Researchers at the National High Magnetic Field Laboratory in Tallahassee, Florida, have pushed a palm-sized superconducting coil to 42 tesla, placing a device small enough to hold in one hand within ...

NEW YORK, May 19 (Reuters Life!) - Have something stuck in your arm? If it's metal and hidden under the skin, doctors might be able to use an ordinary magnet to find it, according to a case report.