It's the hands-free experience you never knew you needed—a Japanese company has developed a drone-powered parasol it says can hover over users, protecting them from the sun.
Robotics
Jun 6, 2018
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NASA has several satellites that orbit the Earth one behind the other on the same track. They're called the "A-Train" and one of the things they study is tropical cyclones. There are also other satellites outside the A-Train ...
Earth Sciences
Aug 20, 2009
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(PhysOrg.com) -- After nearly 5 years of concurrent operations with the Afternoon Constellation, known as the "A-Train," the PARASOL satellite is going on another orbit "track." The A-Train includes a number of NASA satellites ...
Space Exploration
Jan 4, 2010
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