Interesting Engineering on MSN3h
Europe unveils mini nuclear system for moon rovers on extreme lunar missions
The RPS uses two Stirling engines to convert the heat generated by the decay of Plutonium-238 (Pu-238) into electricity.
NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year
NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.