Well, if you are teacher [Ethan Hunt], you have your students design and build a solid-state mini refrigerator that can beat his prototype fridge. The prototype uses a Peltier effect module to get ...

Ever play with a Peltier plate? They’re these really cool components that kind of look like a ceramic sandwich, and when you put power into them, one side gets hot, and one side gets freezing cold!

The introduction of the Peltier module enables the refrigerator to function like a hybrid car, by using two power sources together only when needed to efficiently cool the inside of the fridge." ...