Former CNET editor Dong Ngo has been involved with technology since 2000, starting with testing gadgets and writing code for CNET Labs' benchmarks. He managed CNET's San Francisco Labs, reviews 3D ...

Physicists have figured out how to move an object in three dimensions without the need for any physical contact, just by the clever use of magnets. Magnetic Levitation, MagLev for short, is the ...