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 ...

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 ...

With the release of watchOS 11.6.1 and companion iOS 18.6.1, Apple managed to restore blood oxygen readings for U.S. owners of Apple Watch Series 9, Series 10, and Ultra 2. The method is slightly less ...

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 ...

I have a dashboard that has 11 temperature sensor cards on it. Some cards whilst showing their line data they are also showing the data of the previous graphs card. Below are two screen grabs of the ...