stackyFACTS
Travel

Why subway platforms feel so hot

HERE’S THE INTERESTING PART

You might blame the dense crowds, but the suffocating warmth on an underground platform is mostly generated by massive metal trains grinding their friction brakes to a halt hundreds of times a day right next to your face.

Why subway platforms feel so hot
STACKY / Travel
One discovery leads to another.

Keep exploring facts in this topic.

Travel →
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
ONE MORE DISCOVERY?

Keep exploring

All in this topic →
StackyMore discoveries in the app
Download on the App Store