Boise State University

Questions by Kids: ‘What are magnets made of, and how do they work?’

Today, materials scientist Peter Mullner answers a child’s question about magnets: ‘What are magnets made of, and how do they ...
Southeast Missourian

Magnet lets brain surgeons work without a drill

WASHINGTON -- Dr. Demetrius Lopes snaked a thin wire with a tiny magnet on its tip into an artery in Paul Kelsey's groin and threaded it all the way up into his brain. Aided by a helmet-shaped magnet ...