Sweat can serve as a real-time source of information about the body's current state. For example, wearable sensors designed ...

What is a Quality Assurance Project Plan (QAPP)? A QAPP is a written document that explains how organizations ensure – using quality assurance (QA) and quality control (QC) activities – that the data ...

My daughter's Toyota RAV4 had a check engine light come on. We hooked up a scan tool, and it said the catalytic converter was ...

In March, I accompanied an international team of scientists on an expedition to one of the deepest places that humans have ever visited, a few hours outside Johannesburg, South Africa. Before sunrise, ...

Replacing a faulty oxygen sensor typically costs between $200 and $500, depending on your vehicle type, sensor location and whether you choose DIY or professional installation. Replacing an oxygen (O2 ...

While the DJI Osmo Pocket 4P has only been officially unveiled in China, PetaPixel has been testing the device ahead of embargo and can exclusively share some key details about the dual-lens gimbal ...

ADELPHI, Md. – Army scientists achieved a major milestone in quantum sensing technology that could transform how electromagnetic signals are detected on the battlefield. For the first time, scientists ...

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 ...

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that when iron is scarce, phytoplankton waste energy and photosynthesis falters.

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 ...

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 ...