There’s a lot to admire about LED matrix projects, which more often than not end up looking really cool. But most of them rely on RGB matrix panels sourced from the surplus market, and while there’s ...

Sometimes all that’s required to build something interesting is to put the same old pieces together differently. [Sayantan Pal] did this for the humble RGB LED ...

General Motors has received a patent for a fascinating self-cleaning technology that could eliminate the annoyance of smudgy fingerprints all over touchscreens. It's a photocatalytic system, triggered ...