How to piss of Australians by simply thanking them (leaving that group).. the abuse I get online..
I must say that Hackaday is the friendliest crowd
(apart from some curators refusing to add some of the projects to specific collections)
Playing stampers https://www.facebook.com/phonopress/videos/748715011886306 <- must watch
Optical reading of stampers could be fun, reflective surface like a CD..Happy International Music Day!