Here's my attempt (requires WebGL, realistically only works in Chrome): http://www.glowscript.org/#/user/David/folder/Public/program/DancingPendulums http://ww

Here's my attempt (requires WebGL, realistically only works in Chrome): http://www.glowscript.org/#/user/David/folder/Public/program/DancingPendulums http://www.glowscript.org/#/user/David/folder/Public/program...