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Third rail print that page


insulated brackets, typically at intervals of 10 feet (3.0 metres) or so. The trains have metal contact blocks called "shoes" which make contact with the conductor rail. The traction current is returned to the generating station through the running rails. The conductor rail is usually made

Stud contact system print that page

The Stud Contact System is a once obsolete ground-level power supply system for electric trams . Studs were set in the road at intervals and connected to a buried electric cable by switches operated by magnets on the tramcars. Current was collected from the studs by a "skate" or " ski collector | 2011/8/17 8:38:59

Videoconferencing print that page


A videoconference or video conference (also known as a videoteleconference ) is a set of interactive telecommunication technologies which allow two or more locations to interact via two-way video and audio transmissions simultaneously. It has also been called 'visual collaboration' and

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

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

Rotary Youth Exchange print that page


Rotary Club that hosts a student provides a Rotarian counselor for the student who is the student's contact person within the club and provides support to the student when needed. Some districts are very active and host and send many students, other districts are less active and host fewer

History of Greenland print that page


several centuries. Denmark-Norway nonetheless claimed the territory, and, after centuries of no contact between the Norse Greenlanders and their Scandinavian brethren, it was feared that the Greenlanders had lapsed back into paganism ; so a missionary expedition was sent out to reinstate

Operation Bribie print that page


third of the lead platoon falling wounded in the initial volleys. A Company subsequently broke contact and withdrew under heavy fire from what appeared to be a Viet Cong base area. Initially believing they were opposed by only a company, 6RAR subsequently launched a quick attack by two companies

Rugby union print that page


The IRB has been the governing body for rugby union since its formation in 1886. The spread of rugby union grew from the Home Nations of Great Britain and Ireland, and was absorbed by many of the countries associated with the British Empire. Early exponents of the sport included Australia

Xfire print that page

Xfire's Livestream (formerly known as Mogulus ) allows users to broadcast live video streams of their current game to an audience. The website's Top 10 games has viewed World of Warcraft at the 1st place for many years but was recently surpassed by League of Legends on June 20, 2011. | 2011/10/4 9:36:57