Shini introduces us to integrals, and how they're critical to studying physics. Continuing with last week's introduction of calculus, Shini leads us through the ways that integrals can help us figure ...

The most powerful formula in physics starts with a slender S, the symbol for a sort of sum known as an integral. Further along comes a second S, representing a quantity known as action. Together, ...

Years ago, a photo of one of Elon Musk's high school physics exercises went viral online. Many people commented, half-jokingly, that even the billionaire Elon Musk had to learn torque problems, so ...