(at very low temperatures)
91Frost — /frawst, frost/, n. Robert (Lee), 1874 1963, U.S. poet. * * * I Atmospheric moisture that crystallizes directly on the ground and on exposed objects. The term also refers to the occurrence of subfreezing temperatures that affect plants and crops …
92Cryostat — A chamber that can maintain very low temperatures. Medical laboratories use a cryostat to preserve frozen tissue samples while a microtome, an extremely sharp cutting instrument mounted inside cryostats, slices the tissue into pieces thin enough… …
93Giauque , William Francis — (1895–1982) Canadian–American physical chemist Born at Niagara Falls in Canada, Giauque spent his whole academic life at the University of California. He began as a student, obtaining his PhD in 1922, and was immediately appointed to the staff at …
94Neon — This article is about the noble gas. For other uses, see Neon (disambiguation). fluorine ← neon → sodium …
95Tsui, Daniel C. — ▪ American physicist in full Daniel Chee Tsui born Feb. 28, 1939, Honan province, China Chinese born American physicist who, with Horst L. Störmer (Störmer, Horst L.) and Robert B. Laughlin (Laughlin, Robert B.), received the 1998 Nobel… …
96cryogenics — The science concerned with the production and effects of very low temperatures, particularly temperatures in the range of liquid helium (<4.25 K). [cryo + G. gen, producing] * * * cryo·gen·ics iks n pl but sing or pl in constr a branch of… …
97Influenza pandemic — Note: For information about the content, tone and sourcing of this article, please see the tags at the bottom of this page. An influenza pandemic is an epidemic of an influenza virus that spreads on a worldwide scale and infects a large… …
98Hazards of outdoor activities — Any outdoor activity entails many risks, even if participants do not recklessly place themselves in harm s way. Even a simple accident may create a dangerous situation that requires survival skills. However, with the correct precautions, outdoor… …
99Maximum density — The maximum density of a substance is the highest attainable density of the substance under given conditions. Contents 1 Attaining maximum density 2 Maximum density of water 3 References 4 …
100dysprosium — /dis proh see euhm, shee /, n. Chem. a rare earth metallic element, highly reactive and paramagnetic, found in small amounts in various rare earth minerals, as euxenite and monazite: used to absorb neutrons in nuclear reactors. Symbol: Dy; at. wt …
