Quantum PI has just built the first motion sensor chip to use "quantum tunneling," which sounds theoretically unsafe, but we'll follow along. The nanoTrek sensors are classified as NEMS (Nano Electric ...

Motion detectors are widely known for their role in home security systems, but their usefulness extends far beyond guarding ...

Vibration analysis is a powerful and non-invasive way to measure, understand, and quantify the internal dynamics of mechanical systems, but the cost of the necessary instrumentation is sometimes a ...

There are a lot of ways to keep your stuff from getting stolen, but legendary DIYer Kip Kay shows us a $2 alarm that will fit on just about anything. All you need for this is some soldering skills, a ...