Voitenko compressor — In 1965 a Russian scientist proposed that the shaped charge originally developed for piercing thick steel armor be adapted to the task of accelerating shock waves. The resulting device, looking a little like a wind tunnel, is called a Voitenko… … Wikipedia
Plutonium(VI)-fluorid — Strukturformel Kristallsystem orthorhombisch Rau … Deutsch Wikipedia
Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… … Wikipedia
MythBusters (2006 season) — Country of origin Australia United States No. of episodes 28 (includes 2 specials) Broadcast Original channel Discovery Channel … Wikipedia
MythBusters (2007 season) — Country of origin Australia United States No. of episodes 25 (includes 4 specials) Broadcast Original channel Discovery Channel … Wikipedia
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
MythBusters (2008 season) — Country of origin Australia United States No. of episodes 20 (includes 8 specials) Broadcast Original channel Discovery Channel … Wikipedia
Naval mine — Polish wz. 08/39 contact mine. The protuberances around the top of the mine, called Hertz horns, are part of the detonation mechanism … Wikipedia
artillery — /ahr til euh ree/, n. 1. mounted projectile firing guns or missile launchers, mobile or stationary, light or heavy, as distinguished from small arms. 2. the troops or the branch of an army concerned with the use and service of such weapons. 3.… … Universalium
Electromagnet — An electromagnet is a type of magnet in which the magnetic field is produced by the flow of electric current. The magnetic field disappears when the current is turned off. Electromagnets are widely used as components of other electrical devices,… … Wikipedia
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium