Huge metropolitan areas like New York or Tokyo regularly suffer from extreme summer heat because the dark asphalt of the roads absorbs the sunlight ... more

A human body generates between 60 and 100 Watts of energy, about the same amount given off by an average light bulb. Around 250,000 of those walking ... more

Regenerative braking is a method to generate energy. A vehicle is slowed down by converting its kinetic energy into electricity, which can be reused ... more

Besides being part of a healthy diet, lemons, potatoes, apples, or any other acidic fruit or vegetable make tolerable batteries - although you would ... more

“No pain, no gain” is a well-known mantra for gym users. In green gyms, the mantra should be “no pain, no power”. Bikes, treadmills, or elliptical ... more

Nightclubs, their sound systems and lightshows are greedy consumers of electricity. But now, the clubs’ dance floors are excellent places to generate ... more

In 2008, scientists from CEA/Leti-Minatec, a research institute specializing in microelectronics in Grenoble, France, developed a system that is able ... more

A golf player needs a lot of energy to swing the club. This immense kinetic energy could be harvested, and stored for later use. Freelance concept ... more

When researchers from the electrical components manufacturer MagCap Engineering in Massachusetts, USA, hammered wire-attached nails into tree trunks, ... more