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Alarmed by Climate Change, Astronomers Train Their Sights on Earth

By Katrina Miller and Delger Erdenesanaa from NYT Science https://ift.tt/DVdbH1Y via IFTTT

Martian rock-metal composite shows potential of 3D printing on Mars

Martian rock-metal composite shows potential of 3D printing on Mars
A little Martian dust appears to go a long way. A small amount of simulated crushed Martian rock mixed with a titanium alloy resulted in a strong high-performance material in a 3D-printing process that could one day be used on Mars to make tools or…

Read more at nsf.gov

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