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One of Charles Bombardier's many wild concept vehicle designs, the Arrow, could be powered by lithium-air batteries with a range of over 370 miles.
This month, our mechanic takes us through the basics of an engine.
Researchers in Norway design an electromagnetic device that can stop vehicles by making their engines cut out.
Don't expect an all-electric plane to carry hundreds of passengers soon, but in some corners of aviation, battery-powered aircraft are attracting industry interest.
In June 1943, Lockheed made a bold pitch to the U.S. Army that it could build a jet fighter, and build it fast. Since then, the Skunk Works has conjured up the U-2, the SR-71, the F-117, and more, and it's still going strong.
The flight failed due to aerodynamic problems caused when a fin became unlocked, sending the experimental aircraft into a corkscrew. A fourth X-51A flight will likely take place next year.
Trouble with a control fin on the sleek, scramjet-powered aircraft puts an abrupt and early end to the Air Force's attempt at a Mach 6 flight.
The $2.5 billion Mars Science Laboratory rover is closing in on the Red Planet for a white-knuckle descent to the surface using an untried "sky crane" technique to ensure a pinpoint landing on the floor of Gale Crater.
A prototype of the Firestrike system burns through a "representative cruise missile threat." The defense contractor sees a role for it on Navy ships.
The U.S. government aims to improve energy production from renewables to oil, but what does that mean in practice? Energy Secretary Steven Chu explains.