Curiosity captures a martian day, from dawn to dusk

When NASA's Curiosity Mars rover isn't on the move, it works pretty well as a sundial, as seen in two black-and-white videos recorded on Nov. 8, the 4,002nd Martian day, or sol, of the mission. The rover captured its own ...

Magnetism helps electrons vanish in high-temp superconductors

Superconductors—metals in which electricity flows without resistance—hold promise as the defining material of the near future, according to physicist Brad Ramshaw, and are already used in medical imaging machines, drug ...

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