Don't like scammers? You won't like burglars either. See your best security system. Glass break sensors use sound or vibrations to detect breaking glass. Sensors range from simple mechanical switches ...

Coolant level sensors may seem small, but they guard against big failures. In this Fun with Fundamentals entry, we break down how these devices keep engines—and engineers—from losing their cool. On a ...

Recently I came across some non-contact liquid level sensors and gathered them out of curiosity. They have been available in the market for the past few years, but this time I was lucky enough to get ...