create vacuum
91Tesla coil — at Questacon the National Science and Technology center in Canberra, Australia Uses Application in educational demonstrations, novelty lighting, as well as music Inventor …
92Newcomen steam engine — Animation of a schematic Newcomen steam engine. – Steam is shown pink and water is blue. – Valves move from open (green) to closed (red) The atmospheric engine invented by Thomas Newcomen in 1712, today referred to as a Newcomen steam engine (or… …
93Headlamp — Headlight redirects here. For other uses, see Headlight (disambiguation). High Beams redirects here. For the urban legend also known by that name, see Killer in the backseat. A motor scooter s front with an impractical number and variety of… …
94Alan Guth — Infobox Scientist name = Alan Harvey Guth caption = Alan Guth at Harvard University birth date = Birth date and age|1947|2|27|df=y birth place = New Brunswick, New Jersey death date = death place = residence = United States nationality = American …
95IRobot — This article is about the robot company. For other uses, see I, Robot (disambiguation). Infobox Company company name = iRobot Corporation company company type = Public (nasdaq|IRBT) genre = foundation = 1990 founder = Rodney Brooks, Colin Angle… …
96Perpetual motion — For other uses, see Perpetual motion (disambiguation). Robert Fludd s 1618 water screw perpetual motion machine from a 1660 wood engraving. This device is widely credited as the first recorded attempt to describe such a device in order to produce …
97Moog synthesizer — Moog synthesizers in 2007 …
98Instrument amplifier — This page is about amplifiers for musical instruments. See also instrumentation amplifier, a type of operational amplifier. An instrument amplifier is an electronic amplifier that converts the often barely audible or purely electronic signal from …
99Electronic organ — Yamaha GX1, a synthesizer organ in 1970s WERSI Scala, an …
100Death Busters — Sailor Moon villain group Left column, top to bottom: Mistress 9, Germatoid, Master Pharaoh 90. Center column: Professor Tomoe, Kaolinite. Right column, in both magical and civilian forms: Mimete, Eudial, Viluy, Tellu. Bottom: Cyprine and Ptilol …
