Understanding how oxygen sensors work will help you diagnose problems without having to rely completely on a repair shop. Oxygen sensors act as low-voltage producers, such as how a microphone uses ...

Studies found that pulse oximeter devices are less accurate for dark skin tones. Apple is facing a proposed class action lawsuit alleging the Apple Watch's blood oxygen sensor is racially biased ...

NEW YORK — Apple is facing a proposed class action lawsuit alleging the Apple Watch's blood oxygen sensor is racially biased against people with dark skin tones. Experts say accuracy problems have ...