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Improved versions of the prism sheet have a wavy rather than a prismatic structure, and introduce waves laterally into the structure of the sheet while also varying the height of the waves, directing even more light towards the screen and reducing aliasing or moiré between the structure of the prism sheet and the subpixels of the LCD.
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.
The first M19 cupola (a modified T9) was ready on 27 October 1958. It has an M28C sight for the machine gun in the forward part of the cupola and eight vision blocks. The front vision block can be replaced by a M19E1 infrared periscope or an M36E1 passive periscope for night observation. [15] Initial production of the cupola was problematic.
Stocks jumped Thursday as investors cheered the Federal Reserve’s eye-popping half-point interest rate cut. The Dow closed 522 points, or 1.3%, higher, reaching a new record after passing the ...
Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the latter half of the 19th century after the commercialization of the electric telegraph , the telephone ...
In medicine, a prosthesis (pl.: prostheses; from Ancient Greek: πρόσθεσις, romanized: prósthesis, lit. 'addition, application, attachment'), [1] or a prosthetic implant, [2] [3] is an artificial device that replaces a missing body part, which may be lost through physical trauma, disease, or a condition present at birth (congenital disorder).
Vitaly Abalakov (1906–1986), Russia – camming devices, Abalakov thread (or V-thread), gearless ice climbing anchor; Ernst Karl Abbe (1840–1905), Germany – Condenser (microscope), apochromatic lens, refractometer
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.
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