to confine the beam
1The Dragon Masters — Infobox Book | name = The Dragon Masters title orig = translator = image caption = first edition of the The Dragon Masters author = Jack Vance illustrator = cover artist = country = United States language = English series = genre = Science… …
2Technology of the Dune universe — The technology of the Dune universe is a key aspect of the fictional setting of the Dune series of science fiction novels written by Frank Herbert, and derivative works. Herbert s concepts and inventions have been analyzed and deconstructed in at …
3Small-angle X-ray scattering — (SAXS) is a small angle scattering (SAS) technique where the elastic scattering of X rays (wavelength 0.1 ... 0.2 nm) by a sample which has inhomogeneities in the nm range, is recorded at very low angles (typically 0.1 10°). This angular range… …
4Fusion power — The Sun is a natural fusion reactor. Fusion power is the power generated by nuclear fusion processes. In fusion reactions two light atomic nuclei fuse together to form a heavier nucleus (in contrast with fission power). In doing so they release a …
5Bevatron — The Bevatron was a particle accelerator mdash; specifically, a weak focusing proton synchrotron mdash; at Lawrence Berkeley National Laboratory which began operating in 1954. The antiproton was discovered there in 1955, resulting in the 1959… …
6Photonic crystal — The opal in this bracelet contains a natural periodic microstructure responsible for its iridescent color. It is essentially a natural photonic crystal, although it does not have a complete photonic band gap. Photonic crystals are periodic… …
7Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
8fusion reactor — Physics. a reactor for producing atomic energy by nuclear fusion. Cf. reactor (def. 4). * * * Introduction also called fusion power plant or thermonuclear reactor a device to produce electrical power from the energy released in a nuclear… …
9Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale …
10nanotechnology — /nan euh tek nol euh jee, nay neuh /, n. any technology on the scale of nanometers. [1987] * * * Manipulation of atoms, molecules, and materials to form structures on the scale of nanometres (billionths of a metre). These nanostructures typically …
