1 This wide-field view of the sky around the bright star Alpha Centauri was created from photographic images forming part of the Digitized Sky Survey 2. The star appears so big just because of the scattering of light by the telescope's optics as well as in the photographic emulsion.
Electronics is the science of controlling electrical energy electrically, in which the electrons have a fundamental role. Electronics deals with electrical circuits that involve active electrical components such as vacuum tubes, transistors, diodes, integrated circuits, associated passive electrical components, and interconnection technologies.
IEEE: Containing, producing , arising from, actuated by or carrying electricity. cells connected together electrically. In common usage, the term âbatteryâ is also applied to a single cell, such as a household battery. 2. A system comprised of identical electrochemical cells. - where liquid energy1. Energy is the potential of a physical system to perform work.