contact micrometer
81Faster-than-light — (also superluminal or FTL) communications and travel refer to the propagation of information or matter faster than the speed of light. Science fiction style space travel, dubbed true FTL, defies known physics.Under the special theory of… …
82Molecular nanotechnology — Part of a series of articles on Molecular Nanotechnology …
83Neuron — This article is about cells in the nervous system. For other uses, see Neuron (disambiguation). Brain cell redirects here. For other uses, see Glial cell. Neuron: Nerve Cell …
84Plough — Plow redirects here. For the Canadian soldier, see Edward Chester Plow. Plowman redirects here. For the surname, see Plowman (surname). Furrow redirects here. For other uses, see Furrow (disambiguation). For other uses, see Plough… …
85Solar sail — Solar sails (also called light sails or photon sails, especially when they use light sources other than the Sun) are a proposed form of spacecraft propulsion using large membrane mirrors. Radiation pressure is about 10 5 Pa at Earth s distance… …
86Moore's law — Plot of CPU transistor counts against dates of introduction. Note the logarithmic vertical scale; the line corresponds to exponential growth with transistor count doubling every two years …
87Vacuum cleaner — Cylinder vacuum cleaner for home use. French train vacuum cleaner …
88Lawn mower — A typical modern gasoline powered push mower. A riding mower or ride on …
89Cutting — For other uses, see Cutting (disambiguation). Different types of scissors sewing (left), paper (middle), kitchen (right) Cutting is the separation of a physical object, or a portion of a physical object, into two portions, through the application …
90Splitting maul — Woodsplitting maul Other names Wood maul Wood mall Block Buster (Typically used throughout Australia and New Zealand) Classification Hand tool Related Sledge hammer …
