The image above certainly looks like a black and white spiral, but it's actually a set of concentric circles.The optical illusion, titled "blue-green algae spiral" by famed Japanese optical illusion creator and experimental psychologist Akiyoshi Kitaoka, has been making rounds on the Internet for a while (Kitaoka <a href="http://www.psy.ritsumei.ac.jp/~akitaoka/ranso.html" class="on">made it back in 2007</a>) but try as you might, you just can't convince your brain that it's NOT a spiral.#OpticalIllusion #AkiyoshiKitaoka #circle #spiral #SpiralOpticalIllusionSo let us clearly show that the spiral optical illusion is, in fact, a series of concentric circles:

And now, for something extra trippy for you:

This is Not a Spiral Optical Illusion

On June 8, 2021, a strange spiral appeared in the skies over the south Pacific islands of New Caledonia and Vanuatu.The greenish spiral, which people noted looked straight out of Marvel's Doctor Strange movie, turned out to be fuel released by China's Long March rocket.From <a href="https://www.facebook.com/Assocaledoastro/" class="on">L'Association Calédonienne d'Astronomie Facebook page</a>:<blockquote>Jonathan McDowell, an American astronomer who lists all maneuvers and orbital launches on the planet, has confirmed it was the second floor of a Chinese Long March 2 C rocket, which took off June 18 at 06 h25 UTC from Xichang launch center, with 4 satellites on board.</blockquote>Video: Niels Dumas de Tontouta#rocket #spiral #DoctorStrange #LongMarchRocket