Optical illusion shows 'something cool' once you stare at centre for 15 seconds
A new optical illusion has been shared on TikTok and it promises to show "something really cool" if you stare at it for a few ...
Boing Boing on MSN15 時間
This Victorian ghost book exposed spiritualist frauds with cool optical illusions
In 1864, a peculiar book called "Spectropia" offered Victorian readers a scientific way to summon ghosts. As the Smithsonian reports, author J.H. Brown created this "toy book" to combat what he called ...
Something happens when you stare at mind-bending optical illusion for 15 seconds
Optical illusions can do wonderful things to your intelligence, but the latest one is really testing your eyesight – and it's ...