Why it matters: O2 sensors feed critical data to your ECU, helping maintain the ideal air-fuel ratio for performance, efficiency, and emissions control. Reading the signals: Healthy upstream sensors ...

The ionosphere is of great importance to shortwave radio transmissions, since it allows radio waves to be refracted and ...

A team of researchers from Argonne National Laboratory, the Pritzker School of Molecular Engineering at the University of Chicago and the University of Wisconsin-Milwaukee, has devised a pathway for ...

06:30, Thu, Apr 16, 2026 Updated: 06:30, Thu, Apr 16, 2026 I love the cinema. It feels like a relic of the past in a way. It’s one of the only spaces left that feels like a true escape from the ...

In 2026, the gap between professional diagnostics and DIY capability has narrowed significantly, thanks to a new generation of Bluetooth OBD2 scanners and smartphone apps that cost less than a tank of ...

Examine Saldivar’s interpretation of events that ended in Selena Quintanilla Perez’s death and her claims that everything wasn’t as it seemed.

Dive into The Register's online archive of incisive tech news reporting, features, and analysis dating back to 1998 ...