helical mill
21Molecular dynamics — (MD) is a computer simulation of physical movements of atoms and molecules. The atoms and molecules are allowed to interact for a period of time, giving a view of the motion of the atoms. In the most common version, the trajectories of molecules… …
22Wind turbine — Offshore wind farm using 5MW turbines REpower 5M in the North Sea off Belgium This article discusses wind powered electrical generators. See windmill for wind powered machinery used to grind grain or pump water. A wind turbine is a device that… …
23Orthomyxoviridae — Virus classification Group: Group V (( )ssRNA) Order: Unassigned Family: Orthomyxoviridae …
24Armstrong Whitworth — Infobox Defunct company company name = Sir W G Armstrong Whitworth Co Ltd company slogan = company type = Private fate = Demergers Take over Predecessor = W.G. Armstrong Mitchell Company successor = Armstrong Whitworth foundation = 1847 (W.G.… …
25Chain drive — Roller chain and sprocket Mack AC delivery truck at the Petersen Automotive Museum with chain drive visible Chain drive is a way of transmitting mecha …
26Vise (tool) — A vise or vice (see under miscellaneous spelling differences) is a mechanical screw apparatus used for holding or clamping a work piece to allow work to be performed on it with tools such as saws, planes, drills, mills, screwdrivers, sandpaper,… …
27List of rock instrumentals — The following is a list of rock instrumentals, including live performances and drum solos, organized by artist name. 0 9 =3= *Bramfatura =311= * Blizza * Cali Soca * Color ( Transistor ) * Dreamland ( Enlarged to Show Detail 2 ) * Old Funk *… …
28Needle remover — a wall mounted sharps container Needle removers are devices that physically remove a needle from a syringe. In developing countries, there is still a need for improvements in needle safety in hospital settings as most of the needle removal… …
29Renewable energy commercialization — The wind, Sun, and biomass are three renewable energy sources …
