Physicist Markus Aspelmeyer vividly remembers the day, nearly a decade ago, that a visitor to his lab declared the gravitational pull of his office chair too weak to measure. Measurable or not, this ...

Some people watch science fiction shows to be entertained, and that's fine. But you can also use them to find excellent physics problems. How about the recent Netflix movie Stowaway? It's about a crew ...

The science of calibration dates to 1949, when the U.S. Air Force was figuring out how many G's a human being could endure. That is, they wanted to know how to calculate gravitational force, G-force, ...