pulse decay-time
71nuclear reactor — Physics. reactor (def. 4). Also called nuclear pile. [1940 45] * * * Device that can initiate and control a self sustaining series of nuclear fission reactions. Neutrons released in one fission reaction may strike other heavy nuclei, causing them …
72General relativity — For a generally accessible and less technical introduction to the topic, see Introduction to general relativity. General relativity Introduction Mathematical formulation Resources …
73List of Torchwood items — This is a list of extraterrestrial, supernatural, otherworldly and futuristic items featured in the BBC science fiction drama Torchwood and its spin off media. 0 93 D glassesanchor|3 D glassesOriginally used by the Tenth Doctor in Doomsday to… …
74Nuclear fusion — Nuclear physics Radioactive decay Nuclear fission Nuclear fusion Classical dec …
75Tachyon — A tachyon (from the Greek polytonic|ταχυόνιον, takhyónion , from polytonic|ταχύς, takhýs , i.e. swift, fast) is any hypothetical particle that travels at faster than light speed. The first description of tachyons is attributed to German physicist …
76Cavity ring-down spectroscopy — (CRDS) is a spectroscopic technique for measuring the transmission or more accurately, the absorbance of light through a material. CRDS can provide extremely sensitive measurements, allowing scientists to measure very small differences in the… …
77Radiation hardening — is a method of designing and testing electronic components and systems to make them resistant to damage or malfunctions caused by ionizing radiation (particle radiation and high energy electromagnetic radiation),[1] such as would be encountered… …
78Rhythm — For other uses, see Rhythm (disambiguation). Rhythm, a sequence in time repeated, featured in dance: an early moving picture demonstrates the waltz …
79Fusion 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 …
80Raygun — A stereotypical raygun as shown in a 1955 patent application for a toy. This article is about weapons. For other meanings, see Raygun (disambiguat …
