[ad_1] One of the primary tasks for NASA engineers is figuring out how to seal and sterilize the sample container without obliterating important chemical signatures in the rock cores inside. Among the techniques the team is currently testing is brazing, which involves melting a metal alloy into a liquid that essentially glues metal together. Brazing
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[ad_1] On an afternoon in early September, Carnegie Mellon University was busy with students even though it was raining outside. The grounds of the school on Forbes Avenue in Pittsburgh, Pennsylvania, were different than they were in September 2020. Last year, the university was empty after COVID-19 restrictions kept most students home. Students walking on
[ad_1] We want to bring something back from Mars. That’s the thinking behind a programme so ambitious that it will take two space agencies and several missions to pull it off. To find out what’s at stake, and how we’ll get a sample from the Red Planet, we spoke to ESA’s Dr Albert Haldemann. He’s the