Tag: cooling

Joulies - Regulating coffee to the perfect temperature
April 22, 2011

A couple of engineer buddies have designed the latest must-have accessory for the coffee drinker. Joulies are metallic beans you drop into your hot cup of cofee to make it exactly 140 degrees. They haven't even been manufactured yet, but already the project has accumulated some $305,000 in Kickstarter cash. I guess a lot of people are tired of blistered tongues. Each Joulie is a small metal shell filled with a phase-change material that melts at...

Refrigeration Without Electricity
July 26, 2010

Adam Grosser talks about a project to build a refrigerator that works without electricity -- to bring the vital tool to villages and clinics worldwide. Tweaking some old technology, he's come up with a system that...