Floating levitating globe Discover how magnetic levitation technology powers floating globes and other science gadgets that appear to defy gravity. This explanation breaks down the principles of ...

Star Trek is regarded as a cornerstone of modern science-fiction television, and these five gadgets have become just as iconic as a result.

With the new iPad app, users can make video and audio calls with up to 32 participants, share their screens, and switch between front and rear cameras ...