high-frequency mass-spectrometer
71Habitable zone — Goldilocks planet redirects here. For the planet initially nicknamed Goldilocks , see 70 Virginis b. For other uses, see Goldilocks (disambiguation). Goldilocks Zone and Comfort zone (astronomy) redirect here. For other uses, see Comfort zone… …
72Bradbury-Nielsen shutter — A Bradbury Nielsen shutter (or Bradbury Nielsen gate) is a type of electrical ion gate, which was first proposed in an article by Norris Bradbury and Russel A. Nielsen, where they used it as an electron filter. [cite journal | author = Norris E.… …
73Electromagnet — An electromagnet is a type of magnet in which the magnetic field is produced by the flow of electric current. The magnetic field disappears when the current is turned off. Electromagnets are widely used as components of other electrical devices,… …
74device — Synonyms and related words: AM receiver, AM tuner, AM FM receiver, AM FM tuner, CB, Charlie McCarthy, Fathometer, Flexowriter typewriter, Geiger counter, John Hancock, RDF, X, X ray microscope, ability, achievement, action, ad hoc measure, agency …
75List of cycles — This article does not deal with types of bicycles, for that see Bicycle#Types and Category:Cycle types. This is a list of recurring cycles. See also list of wave topics, time, and pattern. Contents 1 Time and calendar cycles 2 Planetary cycles …
76Cluster chemistry — In chemistry, a cluster is an ensemble of bound atoms intermediate in size between a molecule and a bulk solid. Clusters exist of diverse stoichiometries and nuclearities. For example, carbon and boron atoms form fullerene and borane clusters,… …
77Earth technology in Stargate — In the Stargate fictional universe, the humans of Earth have developed many advanced technologies based on what SG teams have brought back from trips to other planets through the Stargate. Earth has also benefitted from technical knowledge… …
78Helium atom scattering — (HAS) is a surface analysis technique used in materials science. HAS provides information about the surface structure and lattice dynamics of a material by measuring the diffracted atoms from a monochromatic helium beam incident on the sample.… …
79Package testing — Military shipping container being drop tested Testing …
80TWINS — This article is about the NASA instruments. For other uses of Twins , see Twins (disambiguation). TWINS Operator NASA Instrument Type …
