This time he’s come up with a wind-powered pump to move air through a hose to a modified scuba mask. The wind turbine’s blades look professional but you’ll be surprised to see that they’re ...

Ancient mariners used sails to capture the wind. Farmers once used windmills to grind their grains and pump water. Today, more and more wind turbines wring electricity from the breeze. Over the ...

Heat pumps run on electricity instead of gas. They warm buildings by absorbing and amplifying heat from the air, ground, or water ... clean sources, as wind and solar power replace polluting ...