After exploring a few options, I turned my decade-old TV into a smart dashboard. For that, I chose MagicMirror, an ...

Have you ever seen photos of retro movie sets where the cameras seem to be bedazzled with lenses? Of course you can only film ...

If you had an array of high power addressable LEDs, how would you project them onto a wall? Perhaps you’d use a Fresnel lens, or maybe an individual lens on the top of each. [Joo] faced this ...