diy air conditioner This is freakin' brilliant!! Coiled copper pipe, attached front and back to a fan, filled with water and attached to an aquarium pump (flexible aquarium tubing used for the length that would move when the fan oscillates). The litt
From National Geographic. Hoarfrost settles on a moor along the border of Espace Rambouillet, a wildlife reserve near Paris, France by Nicolas Le Boulanger