screw effect
51Bicycle — For other uses, see Bicycle (disambiguation). A mountain bike, a popular multi use bicycle. A bicycle, also known as a bike, pushbike or cycle, is a human powered, pedal driven, single track vehicle, having two wheels attached to a frame, one… …
52Rubik's Cube — Other names Magic Cube …
53Musket — Muskets and bayonets aboard the frigate Grand Turk. A musket is a muzzle loaded, smooth bore long gun, fired from the shoulder. Muskets were designed for use by infantry. A soldier armed with a musket had the designation musketman or musketeer.… …
54Ironclad warship — An ironclad was a steam propelled warship of the later 19th century, protected by iron or steel armor plates. [Hill, Richard. War at Sea in the Ironclad Age ISBN 0 304 35273 X; p.17] The ironclad was developed as a result of the vulnerability of… …
55Meridian circle — Groombridge transit circle of 1806 The meridian circle, transit circle, or transit telescope is an instrument for observing the time of stars passing the meridian, at the same time measuring its angular distance from the zenith. The idea of… …
56List of Canada's Worst Handyman episodes — This is a list of episodes for the first season of the Canadian television series Canada s Worst Handyman , where the worst contestant, as determined by 25 challenges over 12 days, is given the dubious title. Format Each of the first five… …
57Avicenna — Infobox Muslim scholars | notability = Persian scholar| era = Islamic golden age| color = #cef2e0 | | image caption = | | name = transl|ar|Abū ʿAlī al Ḥusayn ibn ʿAbd Allāh ibn Sīnā Balkhi (Avicenna)| title= Sharaf al Mulk, Hujjat al Haq, Sheikh… …
58Timpani — Infobox Instrument name=Timpani names=Kettle drum, Timp classification= *Percussion instrument *Membranophone range= related= *Kus *Naqareh *NakerTimpani (also known colloquially as kettledrums or kettle drums) are musical instruments in the… …
59Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …
60airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …
