Learn how to solve the center of mass for a half circle using essential math methods for physics! This video breaks down the calculation step by step, combining geometry, integration, and physics ...

This is another story in KPCC's ongoing series, Classroom Core, that takes a close look at how the Common Core teaching standards are playing out in schools in Southern California. Amid rows of chairs ...

In the third century BCE, Apollonius of Perga asked how many circles one could draw that would touch three given circles at exactly one point each. It would take 1,800 years to prove the answer: eight ...

An icon in the shape of a lightning bolt. Impact Link Earlier, we told you about the 10 smartest kids in the world. They are ranked by a site called Brilliant.org, which asks users progressively ...