Researchers have developed a new method for flexibly creating various needle-shaped laser beams. These long, narrow beams can be used to improve optical coherence tomography (OCT), a noninvasive and ...

Researchers at Washington University in St. Louis recently invented a technique for generating ultrasound waves that can self-bend, like the rainbow. Airy beams are a class of acoustic waves that move ...

Every cat owner knows how their feline companions delight in chasing a tiny pinpoint of light from a simple laser pointer. Now, Brazilian physicists have figured out how to trap and bend laser light ...