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Trump's Deputy CTO on immigrant workers 02:27
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After Opportunity, now what? An unpowered inflatable craft using thermal updrafts to stay aloft could cost-effectively map less-documented parts of the planet’s surface to help plan lander missions.
Spoiler: coders wanted! And a chance to win more than $2 million in cash prizes
This week’s most thought-provoking papers from the Physics arXiv.