Lumin Fitness Wants to Use A.I. to Enhance Your Next Workout

This gym is working to expand the fitness market by using A.I. as a tool, not as a replacement for human trainers.
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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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