A UK entrepreneur takes flight by attaching miniature jet engines to his limbs

A YouTube collection of grainy video clips highlights the progress Gravity founder Richard Browning has made toward his outlandish dream over the past year. Each seems more terrifying than the last, with multiple jet engines attached to his limbs in various configurations, as he hovers a few feet from the ground.

The press material attached to the announcement heralds the oil trader turned entrepreneur as a real life Iron Man, but it’s hard to shake the feeling that you’re watching some sort of backyard mad scientist, a few moments away from the world’s most dangerous Jack Ass stunt. Browning acknowledges how downright alarming the footage of the Daedelus rig appears, but shakes off any notion that he’s actually in danger at any point during the three-and-a-half minute package.

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Where Russian Supersonic Jets Go To Die

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Some parts of the plane still work!

Tu-144 which first flew on 31 December 1968 (two months before Concorde) is the fastest supersonic commercial airliner ever made. Despite the similarity of the Tu-144 to Concorde, there were significant differences in the control, navigation and engine systems. The Tu-144 was in some ways a more technologically advanced aircraft, but in areas such as range, aerodynamic sophistication, braking and engine control, it lagged behind Concorde.  A total of 16 airworthy Tu-144s were built, Aeroflot had only made 55 scheduled passenger flights with their Tu-144s before they put them out of service.  (PICS)

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Soybeans And Coconuts To Power Jets

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Who Says Only McDonald’s Can Use Soybeans for Gas

Scientists in the US have turned oil from plants like soybeans and coconuts into jet fuel that is equivalent to kerosene derived from oil.

According to a report in the Scientific American, working with the U.S. Department of Defense’s Defense Advanced Research Projects Agency (DARPA), scientists at the Energy and Environmental Research Center (EERC) at the University of North Dakota turned these plant oils into fuel that had a similar density, energy content and even freezing point.

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Buy Your Own Strap-on Rocket-Powered Personal Helicopter

Buy Your Own Strap-on Rocket-Powered Personal Helicopter

There are some devices that just make you wanna say, “No wait, you go first”

By using tiny rocket motors at the tips of the rotor blades, the Libelula eliminates the torque which makes a tail rotor necessary in a conventional helicopter. This in theory makes it much more reliable, which is a good thing when you’re hanging from a backpack a few hundred feet above terra firma. (Pics)

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