Contributors in Science
Science > General science
lie detector
Science; General science
A device intended to detect an involuntary physiological response that all persons exhibit when lying but never when telling the truth. Because there is no such specific lie ...
voltage regulator
Science; General science
A device or circuit that maintains a load voltage nearly constant over a range of variations of input voltage and load current. Voltage regulators are used wherever the ...
kiln
Science; General science
A device or enclosure to provide thermal processing of an article or substance in a controlled temperature environment or atmosphere, often by direct firing, but occasionally by ...
star tracker
Science; General science
A device that automatically measures the angular separation of stellar observations with respect to a reference platform. It is also referred to as an as-trotracker.
modulator
Science; General science
A device that combines an electrical information signal with a periodic electrical carrier signal for efficient transmission. The modification of a usually sinusoidal electrical ...
airspeed indicator
Science; General science
A device that computes and displays speed of an aircraft relative to the air mass in which the aircraft is flying. Three common types are the indicated airspeed meter, true ...
waveguide
Science; General science
A device that constrains or guides the propagation of electromagnetic radiation along a path defined by the physical construction of the guide. Electromagnetic waves may ...
Sub-categories
- Acoustics (1199)
- Basic science (4082)
- General science (120567)