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Rectaflex (Italy): first SLR camera equipped with a pentaprism for eye-level viewing. The first prototype of the Rectaflex was presented by Telemaco Corsi at the Milano Fair in April 1947. It was a wooden mock-up, with a mirror eye-level finder. This first prototype used a five-facet roof optic prism giving a left to right inverted image.
The human eye is a sensory organ in the visual system that reacts to visible light allowing eyesight. Other functions include maintaining the circadian rhythm, and keeping balance. Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device. It is approximately spherical in shape, with its outer ...
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.
Israel's Mossad spy agency planted a small amount of explosives inside 5000 Taiwan-made pagers ordered by Lebanese group Hezbollah months before Tuesday's detonations, a senior Lebanese security ...
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 ...
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.
Artificial intelligence (AI) has been used in applications throughout industry and academia. In a manner analogous to electricity or computers, AI serves as a general-purpose technology that has numerous applications, including language translation, image recognition, decision-making, [1] [2] credit scoring and e-commerce.
Konstantin Konstantinov (1817/1819–1871), Russia – device for measuring flight speed of projectiles, ballistic rocket pendulum, launch pad, rocket-making machine Sergei Korolev (1907–1966), USSR – first successful intercontinental ballistic missile ( R-7 Semyorka ), R-7 rocket family , Sputniks (including the first Earth-orbiting ...
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