unstable state lifetime
1Gun laws in the United States (by state) — U.S. Firearms Legal Topics Assault weapons ban ATF Bureau Brady Handgun Violence Prevention Act Concealed carry in the U.S. Domestic Violence Offender Gun Ban …
2Radioactive decay — For particle decay in a more general context, see Particle decay. For more information on hazards of various kinds of radiation from decay, see Ionizing radiation. Radioactive redirects here. For other uses, see Radioactive (disambiguation).… …
3luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …
4Dhyāna in Buddhism — Chinese name Traditional Chinese 禪 Simplified Chinese 禅 …
5Laser 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 …
6Dr. Tachyon — on the cover of Wild Cards. Publication information Publisher George R. R. Martin First appea …
7Xi baryon — The Xi baryons or cascade particles are a family of subatomic hadron particles which have the symbol Ξ and have a +2, +1 or 1 elementary charge or are neutral. They are baryons containing three quarks: one up or down quark, and two heavier quarks …
8MUSIC — This article is arranged according to the following outline: introduction written sources of direct and circumstantial evidence the material relics and iconography notated sources oral tradition archives and important collections of jewish music… …
9William Beebe — For the U.S. Army officer and Medal of Honor recipient, see William Sully Beebe. William Beebe William Beebe in British Guiana in 1917 …
10Driller (video game) — Driller Developer(s) Major Developments Publisher(s) Incentive Software …
