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 ...
Only those with perfect vision can find three geckos hidden in clever optical illusion
A fiendishly tricky brainteaser has been shared online, challenging the internet to spot three geckos that are hidden on a ...
I can’t get over this astounding optical illusion graffiti
Optical illusions are all over the internet, but it's rare to see them cropping up in the real world. Street artist Vile is ...
Smithsonian Magazine17d
This 19th-Century ‘Toy Book’ Used Science to Prove That Ghosts Were Simply an Illusion
Across 27 pages, author J.H. Brown laid out how readers could summon spooky images by staring at one of the book’s 16 illustrations of “specters” and then immediately looking at a blank wall. The ...
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Test your vision: Spot 3 differences in this challenging optical illusion image
Optical illusion is more than a muse or engagement ... The whole frame is filled with colourful details with two photo frames on the back wall, and one plant pot. It might look like a simple ...
National Geographic news4y
When circles are finally squared
Man on a roof or ladder against the wall: either way ... The brain cannot fathom how an optical illusion can manifest in real life, rendering it "impossible". Photograph courtesy Meiji University ...
Painter reveals optical illusion for downtown Ashland building
Before a crowd of more than 100 at his Ashland studio, optical illusion artist John Pugh revealed the idea for a ...