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Explainer: What is microgravity?

It's easy to assume that astronauts float in space because they are far away from the Earth's gravitational force. But look at the moon. It is much further away than the International Space Station, yet it orbits around the ...

dateApr 27, 2016 in Space Exploration
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How to fall gracefully if you're a robot

Miss Georgia tripped in the final round. Jennifer Lawrence stumbled on her way to accept an Oscar. Even rock stars, world leaders and presidential candidates have fallen in front of the crowd or completely off stage.

dateOct 14, 2015 in Robotics
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Satellite images keep tabs on fall foliage

Catching the fall foliage at its peak in the United States just became a little easier, thanks to the work of senior scientist Xiaoyang Zhang of the Geospatial Sciences Center of Excellence at South Dakota State University.

dateNov 03, 2014 in Earth Sciences
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