I recorded myself doing a talk for OpenJS World 2020 on Abraham Maslow and particle systems (link: https://openjsworld2020.sched.com/event/dcc1e123352786c7d1a3a4e59a9db052). You can see the demo here: https://mysterycommand.com/maslows-particle-system/… the source code here: https://github.com/mysterycommand/maslows-particle-system/… and my slides here: https://projector.com/story/fba63632-3e99-4e24-99e3-4b6c0bc9e165