Electronic mail (email or e-mail) is a method of exchanging messages (“mail”) between people using electronic devices. Email was thus conceived as the electronic (digital) version of, or counterpart to, mail, at a time when “mail” meant only physical mail (hence e- + mail). Email later became a ubiquitous (very widely used) communication medium, to the point that in current use, an e-mail address is often treated as a basic and necessary part of many processes in business, commerce, government, education, entertainment, and other spheres of daily life in most countries. Email is the medium, and each message sent therewith is called an email (mass/count distinction).
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Tokamak
invented by Andrei D. Sakharov Igor E. Tamm
A tokamak (/ˈtoʊkəmæk/; Russian: токамáк) is a device which uses a…
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invented by MITS
Altair 8800 is the spark that ignited the microcomputer revolution.
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invented by Frits Zernike
Phase-contrast microscopy (PCM) is an optical microscopy technique that…
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