Experimental Air Force aircraft goes hypersonic
An experimental unmanned aircraft developed for the U.S. Air Force has flown at more than five times the speed of sound in a test off California.
May 03, 2013
4.8 / 5 (27)
14
May 03, 2013
4.8 / 5 (27)
14
Dragon arrives at space station in historic 1st (Update 2)
The privately bankrolled Dragon capsule made a historic arrival at the International Space Station on Friday, triumphantly captured by astronauts wielding a giant robot arm.
May 25, 2012
5 / 5 (11)
20
DARPA releases video of HTV-2 hypersonic glider flight
An unmanned glider streaks over the Pacific Ocean at 20 times the speed of sound in a video released Thursday by a U.S. defense research agency experimenting with technology that could give the military the ...
Aug 25, 2011
4 / 5 (24)
66
Researchers find critical speed above which birds- and drones- are sure to crash
The northern goshawk is one of nature's diehard thrill-seekers. The formidable raptor preys on birds and small mammals, speeding through tree canopies and underbrush to catch its quarry. With reflexes that rival a fighter ...
Jan 19, 2012
4.7 / 5 (6)
1
|
Military plans new hypersonic flight after failure
(AP)—The U.S. military said Wednesday it is planning another unmanned hypersonic flight in the wake of a failed attempt.
Oct 24, 2012
4.1 / 5 (8)
16
Pentagon successfully tests hypersonic flying bomb
The Pentagon on Thursday held a successful test flight of a flying bomb that travels faster than the speed of sound and will give military planners the ability to strike targets anywhere in the world in less than a hour.
Nov 17, 2011
4.1 / 5 (21)
180
Largest bird alters its foraging due to climate change
How do honeybees control their flight speed to avoid obstacles?
Unlike humans, bees have a dorsal visual field that enables them to avoid obstacles above their heads. Until now, it was not known whether this helped them to control their flight speed. Recent research by ...
May 16, 2011
5 / 5 (3)
0
|
Trading energy for safety, bees extend legs to stay stable in wind
New research shows some bees brace themselves against wind and turbulence by extending their sturdy hind legs while flying. But this approach comes at a steep cost, increasing aerodynamic drag and the power ...
Jun 02, 2009
5 / 5 (3)
0
Flight speed is affected by diet in early life
A good start in early life means everything, and not just for children cajoled into eating their vegetables. Zebra finches that grew up on a poor diet may catch up in weight and size, but become slower to ...
May 10, 2011
3 / 5 (1)
0
|
Big meteorite chunk found in Russia's Ural Mountains
Scientists and meteorites hunters have been on a quest to find bits of rock from the asteroid exploded over the city of Chelyabinsk in Russia on February 15. More than 100 fragments have been found so far ...
Feb 27, 2013
4.8 / 5 (5)
1
New materials designed to deal with hypersonic and supersonic hot stuff (w/ Video)
University of Queensland researchers are testing new materials to withstand the extreme heat experienced by hypersonic vehicles in flight so they can fly for substantially longer.
Dec 24, 2009
4.2 / 5 (25)
9
Baumgartner feat boosts hopes for imperilled astronauts
Daredevil Felix Baumgartner's record-breaking jump raises hopes that pilots and even astronauts can be saved from accidents in the stratosphere, experts said on Monday.
Oct 15, 2012
5 / 5 (1)
1
SLS model 'flies' through Langley wind tunnel testing
(Phys.org)—At NASA facilities around the country, engineers are developing America's first exploration-class rocket since the Saturn V launched astronauts to the moon. The Space Launch System (SLS) will ...
Nov 29, 2012
5 / 5 (3)
0
Flight experiment goes boldly forth to advance new technology
(Phys.org)—A hypersonic flight experiment at eight times the speed of sound, led by a University of Queensland PhD student, has safely launched in Norway.
Dec 14, 2012
4 / 5 (2)
0
