Our motion perception is remarkably well tuned to detect small changes in speed and direction. For example, soccer goalkeepers need to precisely judge the speed, direction, and curvature of an ...

I see you’re a Road Runner fan, Stephen, although one of that small subset that wonders, on seeing Wile E. Coyote deploy a piano, anvil or roadside explosive from Acme Products: Is this technically ...

Gravity doesn’t discriminate. An experiment in orbit has confirmed, with precision a hundred times greater than previous efforts, that everything falls the same way under the influence of gravity. The ...

If you drop an object, it will fall. It's a motion that we’ve all seen hundreds of times. We’ve also all seen plenty of the moon, which makes one complete orbit around our planet every 27.3 days (as ...

A picture of the International Space Station captured by the Space Shuttle Discovery in 2007. Last month, a two-ton pallet of batteries released by the space station in 2021 re-entered Earth's ...

We know “what goes up must come down.” But WHY? "Drop" in to find out! We know “what goes up must come down.” But WHY? Drop in to learn about the gravitational forces like acceleration and air ...