CU Boulder researchers have built high-performing optical microresonators, opening the door for new sensor technologies. At its simplest form, a microresonator is a tiny device that can trap light and ...

ADOT is taking steps to handle a crime that has been a problem in Arizona for decades. Congressman reveals what he saw in the unredacted Epstein files Satellite image reveals giant crack in one of ...

If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard the term “wideband O2 sensor” being thrown around at the track, dyno ...

If you have an Apple Watch Series 9, 10, or Ultra Watch 2 that you bought in the US in the past year, you'll finally get the blood oxygen sensing feature back via a software update later today, ...

Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to 20mA ...

At the end of 2023, Apple had to briefly stop selling Apple Watch Series 9 in the US due to a legal battle with Massimo. At the time, the US International Trade Commission ruled that Apple infringed ...

We may receive a commission on purchases made from links. Modern cars are designed to be more efficient and eco-friendly than ever. Automakers build vehicles with a wealth of advanced features to not ...

Don't let failing oxygen sensors compromise your engine's performance. O2 sensors are critical to emissions control on your car, SUV or truck. As the name implies, the O2 sensor (also called an ...

An interesting look behind the scenes of the court battle between Apple and health tech company Masimo reveals that jailbreaking an iPhone re-enables blood oxygen measurement on an Apple Watch. The ...

Apple has been selling the Apple Watch Series 9 and Apple Watch Ultra 2 without the blood oxygen monitoring feature in the U.S. since mid-January, and while we've suspected Apple would be able to ...