I’m a sucker for tools that measure things, especially when they offer a great deal of precision. Or, better, accuracy, for accuracy is how closely a measurement conforms to reality, and precision is ...

The recommended calibration intervals are between six months and two years, depend on the operating conditions and can be ...

If you've ever done even the most basic construction or DIY project, you've used a tape measure. What other way are you going to find the distance between two points, a crucial part of virtually any ...

Nanotechnology researchers at UC Davis have shown that they can use a red blood cell to calibrate a sensitive instrument, an atomic force microscope. "It turns around the rules of nanotechnology, by ...