Here's a tutorial to build an animated EM field in Web VPython
Code here: https://trinket.io/glowscript/52ec2619a8
On this page of the site you can watch the video online Animated Electromagnetic Wave in Web VPython with a duration of hours minute second in good quality, which was uploaded by the user Dot Physics 24 July 2023, share the link with friends and acquaintances, this video has already been watched 1,087 times on youtube and it was liked by 49 viewers. Enjoy your viewing!