If you’re scrambling for meaningful, tech-forward gifts that don’t feel last-minute, smart devices are your best bet. They’re practical, easy to gift, and—thanks to ongoing holiday promotions—still ...

Dermatologists explain the science behind wildly popular treatments like red light therapy, which is now available at home—for a steep price. Full-face LED masks like this one can cost up to several ...

Abstract: Curved refractive objects are common in the human environment, and have a complex visual appearance that can cause robotic vision algorithms to fail. Light-field cameras allow us to address ...