Tom's Hardware on MSN
NASA pushes Mars helicopter rotors past the speed of sound for the first time ever
Rotors spin 10 times faster than modern helicopters.
The universe looks like it is mostly empty space. Remove the stars, planets, dust, and gas, and what remains is nothing at all. Physics tells a stranger story. The vacuum is not truly empty. It is ...
Navigating in a microgravity environment is a challenge even for trained human astronauts, but it is even more challenging for autonomous robots, limiting their use in places like a space station. Now ...
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