(Phys.org) —Computer simulations of galaxies growing over billions of years have revealed a likely scenario for how they feed: a cosmic version of swirly straws.
Astronomy
May 24, 2013
36
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(Phys.org)—Like a ship plowing through still waters, the giant star Zeta Ophiuchi is speeding through space, making waves in the dust ahead. NASA's Spitzer Space Telescope has captured a dramatic, infrared portrait of these ...
Astronomy
Dec 19, 2012
2
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(Phys.org)—Sonic booms created by aircraft flying faster than the speed of sound certainly aren't known for being faint, but rather for their loud, make-you-jump startle effect for those who experience them. However, sonic ...
Space Exploration
Nov 5, 2012
0
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EU-funded researchers evaluated control techniques of air flow over aeroplane wings during supersonic flight. The optimal wing design developed should lead to important reductions in noise, emissions and fuel consumption.
Engineering
Oct 10, 2012
0
0
For the last few decades, space scientists have generally accepted that the bubble of gas and magnetic fields generated by the sun – known as the heliosphere – moves through space, creating three distinct boundary ...
Space Exploration
May 10, 2012
3
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Television's favourite Time Lord could not exist without his trusty sonic screwdriver, as it's proved priceless in defeating Daleks and keeping the Tardis in check. Now Doctor Who's famous cure-all gadget could become a reality ...
Engineering
Dec 7, 2010
5
0
Japan is making progress toward developing an advanced supersonic passenger aircraft that could, for example, make a day trip between Japan and Hawaii possible.
Space Exploration
May 11, 2010
1
0
(PhysOrg.com) -- NASA is concluding a series of flight tests to measure shock waves generated by an F-15 jet in an effort to validate computer models that could be used in designing quieter supersonic aircraft.
Space Exploration
Jan 22, 2009
0
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