If you build engines, tune cars, or even just like mashing your foot on the throttle with conviction, you’ve probably heard ...

You are taught early in science that oxygen on Earth comes from sunlight. Plants, algae, and cyanobacteria use light to split water and release oxygen, shaping the atmosphere and making complex life ...

CNET’s expert staff reviews and rates dozens of new products and services each month, building on more than a quarter century of expertise. Air quality infamously drops as the days grow cold and we ...

The Energy Meter for Home Assistant is an ESP32-S3-based single-phase energy monitoring and control module designed to work with Home Assistant via ESPHome. It measures real-time power and energy ...

Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread chasers can save your DIY project.

Ready, aim, fire—the latest health trackers use sensors to check your urine for proper hydration, ketone levels, and possible ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxemia) give ...

Circadian rhythms are endogenously generated rhythms that occur with a periodicity of around 24 hours. There is an intimate link between the disruption of circadian rhythms and cancer. The circadian ...