The scientists chemically coated each graphite particle with a layer of electrically insulating silica. Polyethylene glycol (PEG) helps silica bind to the surface of the graphite. The coated graphite ...
In a chilled lab where temperatures drop close to absolute zero, a speck of magnet hovers in place. This tiny magnet, levitating silently inside a special trap, may hold answers to one of the greatest ...
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