They are mostly found in supersonic fighter aircraft, although the Concorde SST used them on takeoff as well [sources: Encyclopaedia Britannica; NASA; Pratt & Whitney]. Ramjets, Ahead of Their Time? Whoever said that you have to walk before you can run never met Frenchman René Lorin. He ...
The Paris Marathon course starts at the Champs-Elysees and then heads toward the Place de la Concorde and continue through the city to finish at Foch Avenue. Along with the Berlin Marathon and the London Marathon, it is one of the most popular marthons in Europe. For this years race this...
Boeing 707:Before the 747, there was its older sibling, the 707. This jet ushered in the age of commercial air travel and was the dominant passenger airplane of the 1960s. The Boeing 707 pictured was used as Air Force One by Presidents Jimmy Carter, Gerald Ford, Richard Nixon and George...