🤯

"a fascinating way to show users the refresh rate of their screen by spinning a specially designed zoetrope-like disc graphic at speed. As it spins, the numbers representing the viewer’s refresh rate should remain visually stable unlike surrounding numbers."

https://cohost.org/lunasorcery/post/2465593-testing-your-animati

@i_am_fabs My monitor shows 60Hz and my phone 120Hz for a few seconds and then 60Hz. (My phone is set to "dynamic". So with user interaction, scrolling, etc. is smooth, but then drops down to save energy.)