A knock sensor is an engine management component in modern internal combustion engines. It is designed to detect the sound of knocking or pinging in the engine, indicating an engine problem such as ...

There are a million and one things that could go wrong with a car engine. In old times, it was solely up to the owner and/or technician to drudge through possible issues until they determined what was ...

Topaz, quartz, tourmaline, and other materials are capable of producing electricity when they experience vibrations. These are called piezoelectric materials. This brings us to the subject of today's ...