One Christmas Eve some dummy set a candle in a pizza box on a very expensive conference table and forgot about it until he smelled smoke. Lucky for him David...
Right below your feet is a source of renewable energy that is largely untapped. It heats groundwater by conduction and convection as it travels toward the su...
In the wake of British Petroleums oil spill causing such environmental and economic damage, the need for alternative energy sources has never been greater. N...