Proper acceleration — [Edwin F. Taylor John Archibald Wheeler (1966 1st ed. only) Spacetime Physics (W.H. Freeman, San Francisco) ISBN 0 7167 0336 X] is the physical acceleration experienced by an object. It equals the rate of change of proper velocity with respect to … Wikipedia
Energy policy — is the manner in which a given entity (often governmental) has decided to address issues of energy development including energy production, distribution and consumption. The attributes of energy policy may include legislation, international… … Wikipedia
Energy security — is a term for an association between national security and the availability of natural resources for energy consumption. Access to cheap energy has become essential to the functioning of modern economies. However, the uneven distribution of… … Wikipedia
Proper velocity — η.In flat spacetime, proper velocity is the ratio between distance traveled relative to a reference map frame (used to define simultaneity) and proper time τ elapsed on the clocks of the traveling object. It equals the object s momentum p divided … Wikipedia
Proper Education — Infobox Single Name = Proper Education Artist = Eric Prydz vs. Pink Floyd Released = January 5 2007 Format = CD single DVD single Vinyl Digital download Recorded = Genre = Dance Electro house Length = Label = Ministry of Sound Data Records Ultra… … Wikipedia
energy conversion — ▪ technology Introduction the transformation of energy from forms provided by nature to forms that can be used by humans. Over the centuries a wide array of devices and systems has been developed for this purpose. Some of these energy … Universalium
Energy carrier — An energy carrier is a substance or phenomenon that can be used to produce mechanical work or heat or to operate chemical or physical processes (ISO 13600).It is any system or substance that contains energy for conversion as usable energy later… … Wikipedia
Efficient energy use — Energy efficiency redirects here. For energy efficiency as a ratio in physics, see Energy conversion efficiency. Efficient energy use, sometimes simply called energy efficiency, is using less energy to provide the same level of energy service. An … Wikipedia
The Dark Energy Survey — DES logo The Dark Energy Survey (DES) is a survey that aims to probe the dynamics of the expansion of the universe and the growth of large scale structure. The collaboration is composed of research institutes and universities from United… … Wikipedia
Dark energy — Not to be confused with dark matter, dark fluid, or dark flow. Physical cosmology … Wikipedia
City of Oakland Energy and Climate Action Plan — The City of Oakland Energy and Climate Action Plan (ECAP) in Oakland, California was developed to tackle the major topics of climate change and energy consumption as an environmental policy. The purpose of the ECAP is to identify and prioritize… … Wikipedia