OpenAI's IPO Countdown Gets a $7 Billion Boost

OpenAI has completed a $7 billion secondary share sale, giving current and former employees and other shareholders a chance to cash out.
More Videos
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.
Load More