One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

Michigan residents may be turning to space heaters amid extreme cold, but experts warn there are dangers involved.

Here’s a look at space accidents that have affected astronauts or other staff related to spaceflight. Accidents that involved unmanned spacecraft are not included. Timeline October 24, 1960 – The ...

Your watch’s VO2 max isn’t perfect, but you can improve its accuracy with better data and heart-rate tracking.

Millions of people rely on wearable devices to monitor how well they're sleeping. Sleep trackers don’t necessarily measure ...

FlexScan FS300-323 1310/1550/1625 model: Offers complete PON testing up to 1:128 ratios with PON dead zones as low as 10 meters. FlexScan FS300-320 1310/1550 model: Offers revolutionary fast testing ...

PHOENIX (AZFamily) — Arizona Department of Transportation officials are installing sensors on some Valley freeway electrical boxes to combat copper wire thieves who have left major interchanges in ...

Pulmonary function tests are a group of noninvasive breathing tests that measure how much air your lungs can hold, how quickly you can move air in and out and how efficiently your lungs transfer ...

My Oura Ring warned me something was wrong - I didn't listen (and quickly regretted it) ...

I tested six popular thermometers and compared their ease of use, reading speed and design, and found two models I’d recommend to anyone for at-home use.

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Colleen Hagerty Colleen Hagerty is a writer focused on emergency preparedness.

Following a thrilling end to the 2025 season, where Lando Norris secured his first Formula 1 world title in a three-way showdown to the wire, it's time to build up to the new 2026 season. In what is a ...