It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in ...
Physicists at NASA and Princeton generate electricity from the Earth's rotation: could wind energy be our energy source of ...
Controlling magnetic states in materials typically requires continuous power or only works in rare, specialized systems. Researchers developed a general theory showing how electric fields can ...
China currently accounts for around 60% of global rare earth mining, according to the International Energy Agency, and about 90% of refining (including ore mined in and shipped from the U.S.). It also ...