It’s possible to defy gravity using sound waves, magnets or electricity, but today’s methods can’t hoist heavy items high in ...
For nearly 20 years, physicists and engineers have chased the idea of invisibility. Early efforts focused on hiding objects from light using so-called metamaterials with extreme and often unrealistic ...
Magnets are a lot more than just refrigerator decorations or components in science kits. These fascinating objects, which have been known since ancient times, are central to a wide array of ...