the incandescent light
41light — That portion of electromagnetic radiation (between 390 and 770 nm) to which the retina is sensitive (wavelength range of 380–780 nm). SEE ALSO: lamp. [A.S. leoht] cold l. 1. SYN: bioluminescence (1). 2. fluorescent l. as opposed to incandescent l …
42Energy policy of the United States — The energy policy of the United States is determined by federal, state and local public entities in the United States, which address issues of energy production, distribution, and consumption, such as building codes and gas mileage standards.… …
43light globe — /ˈlaɪt gloʊb/ (say luyt glohb) noun a common type of incandescent lamp in which light is produced by the passage of electricity through a filament of material which impedes its flow, thus generating heat and light, the filament being set in a… …
44Culture of the United Kingdom — The Proms is an eight week summer season of daily orchestral classical music concerts, on the last night with some traditional patriotic music of the United Kingdom.[1][2] …
45Dibner Institute for the History of Science and Technology — The Dibner Institute for the History of Science and Technology (1992–2006) was a research institute established at MIT, and housed in a renovated building (E56) on campus at 38 Memorial Drive, overlooking the Charles River.[1][2][3] At the heart… …
46Incandescent lamp — A glass enclosure in which light is produced when a tungsten filament is electrically heated so that it glows. Much of the energy is converted into heat; therefore, this class of lamp is a relatively inefficient source of light. Included in… …
47incandescent lamp — /ɪnkænˌdɛsənt ˈlæmp/ (say inkan.desuhnt lamp) noun a lamp whose light is due to the glowing of some material, as the common electric light globe which contains a filament rendered luminous by the passage of current through it …
48Incandescent — VP A light that passes electricity through a filament that heats up inside the vacuum of a bulb to provide light …
49Banning of incandescent lightbulbs — Due to the higher energy usage of incandescent light bulbs in comparison to more energy efficient alternatives, such as compact fluorescent lamps and LED lamps, some governments have passed laws and regulations that have started to phase out… …
50Grow light — A grow light is an electric lamp designed to promote plant growth by emitting an electromagnetic spectrum appropriate for photosynthesis. The emitted light spectrum is similar to that from the sun, allowing indoor growth with outdoor conditions.… …
