Two MIT researchers are working on creating "smart sand," a system in which people can bury a small object, then, moments later, pull out a 3D duplicate of that object, created out of the particles.

Adobe Photoshop offers users a variety of methods for cutting out objects from images. The method you choose to accomplish this depends on the complexity of the object. The Lasso and Magic Wand tools ...

A 3D-printing technique can incorporate invisible tags into objects. The process could be used to create tags with the convenience of QR codes without the unsightly appearance, as well as to turn ...