The ‘Chunder Thunder’ is a variation of the ‘Perpetual diamond’ which demonstrates the illusion more economically and IMO captivatingly: https://news.ycombinato

The ‘Chunder Thunder’ is a variation of the ‘Perpetual diamond’ which demonstrates the illusion more economically and IMO captivatingly: https://news.ycombinator.com/item?id=20103642 https://news.ycombinator.com/item?id=20103642 The ‘diamond’ was published almost exactly one year ago. However, images exploiting the same effect were circulating much earlier (beware, strobe fest ahead): https://i.imgur.com/4oZyQFx.gif https://i.imgur.com/4oZyQFx.gif, https://i.imgur.com/2eDISOQ.gif https://i.imgur.com/2eDISOQ.gif Btw, I previously tried watching these gifs frame-by-frame, flipping them manually, and the effect still persisted for me.