“DISC, or "Delays to Influence Snack Choice,” … is a platform inserted inside a vending machine that catches snacks falling from the top half of the machine, where a vending machine operator would ...
When buying treats from a vending machine, we often have the opportunity to choose between unhealthy and (relatively) healthy snacks. Doritos or popcorn? Snickers or a granola bar? Peanuts or ...
If you wanted a bag of Doritos from one of Brad Appelhans' experimental vending machines, you'd have to wait. The associate professor of preventative medicine at Rush University Medical Center ...