Scintillators Antineutrinos were first detected in 1956 near a nuclear reactor. Reines and Cowan used two targets containing a solution of cadmium chloride in water. Two scintillation detectors were placed next to the cadmium targets. Antineutrinos with an energy above the threshold of 1.8 MeV caused charged current interactions with the protons in the water, [...]
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Renewable heat goes hand in hand with energy efficiency. Indeed renewable heating projects depend heavily for their success on energy efficiency; in the case of solar heating to cut reliance on the requirement supplementary heating, in the case of wood fuel heating to cut the cost of wood purchased and volume stored, and in the [...]
(For a more complete discussion of Emergy Accounting methods see [http://eu.wiley.com/WileyCDA/WileyTitle/productCd-0471114421.html Environmental Accounting: Emegy and environmental decision making, by H.T. Odum]) Emergy accounting uses the thermodynamic basis of all forms of energy, resources and human services, and converts them into equivalents of one form of energy, usually solar emergy. To evaluate a system, first a [...]
The Atmospheric Laboratory for Applications and Sciences – 3 (ATLAS-03) was the primary payload aboard STS-66. It continued the series of Spacelab flights to study the energy of the sun and how it affects the Earth’s climate and environment. The ATLAS-03 mission made the first detailed measurements from the Shuttle of the Northern Hemisphere’s middle [...]
Adapted from the Wikipedia article 2000s in science and technology, under the G. N. U. Free Documentation License. Please also see http://en.wikipedia.org/wiki
A second Auron first appears in ”Legacy of Superman #1” (1993). After Superman’s death, scientist Paul Westfield steals Superman’s body for experimentation. After discovering he also needs a disc containing Superman’s genetic information, he creates a clone of Jim Harper (the Guardian) which he dubs Auron. Auron, who comes equipped with enhanced solar powered indestructible [...]
Retail Retail operations in the low-carbon economy will have several new features. One will be high efficiency lighting such as compact fluorescent, halogen, and eventually LED light sources. Many retail stores will also feature roof-top solar panel arrays. These make sense because solar panels produce the most energy during the daytime and during the summer. [...]
The comet is on an orbit which puts it close to the Earth and the Moon. Upon its 1992 rediscovery, the comet’s date of perihelion passage was off from the then-current prediction by 17 days. It was then noticed that, if its next perihelion passage (August 14, 2126) was also off by another 15 days, [...]
The EPCARD program virtually simulates a flight (with time resolution of 1 min) in the “quasi-real” radiation field of cosmic secondary particles. It is based on the energy spectra of neutrons, protons, photons, electrons, positrons, muons, and pions, calculated by means of the FLUKA Monte Carlo code at various altitudes in the Earth’s atmosphere down [...]
The Development in Action programme achieves its aims through: *The DiA placement scheme, which provides opportunities for volunteers to learn about, and participate in the work of its various partner organisations in India. Activities include teaching, field work/research, child-care, health education and administrative work. In every placement, the aim is for the volunteer to learn [...]
In 1976, it was proposed to use a thallium-rich mineral, lorandite, for detection of solar neutrino. The method relies on the 205Tl(νe,e–)205 reaction which has a relatively low threshold energy of 52 keV and thus relatively high efficiency. This reaction yields 205Pb isotope which has a long lifetime of 15.4 million years; it is induced [...]
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