How Ocean Currents Work

It's easy to overlook the importance of ocean currents - they move along out at sea, while we stay mostly on land. But we are globally affected by them every day. Currents form the base of the food chain, drive weather and keep life as we know it going.

5 Emerging Green Technologies to Watch - #2: Any Kind of Turbine

Our Dutch friends were onto something, not just with those wooden shoes (which, any serious clogger can tell you are the best), but with the whole windmill thing. Rather than milling grain, though, forward thinkers took the concept of using a rotating turbine to create electricity.