Deriving the curl for conservative force fields. This video walks through the mathematics behind curl, explains why it vanishes for conservative fields, and connects the concept to physical intuition ...

In this video, we compute and visualize the electric field from two charges using Python, showing how to calculate field vectors and plot the results clearly. Perfect for learning electrostatics, ...

Under Trump, the F.C.C. has used obscure regulatory powers to crack down on network TV. Some conservatives are pushing back.

The movement of waves, patterns that carry sound, light or heat, through materials has been widely studied by physicists, as ...