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Space Junk Jeopardizes Earth’s Space Environment

Posted April 24th, 2017 at 4:15 pm (UTC-4)
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Scientists estimate that there are some 750,000 pieces of space junk circling Earth, millions more if you count fragments smaller than 1 centimeter. Think about it: Mankind has sent thousands of rockets into space since the launch of the first satellite, Sputnik 1, in 1957. While a number of space vehicles are still in active […]

Robotic Arm Has Split-Second Timing

Posted May 12th, 2014 at 6:09 pm (UTC-4)
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Swiss scientists have developed a robotic arm that can catch items thrown at it with split-second accuracy. Researchers say the new invention, described in IEEE Transactions on Robotics, catches various sized objects within 5/100 of a second. The mechanized arm has three joints, a complex and sophisticated hand with four fingers, and measures about 1.5 […]