Time in physics

Results: 997



#Item
721General relativity / Cosmology / Cosmological constant / Hermann Weyl / Mass / Universe / Spacetime / Metric expansion of space / Dirac large numbers hypothesis / Physics / Physical cosmology / Anti de Sitter space

Hermann Weyl and Large Numbers in Relativistic Cosmology Gennady Gorelik 1. Introduction Since time immemorial philosophers, poets, and scientists have pondered

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Source URL: people.bu.edu

Language: English - Date: 2006-03-25 21:51:25
722Physics

NASA Quest: Highlighting People and Professions related to NASA and its Exploration Mission Professor of Astronomy How I first became interested in this profession When I was a little girl, I would spend a lot of time w

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Source URL: quest.arc.nasa.gov

Language: English - Date: 2012-02-09 15:02:40
    723Astronomers / The Fabric of the Cosmos / Cosmos: A Personal Voyage / Galileo Galilei / Brian Greene / The Universe / Cosmos / Physics / Science / Astronomy

    Explore the Universe By Scott D. Strawn Since the dawn of time, humans have looked at the stars and planets crossing the night sky and dreamed of traveling through space to visit them. In the present day, we have the kno

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    Source URL: www.ahjlibrary.org

    Language: English - Date: 2014-06-16 14:11:28
    724Radiobiology / Nuclear physics / Background radiation / Ionizing radiation / Radiation therapy / Sievert / X-ray / Radiation / Background radiation equivalent time / Medicine / Radioactivity / Physics

    Radiation Doses1 in Perspective Low • 500 mSv: Short-term blood cell changes • 100 mSv: Increased cancer risk

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    Source URL: hps.org

    Language: English - Date: 2013-05-22 09:20:42
    725Fluorescence / Scattering / Observational astronomy / Fluorescence spectroscopy / Emission spectrum / Physics / Chemistry / Spectroscopy

    The Collection Efficiency of NH3(g) in a Real Time Fluorometric Analyzer

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    Source URL: gcep.host.ualr.edu

    Language: English - Date: 2007-08-01 17:38:50
    726Nuclear medicine / UC Davis Medical Center / Molecular imaging / Radiology / UC Davis School of Medicine / University of Texas Health Science Center Department of Radiology / Medicine / Medical physics / Medical imaging

    Academic Scientist in Imaging The University of California, Davis, School of Medicine, Department of Radiology is actively recruiting for a full-time Academic Scientist in Imaging to complement our program in Molecular I

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    Source URL: scitation.aip.org

    Language: English - Date: 2013-08-23 15:51:58
    727Radiobiology / Wireless / Medical physics / Environmental health / Wi-Fi / Base station / Wireless network / Ionizing radiation / International Commission on Non-Ionizing Radiation Protection / Technology / Medicine / Health

    Position Statement on Wi-Fi Radiation Concerns Members of the Buffalo State College community may find themselves spending extensive amounts of time in buildings in which wireless networks (Wi-Fi) have been established.

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    Source URL: www.buffalostate.edu

    Language: English - Date: 2012-06-21 13:31:22
    728Tsunami / Warning systems / Earthquakes in Japan / Earthquake Early Warning / Public safety / Earthquake warning system / Tsunami warning system / Earthquake / Richter magnitude scale / Seismology / Mechanics / Physics

    S E I S M O LO GY Earthquake detection systems can sound the alarm in the moments before a big tremor strikes—time enough to save lives By Richard Allen

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    Source URL: seismo.berkeley.edu

    Language: English - Date: 2011-03-24 04:49:34
    729Global variable / VMEbus / Parallel computing / Lock / Real-time computing / Computing / Technology / Self-reconfiguring modular robot / Orchestra Control Engine / Computer buses / Experimental particle physics / Physics

    in Proc. of 1992 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS ‘92), Raleigh, NC, pp[removed], July 7-10, 1992 Integration of Real-Time Software Modules for Reconfigurable Sensor-Based Contr

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    Source URL: www-robotics.jpl.nasa.gov

    Language: English - Date: 2013-03-28 13:19:45
    730Nuclear physics / Health / Sievert / Ionizing radiation / Effective dose / Dose / Absorbed dose / Radiation therapy / Orders of magnitude / Medicine / Radiobiology / Radioactivity

    Target for Radiation Dose Control and its Methods ①For workers engaged in decontamination work as paid, full-time positions, the total combined doses of (A) and (B) should 1. be controlled to the extent that does not e

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    Source URL: www.mhlw.go.jp

    Language: English - Date: 2013-12-08 20:06:28
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