimuli. This study utilized light/sound technology to stimulate and desensitize these sensory channels to facilitate processing of incoming stimuli. The technology was furnished by Dr. Harold Russell and was programmed with a microchip to control the frequency patterns. Twelve subjects were selected to participate in this eight week study; only five subjects completed. They represented schools in the Tidewater region of Virginia and Illinois. Inattention, Impulsivity, and Hyperactivity were assessed with The Attention Deficit Disorder Evaluation Scale-Home and School Versions. Comparison of the results of these measures and qualitative data were incorporated into case studies. There was improvement noted in social skills, attention and on-task behavior. The results are supportive of research conducted with learning disabled and AH/HD students conducted by Drs. Carter and Russell.
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Hedfors, Per. "Site soundscapes : landscape architecture in the light of sound /." Uppsala : Dept. of Landscape Planning Ultuna, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a407.pdf.

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Hussaini, Muzhgan. "Luminous Land of Phon." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/91402.

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This thesis, Luminous Land of Phon, explores how architectural spaces, even interior spaces, interact with nature along different dimensions. Light and sound are the two very powerful elements of nature and are the focus of this study. Louis Kahn once said: "The sun does not realize how wonderful it is until after a room is made." (Source: https://www.quotetab.com/quotes/by-louis-kahn#GdaYdAIrZ8tmvcyh.97) The question of nature is explored in an urban environment to challenge the tired dualistic division between the human and the natural world. This project transforms the way we think about the urban so that architecture and nature can have great harmony and elevate each other instead of canceling each other. The project is a school of architecture and landscape architecture that promotes fine spaces with desirable qualities of light and sound for the design professionals of the future. The project is sited in the University of the District of Columbia as an expansion of their existing campus and programs.
Master of Architecture
The architecture is a school of Architecture and Landscape architecture consisting of a full scale natural water pool underneath the building, Gallery and shop space under the pool, studio spaces, class rooms, faculty offices, cafeteria, and ceremony halls for the University of the District of Columbia at its Van Ness Campus sited at the Connecticut Ave, NW Washington D.C. The thesis is an exploration of the concept of bringing nature into architecture and a formal study of their harmony with each other, Architecture, structure and construction of the building.
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Csinos, David M. "Light Art, Street Art, and the Art of Preaching: Sound-and-Light Shows as Public Proclamation." Universität Leipzig, 2020. https://ul.qucosa.de/id/qucosa%3A72283.

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This article examines how the phenomenon of sound-and-light shows fulfills the purposes of preaching and, as such, can be perceived as a form of public proclamation. Originating in France but now offered all over the world, these shows use large-scale video projection to display images on the facades of historic buildings, many of which are religious in nature, set to sound effects and music. The author begins by addressing three purposes of preaching that arise within homiletical discourse: testimony of God’s story, empowering transformation, and engendering encounters with God. Drawing from recent qualitative research into spectators’ experiences at sound-and-light shows, the author then examines how three specific shows serve as case studies that demonstrate that, while not sermons, they can indeed fulfill each of the purposes of preaching. As such, these spectacles can be seen as a vibrant form of proclamation amidst contemporary public settings.
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Thompson, Andrew. "Light Sensitive." CSUSB ScholarWorks, 2015. https://scholarworks.lib.csusb.edu/etd/245.

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I am an excremental artist. I do not mean an artist who works with feces or is interested in manure but one whose artwork is expelled through the results of process. As a photographer, I am not as interested in indexing a location, a person or a moment as I am dissolving the structure of photography through the manipulation of photographic materials. I typically photograph landscapes that catch my attention for a myriad of reasons. The commonality between these images is anonymity of place. Hints of location are always present but never accentuated, instead their purpose is akin to a forging slug: raw blank material from which my artwork will be created. My photographic slugs are then entered into various processing systems that I have devised over the years. Common processing techniques that I incorporate include hand and machine stitching, chemically altering photographic paper and the integration of open-source electronics. These and other processes are mixed, matched and blended to form the corpus of my work. The body of my work is not complete without my head, heart and hands. My intellectual interests are constantly feeding the physical processes described above. I have an extended engagement with photography’s rich history along with a critical commitment to philosophy. My intuition is permitted to work in concert with my intellect despite stark contrasts between the two. My intellect looks for structures and speaks in logical thought while my intuition arrives in waves of unarticulated emotions and ‘gut feelings’. The heart’s language is often more difficult to translate than intellectual headband but both are equally valuable in my process. Finally, my hands play a vital role in creating my art. They transcribe the conversation between the head and the heart and physically complete the processes defined prior. My artwork is not conceived and the built into a structure, instead it is a result of the passing through a system. I consume copious amounts of stimuli (intellectually, visually, emotionally) and digest it through my creative process and the result is my artwork.
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Books on the topic "Sound, light and Heat"

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Learning about heat, light, and sound. [Place of publication not identified]: Holt Mcdougal, 2009.

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ill, DiVito Anna, ed. Sound, heat & light: Energy at work. New York: Scholastic Inc., 1992.

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Hoover, Evalyn. Primarily physics: Investigations in sound, light and heat for K-3. Edited by Hillen Judith, Mercier Sheryl, Larimer Howard, Adler Karen, Walsh Mike, Pocock Margo, Huff G. Bradley, and AIMS Education Foundation. Fresno, Calif: AIMS Education Foundation, 1994.

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Hsp. Heat/light/sound, below-level reader grade 1: Harcourt school publishers science. [Place of publication not identified]: Holt Mcdougal, 2004.

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Isaac Asimov. Understanding physics: 3 volumes in 1: Motion, sound, and heat; Light, magnetism, and electricity; The electron,proton, and neutron. New York: Barnes & Noble, 1993.

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VanCleave, Janice Pratt. Janice VanCleave's physics for every kid: 101 easy experiments in motion, heat, light, machines, and sound. New York: Wiley, 1991.

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Company, Macmillan/McGraw-Hill School Publishing, ed. Energy and you: Teacher's anthology with classroom library lessons. New York: Macmillan/McGraw-Hill School Pub. Co., 1995.

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Atwater, Mary. Energy and you. New York: Macmillan/McGraw-Hill School Pub. Co., 1995.

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Atwater, Mary. Energy and you. New York: Macmillan/McGraw-Hill School Pub. Co., 1995.

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Sangster, John Herbert. Natural philosophy: Part I, including statics, hydrostatics, pneumatics, dynamics, hydrodynamics, the general theory of undulations, the science of sound, the mechanical theory of music, etc. : designed for the use of normal and grammar schools, and the higher classes in common schools. Montreal: J. Lovell, 1991.

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Book chapters on the topic "Sound, light and Heat"

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Brenig, Wilhelm. "Zero Sound." In Statistical Theory of Heat, 177–79. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-74685-7_35.

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Isabelle, Aaron D., and Gilbert A. Zinn. "Light & Sound." In STEPS to STEM, 225–60. Rotterdam: SensePublishers, 2017. http://dx.doi.org/10.1007/978-94-6300-791-7_7.

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Isabelle, Aaron D., and Gilbert A. Zinn. "Light & Sound." In Sci-Book, 185–214. Rotterdam: SensePublishers, 2017. http://dx.doi.org/10.1007/978-94-6300-794-8_7.

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Kruppa, Boris, Gernoth Strube, and Christof Gerlach. "Light Scattering." In Heat and Mass Transfer, 99–116. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56443-7_7.

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Westphal, Laurie E. "Waves, Light, and Sound." In Hands-On PHYSICAL SCIENCE GRADES 6-8, 33–62. 2nd ed. New York: Routledge, 2021. http://dx.doi.org/10.4324/9781003235491-5.

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Kuball, Mischa. "res·o·nant light / sound / public." In andererseits - Yearbook of Transatlantic German Studies, 227–38. Bielefeld, Germany: transcript Verlag, 2021. http://dx.doi.org/10.14361/9783839461280-019.

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Kruppa, Boris, Martin Pitschmann, and Johannes Straub. "Dynamic Light Scattering." In Heat and Mass Transfer, 153–72. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56443-7_10.

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Strawser, Bradley Jay. "More Heat Than Light." In Opposing Perspectives on the Drone Debate, 5–18. New York: Palgrave Macmillan US, 2014. http://dx.doi.org/10.1057/9781137432636_2.

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Popa, Mircea, Ioan Sava, Marin Petre, Cătălin Ducu, Sorin Moga, Alexandra-Valerica Nicola, and Constantin-Nicușor Drăghici. "Coupled Fluid Flow and Heat Transfer Analysis of Ageing Heat Furnace." In Light Metals 2019, 279–84. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-05864-7_36.

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Knop, Andre, and Louis A. Pilato. "Heat and Sound Insulation Materials." In Phenolic Resins, 213–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-662-02429-4_13.

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Conference papers on the topic "Sound, light and Heat"

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MacDonald, Kevin F., Jinxiang Li, Tongjun Liu, Jun-Yu Ou, Domitrios Papas, Eric Plum, and Nikolay I. Zheludev. "Metamaterial nanomachines driven by heat, sound, electric and magnetic fields, and light." In Metamaterials, Metadevices, and Metasystems 2021, edited by Nader Engheta, Mikhail A. Noginov, and Nikolay I. Zheludev. SPIE, 2021. http://dx.doi.org/10.1117/12.2594665.

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Anishchenko, Vadim S. "Synchronization of heart rate by sound and light pulses." In Stochastic and chaotic dynamics in the lakes. AIP, 2000. http://dx.doi.org/10.1063/1.1302380.

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Cukurel, Beni, Claudio Selcan, and Judah Shashank. "Development of an Experimental Facility Towards Sound Excitation Effects on Forced Convection Heat Transfer." In ASME 2014 12th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/esda2014-20280.

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In light of the potential of acoustic excitation for heat transfer enhancement, the research effort herein is geared towards a better understanding of the underlying physical mechanisms of aero-thermal laminar and turbulent boundary layer development under the influence of directed sound excitation. An experimental measurement campaign is carried out throughout which the effects of small amplitude periodic flow oscillations on convective heat transfer in straight channels are investigated. A low velocity wind tunnel facility has been designed and built for this purpose. Measurements of convective heat transfer are conducted by means of steady wide band liquid crystal thermometry at several acoustic and aerodynamic parameters. The findings of this investigation indicate that modification of convective heat transfer by directed sound excitations is possible. Dependent on the source frequency, the net effect can be a heat transfer augmentation or a local reduction. Although the acoustically induced changes are small in magnitude, the dependence on the excitation frequency is still quantifiable beyond measurement error.
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Balan, Oana, Alin Moldoveanu, Florica Moldoveanu, Ionut Negoi, and Alex Butean. "COMPARATIVE RESEARCH ON SOUND LOCALIZATION ACCURACY IN THE FREE-FIELD AND VIRTUAL AUDITORY DISPLAYS." In eLSE 2015. Carol I National Defence University Publishing House, 2015. http://dx.doi.org/10.12753/2066-026x-15-079.

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The following paper aims to present a comparative study on the audio localization accuracy (directional judgment, absolute spatial perception and the rate of front-back confusions- situation in which the listener perceives the sound coming from the front as coming from the rear and vice-versa) in both free-field and virtual sound source conditions. Sound localization experiments in the free-field rely on the use of loudspeakers for delivering the auditory information to the listener. On the other hand, virtual auditory displays are based on 3D sounds (resulting from the filtering of a particular sound with the Head Related Transfer Function corresponding to the direction of the sound source in space) that are rendered to the listener through a pair of stereophonic headphones. 3D sounds are used in a wide range of applications, as they can simulate the perception of an external sound source in real-world hearing conditions and generally increase situational awareness. Nonetheless, they can introduce several localization errors (caused primarily by the use of non-individualized Head Related Transfer Functions), such as poor performance in the median plane (for vertical localization) and an increase in the rate of front-back confusions, especially for the directions of 0 degrees (to the front region) and 180 degrees (to the rear). As a result, we intend to include in our research a comprehensive psychophysical evaluation, interpretation and analysis of the accuracy of free-field and headphone-presented stimuli in order to bring to light the audio localization particularities that differentiate audio discrimination performance under the two presented conditions. .
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Fakhry, Mahmoud, and Ascensión Gallardo-Antolín. "Variational Mode Decomposition and a Light CNN-LSTM Model for Classification of Heart Sound Signals." In IEEE EUROCON 2023 - 20th International Conference on Smart Technologies. IEEE, 2023. http://dx.doi.org/10.1109/eurocon56442.2023.10199054.

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Frid, Emma, Michele Orini, Giampaolo Martinelli, and Elaine Chew. "Mapping Inter-Cardiovascular Time-Frequency Coherence to Harmonic Tension in Sonification of Ensemble Interaction Between a Covid-19 Patient and the Medical Team." In ICAD 2021: The 26th International Conference on Auditory Display. icad.org: International Community for Auditory Display, 2021. http://dx.doi.org/10.21785/icad2021.020.

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This paper presents exploratory work on sonic and visual representations of heartbeats of a COVID-19 patient and a medical team. The aim of this work is to sonify heart signals to reflect how a medical team comes together during a COVID-19 treatment, i.e. to highlight other aspects of the COVID-19 pandemic than those usually portrayed through sonification, which often focuses on the number of cases. The proposed framework highlights synergies between sound and heart signals through mapping between time-frequency coherence (TFC) of heart signals and harmonic tension and dissonance in music. Results from a listening experiment suggested that the proposed mapping between TFC and harmonic tension was successful in terms of communicating low versus high coherence between heart signals, with an overall accuracy of 69%, which was significantly higher than chance. In the light of the performed work, we discuss how links between heart- and sound signals can be further explored through sonification to promote understanding of aspects related to cardiovascular health.
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Kontani, Osamu, Shohei Sawada, Ippei Maruyama, Masayuki Takizawa, and Osamu Sato. "Evaluation of Irradiation Effects on Concrete Structure: Gamma-Ray Irradiation Tests on Cement Paste." In ASME 2013 Power Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/power2013-98099.

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In assessing reduction of concrete strength under irradiated conditions, reference levels are introduced: 1×1020 n/cm2 for fast neutrons and 2×1010 rad (2×105 kGy) for gamma-rays. Concrete structures are regarded as sound as long as irradiance levels accumulated during long-term operation are less than the reference levels. Most experimental investigations of irradiation effects on concrete were performed in the 1960’s and 1970’s. However, there is no good explanation of how concrete deteriorates under neutron and gamma-ray irradiation. Hilsdorf put the primal irradiation test data together to investigate effects of irradiance levels on residual strength ratio of concrete [1]. The reference levels were obtained from his paper. However, the test conditions in which the data quoted by Hilsdorf were obtained are very different from the irradiation and heat conditions usually found in a Light Water Reactor (LWR). This paper summarizes the interactions between radiation and concrete components and presents the results of gamma-ray irradiation tests on cement paste in order to provide a better understanding of the deterioration mechanisms of concrete under irradiation and heat conditions in LWRs.
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Ito, Teruaki, Eiichi Honda, Tetsuo Ichikawa, Yosuke Kinouchi, Masatake Akutagawa, Takahiro Emoto, and Midori Yoshida. "1/F Noise-Fluctuated Cozy Lighting System for Concentration Improvement." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34335.

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The power spectrum of human heart rate measured over 24 h exhibits “power-law” 1/f alpha-type spectral behavior with alpha approximately 1. This may be one of the reasons why 1/f noise help people make relaxed, or feel comfortable. As a result, people feel relaxed by looking at a candle light, listening to the sound of ocean wave, or feeling the breezing wind because all of these natural phenomenon is based on the 1/f noise fluctuation. Considering this feature, a technical approach of 1/f noise fluctuation has been applied to various industry products, ranging from light illumination, fan control, temperature control, etc. to implement cozy products. For example, one typical example would be a lighting product mimicking a candle light, which illuminate just like a true candle. A candle light provides a cozy atmosphere to relax our mind by forgetting severe business issues, which is because of the nature of 1/f noise fluctuation as mentioned above. However, it is not suitable to do something important by concentration under a candle light because of the changes of brightness and the blinking nature of candles. This study designs and develops 1/f noise-fluctuated cozy lighting system with stable brightness and chromaticity without blinking so that people unconsciously feel relaxed under this lighting system without noticing the 1/f noise fluctuation and concentrate on work or operation. In order to implement this lighting system, combination of two types of white LED lights were used. White LED lights are manufactured by the combination of different colors having different spectrum. For example, Blue with YAG fluorophore, Blue with RG fluorophore, UV with RGB fluorophore, etc. provide all white LED lights. This means that it is possible to make two different types of LED lights which have the same white color with different combination of spectrums. If the two white colors of the two LED are the same, nobody cannot notice when the two LEDs are switching over each other, periodically or randomly. People only think that the white color is constantly provided by the white LED light. However, if the switching is based on 1/f noise fluctuation, some positive effect can be expected under this lighting system. This paper shows the overview of the idea of 1/f noise-fluctuated cozy lighting system, and then presents the two basic challenges of the idea towards concentration improvement; Combination of two types of white LED and 1/f noise-fluctuated switching system. These two challenges are presented using a prototype lighting systems developed in this study.
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Dickson, T. L., and M. T. EricksonKirk. "Risk-Based Fracture Evaluation of Reactor Vessels Subjected to Cool-Down Transients Associated With Shutdown: An Examination of the Effects of Different Modeling Approaches on Estimated Failure Probabilities." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93813.

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The current regulations, as set forth by the United States Nuclear Regulatory Commission (USNRC), to insure that light-water nuclear reactor pressure vessels (RPVs) maintain their structural integrity when subjected to planned startup (heat-up) and shutdown (cool-down) transients are specified in Appendix G to 10 CFR Part 50, which incorporates by reference Appendix G to Section XI of the ASME Code. In 1999, the USNRC initiated the interdisciplinary Pressurized Thermal Shock (PTS) Re-evaluation Project to determine if a technical basis could be established to support a relaxation in the current PTS regulations. The PTS re-evaluation project included the development and application of an updated risk-based computational methodology that incorporates several advancements applicable to modeling the physics of vessel fracture due to thermal hydraulic transients imposed on the RPV inner surface. The results of the PTS re-evaluation project demonstrated that there is a sound technical basis to support a relaxation of the current PTS regulations. The results of the PTS re-evaluation are currently under review by the USNRC. Based on the promising results of the PTS re-evaluation, the USNRC has recently applied the updated computational methodology to fracture evaluations of RPVs subjected to planned cool-down transients, associated with reactor shutdown, derived in accordance with ASME Section XI – Appendix G. The objective of these analyses is to determine if a sound technical basis can be established to provide a relaxation to the current regulations for the derivation of bounding cool-down transients as specified in Appendix G to Section XI of the ASME Code. This paper provides a brief overview of these analyses, results, and the implications of the results.
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Roberts, Charles. "Sound-Light Giblet." In MM '14: 2014 ACM Multimedia Conference. New York, NY, USA: ACM, 2014. http://dx.doi.org/10.1145/2647868.2655618.

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Reports on the topic "Sound, light and Heat"

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Heremans, Joseph. Magnetic Fields Can Control Heat and Sound. Fort Belvoir, VA: Defense Technical Information Center, March 2015. http://dx.doi.org/10.21236/ada614068.

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Rutledge, Annamarie, and Leslie (Leslie Alyson) Brandt. Puget Sound Region. Houghton, MI: USDA Northern Forests Climate, June 2023. http://dx.doi.org/10.32747/2023.8054016.ch.

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As the climate changes over the 21st century, the Puget Sound region's urban forest will be impacted by changing temperatures and precipitation regimes, leading to implications for the people who depend on its ecosystem services. This report summarizes climate change projections for the Puget Sound region and provides an assessment of tree species vulnerability in the region. We used projected shifts in plant hardiness and heat zones to understand how tree species of interest are projected to tolerate future conditions. We also assessed the adaptability of planted trees to stressors such as drought, flooding, wind damage, and air pollution, as well as environmental conditions such as shade, soils, and restricted rooting using "modification factors"--an adaptability scoring system for planted environments. The region has been warming at a rate of about 0.4°F per decade since 1960, and the average temperature is projected to increase by 5.0°F to 8.6°F by the end of the century compared with the 1971-2000 historical average. Precipitation in the region has been increasing by over 0.5 inches per decade since 1960 and is projected to increase by 2.1 to 3.2 inches by the end of the century compared with the 1971-2000 historical average. By the end of the century, the Puget Sound region is projected to shift from hardiness zones 8-9 to zone 9 completely, and from heat zone 2 to heat zone 3 (RCP4.5) or 6 (RCP8.5), depending on the climate change scenario. Of the evaluated tree species, 27% were rated as having high adaptability, 59% were rated as having medium adaptability, and 14% were rated as having low adaptability. Given that the hardiness zone range is projected to remain within the historical (1980-2009) range, we considered both heat zones alone as well as heat and hardiness zones. Considering heat zones only, most of the assessed tree species fell into the low-moderate vulnerability category (57%), followed by low vulnerability (26%) and moderate vulnerability (17%) under both low and high climate change scenarios. The vulnerability ratings remain the same between low and high climate change scenarios because all assessed tree species are considered suitable under both sets (low and high) of heat zone projections through the end of the century. Considering both heat and hardiness zones, most of the assessed tree species fell into the moderate-high vulnerability category (34%), followed by low-moderate (25%), moderate (18%), low (14%), and high (9%). The vulnerability ratings are the same between low and high climate change scenarios because the projected hardiness zone is the same under both scenarios through the end of the century. The vulnerability of individual species is not the only factor to consider when making urban forestry decisions, and this assessment also contains species diversity and human health as additional factors. These projected changes in climate and their associated impacts and vulnerabilities will have important implications for urban forest management, including the planting and maintenance of street and park trees, equity and environmental justice efforts, and long-term planning from partnerships to green infrastructure.
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Adhvaryu, Achyuta, Namrata Kala, and Anant Nyshadham. The Light and the Heat: Productivity Co-benefits of Energy-saving Technology. Cambridge, MA: National Bureau of Economic Research, February 2018. http://dx.doi.org/10.3386/w24314.

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Im, Piljae, Heather Buckberry, Anthony C. Gehl, and Kris Jorgenson. Final Report Demonstration of Micro-Combined Heat and Power for Light Commercial Applications. Office of Scientific and Technical Information (OSTI), September 2019. http://dx.doi.org/10.2172/1569378.

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Robert D. Pehlke and John T. Berry. Investigation of Heat Transfer at the Mold/Metal Interface in Permanent Mold Casting of Light Alloys. Office of Scientific and Technical Information (OSTI), December 2005. http://dx.doi.org/10.2172/861448.

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Salas Cano, Conrado. Comparison of Heat Output and Microchemical Changes of Palladium Cathodes under Electrolysis in Acidified Light and Heavy Water. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.6500.

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Lundin, C. D., and S. Mohammed. Effect of welding conditions on transformation and properties of heat-affected zones in LWR (light-water reactor) vessel steels. Office of Scientific and Technical Information (OSTI), November 1990. http://dx.doi.org/10.2172/6337784.

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Hacke, P., K. Terwilliger, and S. Kurtz. In-Situ Measurement of Crystalline Silicon Modules Undergoing Potential-Induced Degradation in Damp Heat Stress Testing for Estimation of Low-Light Power Performance. Office of Scientific and Technical Information (OSTI), August 2013. http://dx.doi.org/10.2172/1090973.

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Johra, Hicham. Performance overview of caloric heat pumps: magnetocaloric, elastocaloric, electrocaloric and barocaloric systems. Department of the Built Environment, Aalborg University, January 2022. http://dx.doi.org/10.54337/aau467469997.

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Heat pumps are an excellent solution to supply heating and cooling for indoor space conditioning and domestic hot water production. Conventional heat pumps are typically electrically driven and operate with a vapour-compression thermodynamic cycle of refrigerant fluid to transfer heat from a cold source to a warmer sink. This mature technology is cost-effective and achieves appreciable coefficients of performance (COP). The heat pump market demand is driven up by the urge to improve the energy efficiency of building heating systems coupled with the increase of global cooling needs for air-conditioning. Unfortunately, the refrigerants used in current conventional heat pumps can have a large greenhouse or ozone-depletion effect. Alternative gaseous refrigerants have been identified but they present some issues regarding toxicity, flammability, explosivity, low energy efficiency or high cost. However, several non-vapour-compression heat pump technologies have been invented and could be promising alternatives to conventional systems, with potential for higher COP and without the aforementioned refrigerant drawbacks. Among those, the systems based on the so-called “caloric effects” of solid-state refrigerants are gaining large attention. These caloric effects are characterized by a phase transition varying entropy in the material, resulting in a large adiabatic temperature change. This phase transition is induced by a variation of a specific external field applied to the solid refrigerant. Therefore, the magnetocaloric, elastocaloric, electrocaloric and barocaloric effects are adiabatic temperature changes in specific materials when varying the magnetic field, uniaxial mechanical stress, electrical field or hydrostatic pressure, respectively. Heat pump cycle can be built from these caloric effects and several heating/cooling prototypes were developed and tested over the last few decades. Although not a mature technology yet, some of these caloric systems are well suited to become new efficient and sustainable solutions for indoor space conditioning and domestic hot water production. This technical report (and the paper to which this report is supplementary materials) aims to raise awareness in the building community about these innovative caloric systems. It sheds some light on the recent progress in that field and compares the performance of caloric systems with that of conventional vapour-compression heat pumps for building applications.
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Halevy, Orna, Zipora Yablonka-Reuveni, and Israel Rozenboim. Enhancement of meat production by monochromatic light stimuli during embryogenesis: effect on muscle development and post-hatch growth. United States Department of Agriculture, June 2004. http://dx.doi.org/10.32747/2004.7586471.bard.

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The original objectives were: A. To determine the critical embryonic age for monochromatic green light stimulation. B. To follow the ontogeny of embryos exposed to monochromatic green light vs. darkness. C. To investigate the effects of monochromatic green light illumination on myoblast and fiber development in the embryo. D. To investigate the stimulatory effect of light combinations during embryo and post-hatch periods on growth and meat production. E. To evaluate the direct effect of monochromatic green light on cultured embryonic and adult myoblasts. The overall purpose of this study was to investigate the effect of monochromatic light stimuli during incubation period of broilers on muscle development and satellite cell myogenesis. Based on previous studies (Halevy et al., 1998; Rozenboim et al., 1999) that demonstrated the positive effects of green-light illumination on body and muscle growth, we hypothesized that monochromatic light illumination accelerates embryo and muscle development and subsequently enhances muscle growth and meat production. Thus, further decreases management costs. Under the cooperation of the laboratories at the Hebrew University of Jerusalem and University of Washington we have conducted the following: 1. We have established the critical stage for exposure to green monochromatic light which has the maximal effect on body and muscle growth (Objective A). We report that embryonic day 5 is optimal for starting illumination. The optimal regime of lighting that will eliminate possible heat effects was evaluated by monitoring egg core temperature at various illumination periods. We found that intermitted lighting (15 min. on; 15 min. off) is optimal to avoid heat effects. 2. We have evaluated in detail gross changes in embryo development profile associated to green light stimuli vs. darkness. In addition, we have investigated the stimulatory effect of light combinations during embryo and post-hatch periods on body and muscle growth (Objective B,D). 3. We have studied the expression profile of muscle regulatory proteins during chicken muscle cell differentiation in cultures using newly developed antibodies. This study paved the way for analyzing the expression of these proteins in our photo stimulation experiments (Objective C). 4. We have studied the pattern ofPax7 expression during myogenesis in the posthatch chicken. Experimental chick pectoralis muscles as well adult myoblast cultures were used in this study and the results led us to propose a novel model for satellite cell differentiation and renewal. 5. The effects of monochromatic green light illumination during embryogenesis have been studied. These studies focused on fetal myoblast and satellite cell proliferation and differentiation at pre- and posthatch periods and on the effects on the expression of muscle regulatory proteins which are involved in these processes. In addition, we have analyzed the effect of photo stimulation in the embryo on myofiber development at early posthatch (Objective C). 6. In follow the reviewers' comments we have not conducted Objective E. The information gathered from these studies is of utmost importance both, for understanding the molecular basis of muscle development in the posthatch chicks and for applied approach for future broiler management. Therefore, the information could be beneficial to agriculture in the short term on the one hand and to future studies on chick muscle development in the embryo and posthatch on the other hand.
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