New Sensors Help Determine Whether Food Is Still Fresh

04:52

June 22, 2016

Greg Kenning’s discovery of a new way of detecting food freshness was completely accidental. “This was a pure discovery. We weren’t looking for this,” he says. (Photo/Kara Holsopple)

Many Americans rely on sell-by dates to determine when to throw out milk. But, it turns out they could be dumping perfectly useable milk. The Allegheny Front’s Kara Holsopple reports that a physics professor believes he has developed a better way to tell if food is fresh, and is taking it to market.

Reporter

Kara Holsopple, reporter and host of The Allegheny Front. She tweets @karahosopple.

This segment aired on June 22, 2016.