sheet laser
51Plasma (physics) — For other uses, see Plasma. Plasma lamp, illustrating some of the more complex phenomena of a plasma, including filamentation. The colors are a result of relaxation of electrons in excited states to lower energy states after they have recombined… …
52Geology of Mars — Mars   Mars as seen by the Hubble Space Telescope Designations …
537440-63-3 — Xénon Pour les articles homonymes, voir Xenon. Xénon …
54Projecteurs bi-xénon — Xénon Pour les articles homonymes, voir Xenon. Xénon …
55Xénon — Pour les articles homonymes, voir Xenon et XE. Xénon Iode ← Xé …
56Optical properties of carbon nanotubes — Contents 1 Terminology 2 Electronic structure of carbon nanotube 3 Van Hove singularities …
57Gramophone record — A 12 inch (30 cm) 33⅓ rpm record (left), a 7 inch 45 rpm record (right), and a CD (above) A gramophone record, commonly known as a phonograph record (in American English), vinyl record (in reference to vinyl, the material most commonly used after …
58X-ray — [ 22 December 1895 and presented to Professor Ludwig Zehnder of the Physik Institut, University of Freiburg, on 1 January 1896. The dark oval on the third finger is a shadow produced by her ring. [cite book last = Kevles first =Bettyann Holtzmann …
59F-15E Strike Eagle — Infobox Aircraft name=F 15E Strike Eagle type=Strike fighter manufacturer=McDonnell Douglas/Boeing IDS caption= designer= first flight=11 December 1986 introduced=April 1988 retired= number built= status= unit cost=F 15E: US$31.1 million (1998) F …
60ICESat — (Ice, Cloud, and Land Elevation Satellite), part of NASA s Earth Observing System, is a satellite mission for measuring ice sheet mass balance, cloud and aerosol heights, as well as land topography and vegetation characteristics. ICESat was… …
