Beams of light that can be guided into corkscrew-like shapes called optical vortices are used today in a range of ...

On a whim, she looked at the dots under a microscope and couldn't believe her eyes. Beautiful spiral patterns had been etched into the germanium surface by a chemical reaction. Wong's curiosity ...

It simulated the behavior of the Oort Cloud — a vast, spherical shell of icy bodies at the ... no one suspected these objects ...