Physics

Radioactive decay is the process by which an unstable atomic nucleus loses energy by radiation. A material containing unstable nuclei is considered radioactive. Three...
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An atom is the smallest constituent unit of ordinary matter that constitutes a chemical element. Every solid, liquid, gas, and plasma is composed of...
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A logic gate is an idealized or physical electronic device implementing a Boolean function, a logical operation performed on one or more binary inputs...
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The Doppler effect (or the Doppler shift) is the change in frequency of a wave in relation to an observer who is moving relative...
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