The first part of the course includes six units, Physical World and Measurement, Kinematics, Laws of Motion, Work, Energy and ...

Zooming into spiral galaxy M106 in Canes Venatici. Credit: NASA Goddard Space Flight Center/flickr/CC BY-NC-SA 2.0 Priya Natarajan: Oh! Totally, this is a pretty difficult concept to visualize. The ...

What is the most difficult concept to grasp in physics? originally appeared on Quora: the knowledge sharing network where compelling questions are answered by people with unique insights. Answer by ...

Quantum entanglement is one of the strangest and most fascinating phenomena in physics. Even Einstein didn’t believe it - he called it “spooky action at a distance” - but science has proven it true.

The following essay is reprinted with permission from The Conversation, an online publication covering the latest research. Speed alone may be the factor that draws many sports fans to the bobsled, ...