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 ...

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.

Scientific discovery doesn’t always require a high-tech laboratory or a hefty budget. Many people have a first-rate lab right in their own homes – their kitchen. The kitchen offers plenty of ...