Tech companies like Google and Microsoft have been working on augmented reality (AR) wearables that can superimpose images over your field of view, blurring the line between the real and virtual.

I included an image of the projection demo (Fig. 2), but you need to watch the video to actually see it because of the vector nature of the presentation. The laser is used to draw an image, so only a ...

If your school in the 1980s was lucky enough to have a well-equipped computer lab, the chances are that alongside the 8-bit machines you might have found a little two-wheeled robot. These machines and ...