Tinder Hot Box Solar Fire Starter - When the sun is shining, this simple little device will start a fire in a matter of minutes with no moving parts, fuel, or batteries to worry about. The tinder box is also airtight and watertight so your firestarting ma
This glass sphere might revolutionize solar power on Earth. German architect André Broessel, of Rawlemon, has created a spherical sun-tracking solar energy-generating globe — essentially a giant glass marble on a robotic steel frame.
This is the single most amazing and useful list of DIY, crafting, home improvement, home decor projects I have ever seen. So many new ideas I'd never heard before. 42 Ingeniously Easy Ways To Hide The Ugly Stuff In Your Home