If you buy something using links in our stories, we may earn a commission. Learn more. Equations relating speed and mass go back to Newton and beyond. But after I got geeky with an equation for ...

In my recent post about calculating the speed of light, I mentioned Ole Roemer's calculation in 1676. The basic idea uses the orbit of one of Jupiter's moons. The orbital period is constant, but there ...

NPR's Adam Cole demonstrates a science experiment that offers a new use for old Peeps. All you need is a ruler and a microwave. Peep Show: Watch Us Calculate The Speed Of Light With Stale Easter ...

Max and Phildog hit the shooting range this weekend to see if they could accurately measure bullet speed using Audacity. Using Audacity to examine the wave form they can determine the time between the ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

A set of ancient Babylonian tablets that describe how to track Jupiter across the sky have revealed an astronomical technique 1,500 years ahead of its time. Jupiter's erratic pace across the sky — ...