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Pinball print that page


electrification. A company called Pacific Amusements in Los Angeles, California , USA produced a game called Contact in 1933. Contact had an electrically powered solenoid to propel the ball out of a bonus hole in the middle of the playfield. Another solenoid rang a bell to reward the player

Airbag print that page


An airbag is a vehicle safety device. It is an occupant restraint consisting of a flexible envelope designed to inflate rapidly during an automobile collision , to prevent occupants from striking interior objects such as the steering wheel or a window. Modern vehicles may contain multiple

Surface tension print that page


physics 3.1 Two definitions 3.2 Surface curvature and pressure 3.3 Liquid surface 3.4 Contact angles 3.4.1 Special contact angles 4 Methods of measurement 5 Effects 5.1 Liquid in a vertical tube 5.2 Puddles on a surface 5.3 The breakup of streams into drops 6

Football print that page


The various codes of football share the following common elements: Two teams of usually between 11 and 18 players; some variations that have fewer players (five or more per team) are also popular. A clearly defined area in which to play the game. Scoring goals or points , by moving the

Lake Burley Griffin print that page


Griffin designed the lake with many geometric motifs, so that the axes of his design lined up with natural geographical landmarks in the area. However, government authorities changed his original plans and no substantial work was completed before he left Australia in 1920. His scheme remained

Automobile handling print that page


The center of mass height, relative to the track, determines load transfer , (related to, but not exactly weight transfer ), from side to side and causes body lean. When tires of a vehicle provide a centripetal force to pull it around a turn, the momentum of the vehicle actuates load transfer

Thermal contact conductance print that page

In physics , thermal contact conductance is the study of heat conduction between solid bodies in thermal contact . The thermal contact conductance coefficient , h c , is a property indicating the thermal conductivity , or ability to conduct heat , between two bodies in contact . The inverse | 2011/8/23 14:11:08

The Culture print that page

variants include M8 through M16, which are encrypted by various degrees, and are typically used by the Contact Section. Higher level encryptions exist, the highest of these being M32. M32 and lower level encrypted signals are the province of Special Circumstances. Use of M32 is reserved for | 2011/8/28 10:51:26

Sperm donation print that page

fertility clinic , or at home. Home donations are done using sperm from a known donor, or from a contact through a classified advert or sperm donation forum or website. [ citation needed ] Pregnancies are usually achieved using donated sperm by artificial insemination (either by ICI or | 2011/9/30 18:17:52

Goalkeeper print that page


In many team sports which involve scoring goals , a goalkeeper (termed goaltender, netminder , goalie , or keeper in some sports) is a designated player charged with directly preventing the opposing team from scoring by intercepting shots at goal. Such positions exist in hurling , association