Multiband tunable antennas are a critical part of many communication and radar systems. New research by engineers at the University of Bristol has shown significant advances in antennas by using optically induced plasmas ...
Engineering
Nov 16, 2017
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Following its launch yesterday, Sentinel-1A has performed a carefully choreographed 10-hour dance routine to open its large radar antenna and solar wings.
Space Exploration
Apr 4, 2014
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Testing the deployment of the Sentinel-1A radar antenna (in fast motion) in the cleanroom at Thales Alenia Space in Cannes, France. As the satellite is designed to operate in orbit, it is hung from a structure during tests ...
Space Exploration
Jan 28, 2014
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The comic-book hero Superman uses his X-ray vision to spot bad guys lurking behind walls and other objects. Now we could all have X-ray vision, thanks to researchers at MIT's Computer Science and Artificial Intelligence Laboratory.
Engineering
Jun 28, 2013
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Images taken from space have indicated that some of the world's unmonitored volcanoes may not be as peaceful as we might like to think. Satellite radar has shown that the surfaces of a number of volcanoes within the East ...
Earth Sciences
Jun 19, 2013
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(Phys.org) —Scientists working with NASA's 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have released a second, longer, more refined movie clip of asteroid 1998 QE2 and its moon. The 55 individual ...
Space Exploration
Jun 7, 2013
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It's 1.7 miles long. Its surface is covered in a sticky black substance similar to the gunk at the bottom of a barbecue. If it impacted Earth it would probably result in global extinction. Good thing it is just making a flyby.
Space Exploration
May 24, 2013
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(Phys.org) —Radar systems today depend increasingly on phased-array antennas, an advanced design in which extensive grids of solid state components direct signal beams electronically. Phased array technology is replacing ...
Engineering
Mar 31, 2013
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(PhysOrg.com) -- Scientists working with the 230-foot-wide (70-meter) Deep Space Network antenna at Goldstone, Calif., have generated a short movie clip of asteroid 2005 YU55. The images were generated from data collected ...
Space Exploration
Nov 9, 2011
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An asteroid the size of an aircraft carrier is set to make a close but harmless swing by Earth on Tuesday.
Space Exploration
Nov 8, 2011
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