Contributors in Science
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tie rod
Science; General science
A rod or bar, usually circular in cross section, used in structural parts of machines to tie together or brace connected members, or, in moving parts of machines or mechanisms, ...
squirrel
Science; General science
A rodent in the family Sciuridae. This family includes all tree squirrels and flying squirrels, as well as squirrels that live on the ground such as the woodchuck, marmot, ...
anechoic chamber
Science; General science
A room whose boundaries absorb effectively all the waves incident on them, thereby providing free-field conditions. A free field is a field whose boundaries exert negligible ...
turbodrill
Science; General science
A rotary tool used in drilling oil or gas wells in which the bit is rotated by a turbine motor inside the well. The principal difference between rotary and turbo drilling lies in ...
direct-current generator
Science; General science
A rotating electric machine which delivers a unidirectional voltage and current. An armature winding mounted on the rotor supplies the electric power output. One or more field ...
flywheel
Science; General science
A rotating mass used to maintain the speed of a machine between given limits while the machine releases or receives energy at a varying rate. A flywheel is an energy storage ...
geode
Science; General science
A roughly spheroidal hollow body, lined on the inside with inward-projecting small crystals (see illus. ). Geodes are found most frequently in limestone beds but may occur in ...
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