1/60 th of a minute, inserted each year to make up for the fact that the Earth's rotation is slowing down
Bomb powered by nuclear fission
Self-regulating device that controls temperature
Harmful discharge of artificially heated wastewater into the environment
Radioactive fuel rods of a nuclear reactor melts through its protective covering and releases dangerous radiation because of a breakdown of its cooling system
Rotary wheel powered by water, heated air, or steam
Attracting or repelling force exerted between magnetic poles
Path an electric current travels
System of locating things underwater by echoes sent from short bursts of sound
Metric unit of power equal to one joule per second
Generated when energy is released by the fission of the nuclei of uranium or another element
Device that converts mechanical energy to electrical energy
Device that converts electrical energy to mechanical energy
Nuclear reactor in which plutonium and other materials are produced as a by-product
Science dealing with the study of control systems in electronic, mechanical, and biological systems
Measurement of electromotive force
Substance that has a resistance between that of a conductor and that of an insulator
Device using radio waves to detect the distance, speed, and direction of unseen objects
Can continuously produce work with no energy input, or can continuously convert heat completely into work (considered impossible according to the second law of thermodynamics)
Engine that derives its power from heat and pressure from the fuel-and-air mixture burned inside the engine
Uses negatively-charged accelerated particles of light to detect minuscule organisms and magnify them on a photographic plate
Instrument used to measure very small electric currents
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