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 ...

I live in New Jersey, one of the states that mandates inspection for all vehicles newer than 1995. My daily driver, a Jeep Cherokee, happens to be a 1996 model year with an OBD-II sensor, meaning I ...

Brazilian researchers built a sensor from cork that uses a laser to spot sodium nitrite in common drinks. It can detect amounts as low as around 1 milligram per liter, which is about one fifth of the ...

Researchers at the University of Arkansas and the University of Michigan have reported the first use of ultra-low power temperature sensors using graphene-based solar cells. The test is the first ...

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OnePlus is readying to launch its latest flagship phone in the international markets. This one’s got the looks, plenty of firepower, a huge jump in battery tech, and a fast OLED screen with some ...

While it's certainly important to monitor the condition of paved roads, keeping an eye on the surface will only tell you so much. You also need to know what's going on with the underlying asphalt, ...

Diagnosing diabetes could soon be as easy as breathing. Researchers at Penn State have developed a sensor that detects acetone in breath, offering a fast, inexpensive way to identify diabetes and ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

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, ...