Understand rotational motion in a clear, intuitive way with a lesson designed to stick with you forever. This video breaks ...

Later work by others built on this, showing that these energy levels are a fundamental part of how the universe works at the ...

Why does light carry energy even though it has no mass? This video explains the real physics behind photons, energy–momentum ...

Over the short span of just 300 years, since the invention of modern physics, we have gained a deeper understanding of how our universe works on both small and large scales. Yet, physics is still very ...

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, ...

Acceleration and thermal energy are physics concepts that can be applied to stock car racing. Jon Feingersh/The Image Bank via Getty Images America has a physics problem. Research shows that access to ...