If you happen to be in the market for a small artificial sun, you may be interested to know that for about $1300, you can get ...
At first glance, it may look like [Rybitski]’s 7-segment RGB LED clock is something that’s been done before, but look past ...
A lot of making goes on in this community these days, but sometimes you’ve just gotta do some old fashioned hacking. You ...
Blue light is a high-energy part of visible light from the sun, screens, and light-emitting diode (LED) bulbs. Your cornea and lens don’t block blue light the way they block ultraviolet (UV) rays.