They are found in numerous hospitals, hotel rooms, schools, and offices. They are small air-handling units paired with chilled-water and hot-water coils, with a fan to circulate heated or chilled air.

Scientists are pursuing the proposition of clean and inexhaustible power from nuclear fusion through a variety of experimental reactor designs, and one of the more interesting examples is a roughly ...

KEARNY, N.J., Jan. 29, 2025 (GLOBE NEWSWIRE) -- Thea Energy, Inc., a fusion technology company advancing the stellarator for the commercialization of a carbon-free and abundant source of energy, today ...

Some relays will become warm if they remain energized for some time. The circuit shown here will actuate the relay as before but then reduce the ‘hold’ current through the relay coil current by about ...

The circuit shown in the figure uses stored energy in the multiplexer relay coil to boost the power-supply voltage from 3.3 to 5.1 V. This extra voltage enhances the amplifier's ability to produce a ...

You don’t have a Tesla coil? And you call yourself a mad scientist. You should take a lesson from electrical engineer Greg Leyh and build yourself a pair of 118-footers. That’ll show those fools who ...