You know how people talk about Apollo 11 using less computing power than a washing machine*? Well, Curiosity uses less energy than two light bulbs (that's 110W)!

* http://www.guardian.co.uk/science/2009/jul/02/apollo-11-moon-technology-engineering
Curiosity Rover and Nuclear Power.

The Curiosity rover runs on batteries. But, instead of being charged by solar panels, they are charged by a nuclear generator. The nuclear generator also provides heat to the internals of the rover.
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