Magnetic floating stackers have been recalled over concerns that the magnetic pieces of the toys could be ingested by children, officials said Thursday. According to a news release issued by the U.S.

When two magnets are placed facing each other with the same poles, they repel each other, and if you place one magnet under the other, it is possible to make one magnet float. However, simply ...

What if the strings of a guitar could float, untethered, held in place by nothing but invisible magnetic forces? It sounds like the stuff of science fiction, but Mattias Krantz outlines how he turned ...