solid-state welding
61Dynamo — For other uses, see Dynamo (disambiguation). Dynamo Electric Machine (end view, partly section, U.S. Patent 284,110) A dynamo (from the Greek word dynamis; meaning power), originally another name for an …
62Poly(methyl methacrylate) — This article is about the transparent plastic sometimes called acrylic glass. For the glass/plastic laminate often called safety glass , see laminated glass. Poly(methyl methacrylate) …
63Transparent alumina — is a transparent form of aluminium oxide, Al2O3. In bulk, solid form, alumina is a colorless, transparent solid. Rubies and sapphires are two forms, containing different impurities, which occur naturally. Rubies and sapphires can also be… …
64Superconducting Radio Frequency — (SRF) science and technology involves the application of electrical superconductors to radio frequency devices. The ultra low electrical loss of the superconductor yields RF resonators with extremely high quality factors, or Q . For example, it… …
65Mechanical alloying — (MA) is a solid state powder processing technique involving repeated cold welding, fracturing, and re welding of powder particles in a high energy ball mill. Originally developed to produce oxide dispersion strengthened (ODS) nickel and iron base …
66plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …
67Laser applications — There are many scientific, military, medical and commercial laser applications which have been developed since the invention of the laser in the 1958. The coherency, high monochromaticity, and ability to reach extremely high powers are all… …
68Airbus A380 — A380 redirects here. For other uses, see A380 (disambiguation). A380 A Singapore Airlines …
69Neon sign — …
70Silicon-controlled rectifier — A silicon controlled rectifier (or semiconductor controlled rectifier) is a four layer solid state device that controls current. The name silicon controlled rectifier or SCR is General Electric s trade name for a type of thyristor. The SCR was… …
