(Phys.org)—A team made up of members from several European countries has published a paper in Physical Review Letters describing a technique they've developed for using fractal geometry to build structures that maintain ...
(PhysOrg.com) -- Scientists in New York have predicted, observed and experimentally verified a micrometer-scale object being lifted only by a beam of laser light. Optical lifting may be useful for powering micromachines or ...
(PhysOrg.com) -- On Dec. 6 at 1:31 a.m. EST, NASA for the first time successfully ejected a nanosatellite from a free-flying microsatellite. NanoSail-D ejected from the Fast, Affordable, Science and Technology Satellite, ...
Space Exploration
Dec 7, 2010
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In an unexpected reversal of fortune, NASA's NanoSail-D spacecraft has unfurled a gleaming sheet of space-age fabric 650 km above Earth, becoming the first-ever solar sail to circle our planet.
Space Exploration
Jan 26, 2011
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The electric sail (ESAIL), invented by Dr. Pekka Janhunen at the Finnish Kumpula Space Centre in 2006, produces propulsion power for a spacecraft by utilizing the solar wind. The sail features electrically charged long and ...
Space Exploration
Jan 8, 2013
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The concept of LightSail—spacecraft designed to propel through space on beams of sunlight— pushed through by nothing but the pressure of sunlight—has been around for years but this month made special news because the ...
The Planetary Society solar sail exploration called LightSail is looking good. The concept—a spacecraft designed to propel through space on beams of sunlight— pushed through by nothing but the pressure of sunlight—is ...
NASA missed the chance to visit Halley's Comet in 1986 when the famed sentinel swung close to Earth, as it does every 76 years. Luckily for history, the Europeans flew Giotto past it on this day (March 13) in 1986, and some ...
Space Exploration
Mar 14, 2013
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NASA's Near-Earth Asteroid Scout, a small satellite the size of a shoebox, designed to study asteroids close to Earth, performed a full-scale solar sail deployment test at ManTech NeXolve's facility in Huntsville, Alabama, ...
Space Exploration
Sep 28, 2017
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The European union has selected the Finnish Meteorological Institute to lead an international space effort whose goal is to build the largest and fastest man-made device.
Energy & Green Tech
Dec 9, 2010
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