Energy transmitted from the sun in the form of electromagnetic radiation.

The chemical reactions involved in the production and utilization of various forms of energy in cells.

Total number of calories taken in daily whether ingested or by parenteral routes.

The transfer of energy of a given form among different scales of motion. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed). It includes the transfer of kinetic energy and the transfer of chemical energy. The transfer of chemical energy from one molecule to another depends on proximity of molecules so it is often used as in techniques to measure distance such as the use of FORSTER RESONANCE ENERGY TRANSFER.

Units that convert some other form of energy into electrical energy.

Devices that control the supply of electric current for running electrical equipment.

The exertion of a strong influence or control over others in a variety of settings--administrative, social, academic, etc.