[anigbrowl]

I have this page bookmarked, it's a great resource. I wish he'd add more stuff on cymatics though - it seems there's still a lot of work ot do in that area, but researching it through the internet requires strong pseudoscience filters.

[Anechoic]

I wish he'd add more stuff on cymatics though

Have you asked him? Prof Russell is quite approachable: https://twitter.com/drussellpsu