Charging by conduction engages the contact of a charged object to a neutral object. If a positively charged aluminum plate is touched to a neutral metal sphere. The neutral metal sphere turned into ...

We already charge our toothbrushes and cellphones using contactless technology. Researchers have developed a particularly efficient and cost-effective method that means electric cars could soon follow ...

This news release is available in German. Cables are fast disappearing from our daily lives. The computer mouse has already lost its tail, our telephones and headphones have become wireless – even ...