Today, materials scientist Peter Mullner answers a child’s question about magnets: ‘What are magnets made of, and how do they ...
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 ...
Magnets could make bulky centrifuges obsolete in space oxygen systems. Scientists have developed a more efficient way to ...
More than 60 years ago, a woman with no advanced training in mathematics created a theory about planetary magnetic fields. Her name? Donna Elbert. Her job? A human “computer” working for famed ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback