Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. This helps, sort of, but as more numbers get thrown around, it can get ...

Speaker one We’ve been using Sir Isaac Newton’s theories for hundreds of years and still use his equations today. Now, how can we test Newton’s second law using equipment found in our laboratory?

Any football fan knows that one of the most exciting plays on the field is the sack, which occurs when the quarterback (or whoever is acting as the passer) is tackled behind the line of scrimmage ...

If you push an ordinary ball, it moves away from your hand. No surprise there. But if you pushed a ball with negative mass, it would actually accelerate backwards, moving towards you instead. It might ...