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Bell Labs [a] is an American industrial research and development (R&D) company credited with the development of radio astronomy, the transistor, the laser, the photovoltaic cell, the charge-coupled device (CCD), information theory, the Unix operating system, and the programming languages B, C, C++, S, SNOBOL, AWK, AMPL, and others.
A liquid-crystal display (LCD) is a flat-panel display or other electronically modulated optical device that uses the light-modulating properties of liquid crystals combined with polarizers. Liquid crystals do not emit light directly [ 1 ] but instead use a backlight or reflector to produce images in color or monochrome.
Heidi Klum is opening up about her Halloween plans!. Speaking exclusively to PEOPLE at the America’s Got TalentSeason 19 Finale 1 on Tuesday, Sept. 17,Klum, 51, revealed that she’s been ...
Johann Wolfgang von Goethe [a] (28 August 1749 – 22 March 1832) was a German polymath, who is widely regarded as the greatest and most influential writer in the German language.
Trisomy 21. Down syndrome (also known by the karyotype 47,XX,+21 for females and 47,XY,+21 for males) [98] is mostly caused by a failure of the 21st chromosome to separate during egg or sperm development, known as nondisjunction. [91] As a result, a sperm or egg cell is produced with an extra copy of chromosome 21; this cell thus has 24 ...
With a narrowing window for correction. 'We're going to do really well in the playoffs' OK, so the cavalry isn’t quite coming. But the Orioles will have a bevy of returnees returning just before ...
Hydrogen peroxide is a chemical compound with the formula H 2 O 2.In its pure form, it is a very pale blue [5] liquid that is slightly more viscous than water.It is used as an oxidizer, bleaching agent, and antiseptic, usually as a dilute solution (3%–6% by weight) in water for consumer use and in higher concentrations for industrial use.
Mikhail Lomonosov (1711–1765), Russia – night vision telescope, off-axis reflecting telescope, coaxial rotor, re-invented smalt; Yury Lomonosov (1876–1952), Russia/UK – first successful mainline diesel locomotive; Aleksandr Loran (1849 – after 1911), Russia – fire fighting foam, foam extinguisher
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