China has completed full-engine testing of a 220-tonne liquid oxygen-methane engine for its reusable carrier rockets, marking a major breakthrough in high-thrust, high-performance propulsion.

While much of the recent spotlight has been fixed on BYD’s meteoric ascent, another Chinese heavyweight has been quietly building scale and influence of its own. Geely has spent the past few years ...

Apple is actively testing two major rear camera improvements for the iPhone, according to a reputable leaker. The Weibo user known as "Digital Chat Station" claims that Apple is testing a new main ...

A group of scientists will later this year deploy deep-sea landers to test whether metallic rocks on the ocean floor do in fact produce oxygen. The claim, made in 2024 by British marine ecologist ...

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 ...

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 ...

We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

STMicroelectronics' TMOS sensors handle presence sensing using a 5- to 20-µm passive IR sensor. This provides more accurate results as well as information about the distance rather than just a basic ...

Toyota is in a bit of a pickle. Its hybrid fleet helps with emissions, but it's the plug-in hybrids that really make a difference. Fortunately, Toyota makes excellent ones. In this Toyota RAV4 PHEV ...

Among the many problems with the flu is the fact that you can spread the virus before you even know you've got it. An experimental new "sensor" could one day keep you from doing so, by causing you to ...

Flu season is fast approaching in the northern hemisphere. And a taste-based influenza test could someday have you swapping nasal swabs for chewing gum. A new molecular sensor has been designed to ...