Zuckerburg Joins the $200B Club

Mark Zuckerberg just leveled up in the billionaire game, becoming the world's second richest person and bumping Jeff Bezos and Bernard Arnault down a notch!
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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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