COMSTOCK PARK, Mich. — Meteorologists all over the world use a wide variety of instruments to measure things like temperature, air pressure, humidity and a host of other variables. In Tuesday's ...

A common refrain I am hearing from executives these days is that we have seen more change in the past six months than we have in the past six years. It is not just the magnitude of change; it is also ...

And that is absolutely 100% accurate, with no measurement errors. But Jack, I hear you say, what are you talking about? The reason we know that that's exactly the speed of light, is that we defined it ...

When Galileo's name comes up, most people think about his contributions to observational astronomy. However, he did lots of other stuff including investigating the speed of light. During his time, ...

You probably know the speed of light is 299,792,458 metres per second. What does that mean in layman's terms? According to At-Bristol's Ross Exton, you can prove the speed of light... using chocolate.

There’s a simple way to measure the speed of sound. It’s low tech and unimpressive, but you get to blast an air horn. How many times can you say that you’re using one for science and not sheer ...