Peak oil — A logistic distribution shaped production curve, as originally suggested by M. King Hubbert in 1956 … Wikipedia
Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge … Wikipedia
Eddy current — This article is about the electrical phenomenon. For the Ted McKeever comic, see Eddy Current (comics). Electromagnetism … Wikipedia
Mitigation of peak oil — The standard Hubbert curve, plotting crude oil production of an oil well or oil field over time … Wikipedia
Energy density — For energy density in the sense of energy per unit mass, see specific energy. For energy density of foods, see specific energy. Energy density is a term used for the amount of energy stored in a given system or region of space per unit volume.… … Wikipedia
High Peak Borough Council — Infobox UK district name = High Peak Borough Council status = Non metropolitan district; Borough(1974) region = East Midlands admincounty = Derbyshire area = Ranked 92nd 540.25 km² adminhq = Chapel en le Frith onscode = 17UH population = Ranked… … Wikipedia
High Peak — Infobox UK district name = Borough of High Peak status = Non metropolitan district; Borough(1974) region = East Midlands admincounty = Derbyshire area = Ranked 92nd 540.25 km² adminhq = Chapel en le Frith onscode = 17UH population = Ranked… … Wikipedia
Si/SiGe resonant interband tunnel diode — A Si/SiGe resonant interband tunnel diode (RITD) is a type of resonant interband tunnel diodeswhich is based on Si/SiGe materials.All types of tunnel diodes, including Si/SiGe resonant interband tunnel diodes,make use of the quantum mechanical… … Wikipedia
Multijunction photovoltaic cell — Multi junction solar cells or tandem cells are solar cells containing several p n junctions. Each junction is tuned to a different wavelength of light, reducing one of the largest inherent sources of losses, and thereby increasing efficiency.… … Wikipedia
Resonant interband tunnel diode — Resonant interband tunnel diodes (RITDs) combine the structures and behaviors ofboth intraband resonant tunnel diodes (RTDs) and conventional interband tunnel diodes,in which electronic transitions occur between the energy levels in the… … Wikipedia