I actually wrote about this over a decade ago, but I found myself thinking about this once again, the fact that, in 1972, the ...

Scheme illustration of object identification and all-optical 3D reconstruction system. (a) A contour surface image of the object can be obtained in a single processing of the system. (b) High-contrast ...

Floating displays you can reach into and manipulate, like the ones Tony Stark uses to design his super suits in the Iron Man movies, are one step closer to reality. A new device renders 3-D graphics ...

The basic lantern object is made by cutting a polymer sheet into a diamond-like parallelogram shape, then cutting a row of parallel lines across the center of each sheet. This creates a row of ...