Forget plugging in. Ampy stores up battery power by converting your movements into energy so you can charge your gadgets with the power of motion. Freelance writer Amanda C. Kooser covers gadgets and ...

Pretend, for a moment, that heat is visible, that our naked eyes can see the infrared rays shedding from objects all around. At closest range, we observe the incessant buzzing of molecules—vibrating ...

Energy, or the potential for creating it, is all around us. It is being tapped at an incredible rate from sources that are naturally replenished, such as sunlight and wind. But there is one other ...

Energy plays a tremendous role, not only in our technology-rich daily lives, but in fundamental physics as well. The chemical energy stored in gasoline gets converted into kinetic energy that propels ...

April 10, 2009 The United States has about 250 million registered vehicles, which adds up to a lot of pollution and burning of fossil fuels. New Energy Technologies, Inc. prefers to look at it another ...

Friction is an intrinsic physical phenomenon to curling. Without it, objects in motion would move endlessly, without slowing down. This would cause many safety-related problems: Cars or trains could ...

Flywheels handle short power spikes better than batteries alone; Quint pairs units with sodium-ion batteries for sustained ...