Learn how to make a simple lemon battery and use it as an emergency phone charger in this hands-on science experiment. Watch ...

Wireless charging has become one of those small but satisfying conveniences of modern smartphones. You drop your device on a pad and watch the battery percentage climb without fiddling with cables or ...

We may receive a commission on purchases made from links. These days, it's not uncommon for people to own more than one gadget. In fact, according to the United Nations Conference on Trade and ...