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Athlete’s Cap Sends Out Alerts About Head Injuries

Monica Rozenfeld

Research shows that repeated hard knocks to the head during impact sports can cause long-term brain injury. But it can be hard for coaches watching from the sidelines to tell how hard a blow really was.

That’s why Roozbeh Ghaffari, cofounder of MC10, helped develop a skullcap to be worn alone or underneath a helmet that detects how hard a player’s skull is hit. Depending on the severity of the impact, different colored LEDs light up on the back of the cap for all to see.

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