In this video I'm building an Arduino Heart Rate Monitor that is housed in a toy handle in the style of the Star Trek Tricoder. The device uses the PulseSensor with an Arduino Pro Mini and an OLED ...

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 a tennis-ball-sized LED array that outputs 120,000 lumens.

When it comes to making things that glow, there are two ways to stand out from the crowd. You can make something very big, or something very small. [DIY GUY Chris] has done the latter, producing a ...

About 70% of hospital IT pilots fail or face major challenges, according to research from the Standish Group. But it is very rare for hospitals to discuss these setbacks or share studies of ...

You can buy all kinds of conventional clocks that have hands and numbers for easy reading. Or, like [Fabio Ricci], you could build yourself something a little more esoteric, like this neat shadow ...

An implantable bioartificial kidney being developed by The Kidney Project – a nationwide collaboration led by Bangladeshi American Professor Shuvo Roy of U.C. San Francisco and Dr. William Fissell of ...