In physics, power is the rate at which energy is transferred, used, or transformed. The unit of power is the joule per second (J/s), known as the watt (in honor of James Watt, the eighteenth-century ...

In the Fall I'll be starting teaching again, after a semester away on sabbatical and then enjoying teaching relief during my first semester at Penn. I'll be teaching a course that I truly love, and ...

Jam Handy Film. "Get Going" is an educational film that explains acceleration and motion using a mix of animation, real-world examples, and scientific principles. It begins with a cartoon of a sleepy ...

One often-repeated example illustrates the mind-boggling potential of quantum computing: A machine with 300 quantum bits ...