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.

[Alexy Sha] has done this fantastic hack, where he modified a magnetic floating globe to be motorized and spin on a tilted axis. The original globe was simply levitating via a magnet mounted inside.

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 ...