Trembling aspen leaves could save future Mars rovers

Researchers at the University of Warwick have been inspired by the unique movement of trembling aspen leaves, to devise an energy harvesting mechanism that could power weather sensors in hostile environments and could even ...

US sues California over 'net neutrality'

The US Justice Department on Sunday sued California to force it to abandon a law, passed earlier in the day, to protect "net neutrality" aimed at requiring all online data to be treated equally.

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