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 ...

Countries are increasingly embracing the controversial practice of cloud seeding as global water demand continues to rise. Iran recently sprayed clouds with chemicals as part of a push to boost ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Tim Heffernan Tim Heffernan is a writer who covers air and water quality and ...

Water can be such a destructive force in the home that, often, the thought of an undetected leak keeps me up at night. And for me, it's not an unfounded fear. I've had suspicious plumbing under ...