An intuitive guide to Maxwell's equations (2020)(photonlines.substack.com)
476 points by gballan | 111 comments
A Substack post giving an intuitive, visual explanation of Maxwell's equations and the history of electromagnetic field theory.
#electromagnetism on Hacker News
2 stories tagged electromagnetism, newest first.
Why does holding a key fob to your head increase its range?(physics.stackexchange.com)
581 points by jasonhansel | 145 comments
A Physics Stack Exchange question asking why holding a remote car key fob against your head or body extends its range.