hydrogen weapon
71Molecular nanotechnology — Part of a series of articles on Molecular Nanotechnology …
72Cryoprotectant — A cryoprotectant is a substance that is used to protect biological tissue from freezing damage (damage due to ice formation). Arctic and Antarctic insects, fish, amphibians and reptiles create cryoprotectants (antifreeze compounds and antifreeze… …
73Autonomous car — For the wider application of artificial intelligence to automobiles, see Vehicle Automation. Junior, a robotic Volkswagen Passat parked at Stanford University. An autonomous car, also known as robotic or informally as driverless, is an autonomous …
74Hans Bethe — Infobox Scientist name = Hans Bethe image width = birth dat = July 2 1906 birth place = Strassburg, Germany residence = United States nationality = Germany United States death date = death date and age|2005|3|6|1906|7|2 death place = Ithaca, New… …
75chemistry — /kem euh stree/, n., pl. chemistries. 1. the science that deals with the composition and properties of substances and various elementary forms of matter. Cf. element (def. 2). 2. chemical properties, reactions, phenomena, etc.: the chemistry of… …
76Chemical weapons in World War I — A poison gas attack using gas cylinders in World War I. The use of chemical weapons in World War I ranged from disabling chemicals, such as tear gas and the severe mustard gas, to lethal agents like phosgene and chlorine. This chemical warfare… …
77Delta IV — This article is about the rocket. For the submarine see Delta class submarine. Delta IV (Delta 9000) Delta IV Medium launch carrying DSCS III B6 Function Orbital launch vehicle Manufacturer Boeing …
78Nuclear thermal rocket — Sketch of nuclear thermal rocket …
79Tsar Bomba — This article is about the Soviet hydrogen bomb. For the Bride album, see Tsar Bomba (album). AN602 The Tsar Bomba mushroom cloud seen from a distance of 160 km. The crown of the cloud is 56 km high at time of picture. Type …
80physical science — physical scientist. 1. any of the natural sciences dealing with inanimate matter or with energy, as physics, chemistry, and astronomy. 2. these sciences collectively. [1835 45] * * * Introduction the systematic study of the inorganic world …
