If there are two trains speeding toward each other, what is the acceleration of coins tossed at algebra instructors? Item: Abstract Math Produces Tangible Learning, Study Finds Leland was ...

Scientists mapping the human body at the cellular level keep running into the same surprise: beneath the apparent chaos of tissues and organs, there is a hidden order that looks a lot like pure ...

Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, researcher, and educator. She is a financial therapist and transformational coach, with a special interest in ...

One question has preoccupied humankind for thousands of years: Do infinities exist? More than 2,300 years ago Aristotle distinguished between two types of infinity: potential and actual. The former ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

AP Physics C, currently a single-year course, will be split into two one-year courses to improve class pacing and depth of understanding starting in the 2025-26 school year. Students will be able to ...