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 ...

The Project-o-scope can be charged by induction by bringing a charged rod close to it and touching the metal disc with a finger. The Project-o-scope will deflect its needle in response. As with most ...

Audiotape is an ancient technology once used to record and play back music. But while it might be obsolete in Justin Bieber's eyes, audiotape is still perfect for learning the difference between ...

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 ...

In the first two parts of this series, we briefly looked at battery-swapping technology and conductive charging using pantographs or electric rails. They both have pros and cons, but in the near ...

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 ...