When we first wrote about Hyperion's prefab portable hot tub-sized nuclear reactors, we were not convinced, tending to agree with the Los Alamos scientist who said: "This whole idea is loony and not worthy of too much attention." Yet Matt has written since that Hyperion Power Generation Sells Someone on Portable Nuclear Power and Portable Backyard Nuclear Reactors Ready to be Installed by 2013. So maybe it is not so loony.
Get up close and personal with the natural world with these amazing photos.
Use this list to clean without spreading toxic chemicals around your home.
Don't miss the beer-can shingles on this DIY beauty that was built in a day
Photographer Daniel Beltrá's shocking visual journal of the disaster.
Modular design is a new wave in tech, making gadgets greener along the way.
From hermit crab shells to moon bases, 3D printing may remake the world.
Toast your grad's entry into the big wide world with durable, useful gifts.
