Palm-cooling devices—designed to help humans bounce back quickly from exertion and heat stress by chilling their palms—are showing up on sidelines, in training camps, and wherever the heat is on.Palm-cooling devices—designed to help humans bounce back quickly from exertion and heat stress by chilling their palms—are showing up on sidelines, in training camps, and wherever the heat is on.
What Are Those Weird Devices Basketball Players Are Holding? from Wired Ben Dowsett
