There are quite a few fundamental constants. These are things like the speed of light (c) the charge on an electron (e), and the Planck constant (h). These constants are determined with some type of ...

The terms weight and mass are often used incorrectly. Phrases like ‘a bag of sugar weighs 1 kg’ are not scientifically correct. This means that a 1 kg mass would be attracted to Earth by a force of 10 ...

Physicists have made the first precise measurement of Newton’s universal gravitational constant to use vibrating beams 1. Although the technique is not yet as precise as others, it could eventually ...

Every other Friday on Morning Edition, the Outside/In team answers a question from a listener about the natural world. This week, Gilman in Tucson, Arizona asked, “How close can you get to a black ...