The Discovery Center Museum in Rockford is teaching visitors how to make a sundial, an ancient tool used to tell time using the sun.

When you shine a flashlight into a glass of water, the beam bends. That simple observation, familiar since ancient times, ...

Cold atoms could also potentially measure much lower vacuum pressures than ion gauges can. The current lowest pressure they’ve reliably measured is around 10 -9 Pa, and NIST scientists are working on ...

I pieced together an exercise for each muscle group, sandwich that between a warmup and a cooldown, and tack on those 30 ...