half speed
31Electronic speed control — An electronic speed control or ESC is a device mounted onboard an electrically powered radio control model in order to vary its drive motor s speed, its direction and even to act as a dynamic brake in certain controllers.An ESC can be a stand… …
32The Speed of the Old Long Bow — Speed of the Old Long Bow: A Tribute to Ed Haley …
33High speed photography — [ Eadweard Muybridge, first published in 1887.] High Speed Photography is the science of taking pictures of very fast phenomena. In 1948, the Society of Motion Picture and Television Engineers (SMPTE) defined high speed photography as any set of… …
34Film speed — is the measure of a photographic film s sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital… …
35Long track speed skating — For related forms of competition, see Speed skating. Competitive speed skater Speed skating (also long track speed skating) is an Olympic sport where competitors are timed while crossing a set distance. It is also a sport for leisure. Sports such …
36Need for Speed: Hot Pursuit (2010 video game) — This article is about the 2010 video game. For other uses, see Need for Speed: Hot Pursuit (disambiguation). Need for Speed: Hot Pursuit European cover art Developer(s) Criterion Games …
37High-speed rail in the United Kingdom — The United Kingdom has four classic main railway lines operating at convert|125|mph|km/h|sigfig=2, plus convert|108|km|mi|sigfig=1 of High Speed 1 high speed line.The fastest current UK domestic services operate at convert|125|mph|km/h|sigfig=2… …
38Planned high-speed rail by country — This article provides of planned or proposed High speed rail projects, listed by country. High speed rail is public transport by rail at speeds in excess of 200 km/h (125 mph). [ [http://www.uic.asso.fr/gv/article.php3?id article=14 General… …
39California High-Speed Rail — Infobox Public transit name = California High Speed Rail imagesize = 100px locale = California transit type = High speed rail ridership = 91 95 million yearly (projected) [cite web |url=http://www.cahighspeedrail.ca.gov/images/chsr/20080128135423 …
40Inline speed skating — is the sport of racing on inline skates. It is often called inline racing by participants. Although it primarily evolved from racing on quad roller skates, the sport is similar enough to ice speed skating that many competitors are now known to… …
