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  2. Category:Forms of energy - Wikipedia

    en.wikipedia.org/wiki/Category:Forms_of_energy

    Solar energy (6 C, 60 P) Pages in category "Forms of energy" The following 14 pages are in this category, out of 14 total. This list may not reflect recent changes. A.

  3. Sources of electrical energy - Wikipedia

    en.wikipedia.org/wiki/Sources_of_electrical_energy

    Light: Energy produced by light being absorbed by photoelectric cells, or solar power. Chemical: Energy produced by chemical reaction in a voltaic cell, such as an electric battery. Pressure: Energy produced by compressing or decompressing specific crystals. Magnetism: Energy produced in a conductor that cuts or is cut by magnetic lines of ...

  4. Energy - Wikipedia

    en.wikipedia.org/wiki/Energy

    Energy (from Ancient Greek ἐνέργεια (enérgeia) 'activity') is the quantitative property that is transferred to a body or to a physical system, recognizable in the performance of work and in the form of heat and light.

  5. Outline of energy - Wikipedia

    en.wikipedia.org/wiki/Outline_of_energy

    Energy transformation, relating to energy's changes from one form to another. Energy (signal processing), the inner product of a signal in the time domain; Energy density spectrum, relating to the distribution of signal energy over frequencies. Potential energy, the form of energy that is due to position of an object; Kinetic energy, the form ...

  6. List of energy resources - Wikipedia

    en.wikipedia.org/wiki/List_of_energy_resources

    Nuclear energyenergy in the nucleus or core of atoms [1] Nuclear fusion; Nuclear reactor; Nuclear reprocessing; Oil drilling; Oil platform; Oil refinery; Oil shale; Oil well; Osmotic power – or salinity gradient power – is the energy available from the difference in the salt concentration between seawater and river water. OTEC ...

  7. List of states of matter - Wikipedia

    en.wikipedia.org/wiki/List_of_states_of_matter

    This is a low-energy phase that can only be formed in laboratory conditions and at very low temperatures. It must be close to absolute zero. Satyendra Nath Bose and Albert Einstein predicted the existence of such a state in the 1920s, but it was not observed until 1995 by Eric Cornell and Carl Wieman.

  8. Orders of magnitude (energy) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(energy)

    4.2×10 6 J: Energy released by explosion of 1 kilogram of TNT [59] [99] 6.1×10 6 J Kinetic energy of the 4 kg tungsten APFSDS penetrator after being fired from a 120mm KE-W A1 cartridge with a nominal muzzle velocity of 1740 m/s. [113] [114] 8.4×10 6 J: Recommended food energy intake per day for a moderately active woman (2000 food calories ...

  9. World energy supply and consumption - Wikipedia

    en.wikipedia.org/wiki/World_energy_supply_and...

    Energy supplies may exist in various forms such as raw resources or more processed and refined forms of energy. The raw energy resources include for example coal, unprocessed oil & gas, uranium. In comparison, the refined forms of energy include for example refined oil that becomes fuel and electricity. Energy resources may be used in various ...