Once upon a time, I was involved in an abortive attempt to measure the variation of the fundamental constants. Thanks to that experience, I’ve always had an interest in these measurements, so a new ...

Need to know how to measure draw length so your new bow will fit you perfectly. Here's everything you need to know.

, one of the first questions you’ll be asked is: What’s your draw length? If you’re not sure, don’t worry, because the basic procedure for how to measure draw length is super simple: You just hold ...

This may feel like specialist information, but for serious engine builders and home mechanics with a project themselves, checking the pushrod length may be a pain in the neck, but it’s worth doing.

They achieved this by utilising the phenomena of objects moving slower and shortening in length from Einstein's theory of relativity, along with two pieces of gold foil and a micrometre screw. In ...

The big science-y news of last week was the vote to officially redefine of the kilogram-- see the stories in Physics World and Physics Today for more detail--after decades of work by physicists on ...