As a way to set the mood in his family room, when he
remodeled Joe Peck put multi-color LEDs behind the crown molding. The major
circuit uses a microcontroller and LED drivers located in a closet, and a small
circuit board at each room corner to connect to red-green-blue LEDs. Perhaps
Joe's lights will get you in the mood for something "interesting,"
like submitting your own Gadget Freak circuit!
Prosthetic limbs and other artificial body parts have come a long way in the last 10 to 20 years, and many on the market and under development today can restore nearly the same functions as the human body parts they’re replacing, or even improve them.