vacuum tester
51Lunokhod programme — Lunokhod (Russian Луноход, Moonwalker ) 1 and 2 were a pair of by the Soviet robotic lunar rovers landed on the Moon in 1970 and 1973, respectively. They were in operation conterminously with the Zond series of flyby missions. The Lunokhod… …
52Quantum decoherence — Quantum mechanics Uncertainty principle …
53Railroad car — A railroad car or railway carriage is a vehicle on a rail transport system (railroad or railway) that is used for the carrying of cargo or passengers. Cars can be coupled together into a train and hauled by one or more locomotive. Passenger cars… …
54Chevrolet Impala — 1958 Chevrolet Impala Coupe Manufacturer Chevrolet Division of General Motors Production …
55Molybdenum disulfide — Molybdenum disulfide …
56Measurement in quantum mechanics — Quantum mechanics Uncertainty principle …
57Display resolution — For screen sizes (typically in inches, measured in the diagonal), see Display size. For a list of particular display resolutions, see Graphic display resolutions. This chart shows the most common display resolutions, with the color of each… …
58Dodge Challenger — Manufacturer Dodge Division of Chrysler Corporation (1970–74) Mitsubishi Motors (1978–83) Dodge Division of Chrysler Group LLC (2008–present) Product …
59Fu Foundation School of Engineering and Applied Science — The Fu Foundation School of Engineering and Applied Science (popularly known as SEAS) is a school of Columbia University which awards degrees in engineering, applied physics and applied mathematics. Columbia, originally chartered as King s… …
60British Rail Class 84 — Infobox Locomotive name = British Railways AL4 British Rail Class 84 powertype = Electric caption = Preserved locomotive 84001 on display at Crewe Works open day on 11 September 2005. builder = North British Locomotive Company totalproduction =… …
