energy, conservation of

Principle of physics according to which the energy of interacting bodies or particles in a closed system remains constant, though it may take different forms (e.g., kinetic energy, potential energy, thermal energy, energy in an electric current, or energy stored in an electric field, in a magnetic field, or in chemical bonds [see bonding]). With the advent of relativity physics in 1905, mass was recognized as equivalent to energy. When accounting for a system of high-speed particles whose mass increases as a consequence of their speed, the laws of conservation of energy and conservation of mass become one conservation law. See also Hermann von Helmholtz.

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In PSDP for 2009-10, the government will be initiating just three new schemes with one, the Media Advertising Campaign on Energy, Conservation and Institutional Strengthening, Capacity Building of ENERCON.

Rs 2253 million allocated for Environment Division by Balochistan Times (Baluchistan Province, Pakistan)

In PSDP for 2009 10, the government will be initiating just three new schemes with one, the Media Advertising Campaign on Energy, Conservation and Institutional Strengthening, Capacity Building of ENERCON.