electricity-free heating, Tag

Green design will save the world, and this year designers went all out with an incredible range of innovations. Sada brought us an incredible hubless folding bike while Klemmens Torggler introduced the world to an origami-like...

Can you heat your room for just 10 cents a day? Egloo can. Egloo is a clever little heater that harnesses candle power to heat a room without wasting electricity. Egloo works by concentrating the heat from the flame of...