Holograms are a difficult thing to create. There are a ton of different techniques to approximate a 3D image, many involving glass or mirrors, but few create a true three-dimensional moving image.

Holograms are undoubtedly spiffy-looking, but they're not exactly cheap; even a basic holographic projector made from off-the-shelf parts can cost thousands of dollars. MIT researchers may have a ...

Ever since we first watched Star Wars, and saw the scene in which R2-D2 beams a hologram of Princess Leia into thin air, we’ve dreamed of having our own 3D-holographic projector. Thanks to scientists ...