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Researchers are figuring out how to use a nature-inspired “gecko gripper” technology to solve the mounting problem of space debris.
Researchers use a “gecko gripper” to move and manipulate large objects on a short zero-g flight. NASA / JPL / Aaron Parness
Watch your backyard closely on a warm Florida morning, and you can see geckos climbing the fence to greet the Sun, looking for an insect snack before the mid-day heat sets in. The same gripping technique that geckos use to scale smooth surfaces such as fences could soon be grappling with space junk in orbit.
Hao Jiang (Stanford University) and colleagues recently proposed using “gecko grippers” to grab space debris in an effort to clean up near-Earth space. The concept was published in the June 28th Science Robotics.
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The moon: This week, 14 to 17th, and March 15-18 before 10 PM is the best time to view the moon this year until the autumn. The sun will be striking it at just the right angle for optimum viewing of mountains and craters. Even binoculars on a tripod will show a lot of detail. Copernicus is a favourite target for many amateur astronomers, and this is the best time to see it. http://observethemoonnight.org/
Space Debris: Wherever we go, we leave our garbage behind.
Almost 20,000 pieces of space debris are currently orbiting the Earth. This visualisation, created by Dr Stuart Grey, lecturer at University College London and part of the Space Geodesy and Navigation Laboratory, shows how the amount of space debris increased from 1957 to 2015, using data on the precise location of each piece of junk ( from https://www.space-track.org ).
