How do you keep a few sodas in your classroom cool? 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 Peltier chip (TEC chip) is a thermo-element that utilizes the Peltier effect to implement a heat pump. It has two plates — one cold and the other hot. Between the plates, there are several ...

[Charles] uses Chip Quik to solder his SMD parts, and that stuff can keep for more than six months if it’s kept cool. His wife banned all non-food items from their refrigerator, so he had to think ...

I'm considering building a reasonably large peltier-based cooler for camping purposes. Has anyone messed around with these? I'm considering using either 2" or 4" of blue foamboard insulation (R10 or ...

In Part 1, we did an overview of the general concept of the Peltier device. In this installment, we are going to continue the discussion around controlling the device and some initial packaging. For a ...