America already mines all the critical minerals it needs for energy, defense, and technology, but most are being wasted as mine tailings. Researchers discovered that minerals like cobalt, germanium, and rare earths are discarded in massive amounts, even though recovering just a fraction could eliminate U.S. dependence on imports. ​America already mines all the critical …

America is throwing away the minerals that could power its future Read More »

Using laser light instead of traditional mechanics, researchers have built micro-gears that can spin, shift direction, and even power tiny machines. These breakthroughs could soon lead to revolutionary medical tools working at the scale of cells. ​Using laser light instead of traditional mechanics, researchers have built micro-gears that can spin, shift direction, and even power …

Scientists build micromotors smaller than a human hair Read More »