The idea of a fan with LEDs that spell out words as it spins is nothing new, but here’s one that’s programmable via USB. Polo Tech from Taiwan has patented a rotating LED fan display technology that ...

We showed you a programmable spinning LED fan last month, but that was just a prototype shown at Computex that might be available sometime next year. Now here’s a lower-end $35 table fan with LEDs ...

Most of us have probably seen simple persistence of vision (POV) displays that rotate a few LEDs on fan blades. Coin Mechanisms Inc. has taken the idea Most of us have probably seen simple persistence ...

If you are a fan of sci-fi shows you’ll be used to volumetric 3D displays as something that’s going to be really awesome at some distant point in the future. It’s been about forty years since a ...