Evaporative cooling: low tech method good for Facebook’s high tech facility

Michael Giberson Earlier in the week I discovered this Household Hacker video “Flower Pot Fridge” courtesy of a Energy Circle blog post with the appealing title, “How to cool your beer without electricity!” Simple! All you need is a pair of flower pots (one slightly smaller than the other), some sand, a damp towel, and … More Evaporative cooling: low tech method good for Facebook’s high tech facility