Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. Sports arenas across  the United States could soon have a new, jiggly way to measure the excitement of a game. Jell-O, the company most known for its physics-defying gelatin dessert, is introducing a device it says can calculate fan intensity in a stadium and then visually represent that data in real time as a jiggling mass of Jell-O. The rowdier the crowd gets, the more the Jell-O jiggles. The company is calling its bizarre invention the JELL-OMETER. It’s already been used at a professional hockey game in New York and is expected to be on its way to other stadiums soon. Anyone who has been to a sporting event has likely seen messages on the jumbotron urging fans to “Get Loud” and cheer. Those systems typically use decibel readers to measure sound. The JELL-OMETER takes a different approach and tries to measure fan energy instead. The company claims the device uses “proprietary plate-sensing” technology to capture sound pressure from the …