Musk Combines A.I. And Rockets into a $1.25 Trillion Mega-Merger

Musk's SpaceX has acquired AI startup xAI, also owned by Elon, in a record-breaking merger valuing the combined deal at $1.25 trillion.
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Can NYC Finally Cool Its Subway?
Why is the NYC subway platform so hot? One rider built his own sensor network to find out. We explore the geothermal fix the MTA is piloting right now.
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