Einstein's formula:  E = m c 2 {\displaystyle E=mc^{2}} . In a reference frame where the system is moving, its relativistic energy and relativistic mass...

and in the form of heat and light. Energy is a conserved quantity—the law of conservation of energy states that energy can be converted in form, but not...

LG&E and KU Energy is a subsidiary of PPL Corporation, based in Louisville, Kentucky. It is composed of the following companies: Louisville Gas & Electric...

E.ON UK is a British energy company and one of the largest suppliers of energy in the UK, following its acquisition of Npower. It is a subsidiary of E...

LUMA Energy is a private power company that is responsible for power distribution and power transmission in the Commonwealth of Puerto Rico. They are also...

Total energy is the sum of rest energy E 0 = m 0 c 2 {\displaystyle E_{0}=m_{0}{\textrm {c}}^{2}} and relativistic kinetic energy: E K = E − E 0 = ( p...

radiant energy is the energy of electromagnetic and gravitational radiation. As energy, its SI unit is the joule (J). The quantity of radiant energy may be...

won the 2013 National Cleantech Open Energy Generation competition and awards at the 2014 ARPA-E Future Energy Startup competition, were members of the...

positive ion, or molecule. The first ionization energy is quantitatively expressed as X(g) + energy ⟶ X+(g) + e− where X is any atom or molecule, X+ is the...

Waste-to-energy (WtE) or energy-from-waste (EfW) is the process of generating energy in the form of electricity and/or heat from the primary treatment...