From the first stereoscope invented back in the Victoria time to the latest Oculus Quest 2, the advances in optics and electrical engineering are gradually blurring the boundary between virtuality and ...

The online marketplace now requires computerized creations from 3D printers, Cricuts, and CNC machines to be original designs, but it's not clear how the site will enforce the new rule. Millions of ...

Ultrasonic sound waves have been used to levitate objects in crowded rooms to make hologram-like displays. Such acoustic levitation was previously only practical in empty spaces, but a new algorithm ...