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 ...

I've reviewed security systems from all major brands. Here are my most important recommendations when you're ready to set up your own.

American Lung Association report focuses on improving community-based air monitoring in high pollution areas; the PurpleAirs in Schools Program in Montana serves as potential blueprint for other commu ...

The American Red Cross is urging residents to test their smoke alarms this weekend as they set their clocks forward for daylight saving time on March 8.

Rachel is a freelancer based in Echo Park, Los Angeles and has been writing and producing content for nearly two decades on subjects ranging from tech to fashion, health and lifestyle to entertainment ...

One of the most deadly and dangerous volcano hazards isn’t lava. Mudflows called lahars can come without clear warning.

Knocking up a cleanroom isn't as hard as you might think, the rest of the job, ...

If the sustainable-chemistry world has a holy grail, it’s turning carbon dioxide from threat into feedstock. And two start-ups are reporting advances in their quest to make CO 2 ...

Fire officials are reminding residents to use the start of daylight saving time to check and replace the batteries in their smoke detectors after a house fire in Libertyville and an apartment fire in ...

Fire officials say working smoke alarms are critical to giving families time to escape during a fire.Residents are encouraged ...

On "Florida Matters Live & Local," we discuss why Hillsborough County schools are adding vape detectors in high schools and how it works.