An electric light, lamp, or light bulb is an electrical component that produces light. It is the most common form of artificial lighting. Lamps usually...

beaches, Noordwijk is also known for its bulb flower fields. It is located in an area called the "Dune and Bulb Region" (Duin- en Bollenstreek). Noordwijk...

contrast between dimmer stars and the background. For this reason, many astronomers usually avoid observing sessions around a full moon. Moonlight onto Earth's...

thermometer has two important elements: (1) a temperature sensor (e.g. the bulb of a mercury-in-glass thermometer or the pyrometric sensor in an infrared...

they must project the reflected light, opaque projectors require brighter bulbs and larger lenses than overhead projectors. Care must be taken that the...

speeds for a star trail range from 15 minutes to several hours, requiring a "Bulb" setting on the camera to open the shutter for a period longer than usual...

William Pile, shipbuilder Sir Joseph Swan, inventor of the electric light bulb Harry Watts, shipyard worker and multiple life-saver Robert Appleby Bartram...

achieved by means of a constriction in the neck close to the bulb. As the temperature of the bulb rises, the liquid expands up the tube through the constriction...

incandescent light bulb has a spectrum overlapping the black body spectra of the sun and the earth. Some of the photons emitted by a tungsten light bulb filament...

shorter, bulbous end of the tube containing the reservoir is called the bulb and the longer, narrower end with the bore is called the stem. Etched into...