Nets, harpoons and suicide robots could become weapons of choice to hunt down the space junk threatening crucial communications satellites currently in orbit round Earth, scientists said Thursday.
Space Exploration
Apr 25, 2013
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(Phys.org) —Many collisions occur between asteroids and other objects in our solar system, but scientists are not always able to detect or track these impacts from Earth. The "rogue debris" created by such collisions can ...
Space Exploration
Apr 23, 2013
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(Phys.org) —This charming and bright galaxy, known as IRAS 23436+5257, was captured by the NASA/ESA Hubble Space Telescope. It is located in the northern constellation of Cassiopeia, which is named after an arrogant, vain, ...
Astronomy
Mar 25, 2013
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Swarming is the spontaneous organised motion of a large number of individuals. It is observed at all scales, from bacterial colonies, slime moulds and groups of insects to shoals of fish, flocks of birds and animal herds. ...
General Physics
Mar 15, 2013
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(Phys.org) —Following its last close flyby of Saturn's moon Rhea, NASA's Cassini spacecraft captured these raw, unprocessed images of the battered icy moon. They show an ancient, cratered surface bearing the scars of collisions ...
Space Exploration
Mar 12, 2013
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Many commercial robotic arms perform what roboticists call "pick and place" tasks: The arm picks up an object in one location and places it in another. Usually, the objects—say, automobile components along an assembly line—are ...
Robotics
Feb 25, 2013
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(Phys.org)—A large multinational team of researchers, led by Markku Kulmala of Finland's University of Helsinki, has for the first time discovered the birth process of a class of aerosols. As they describe in their paper ...
(Phys.org)—Every year, sensors designed to detect nuclear explosions see harmless bursts in Earth's upper atmosphere from the breakup of an asteroid a few yards across. Tiny asteroids are much more numerous than big ones, ...
Space Exploration
Feb 8, 2013
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(Phys.org)—A new optical prescription for automobile side-view mirrors may eliminate the dreaded "blind spot" in traffic without distorting the perceived distance of cars approaching from behind. As described in a paper ...
Optics & Photonics
Jan 28, 2013
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(Phys.org)—J. M. J. van Leeuwen, a physicist at Leiden University in The Netherlands has created a mathematical model that predicts the maximum incremental size of falling dominos. He's found, as he describes in a paper ...
