This is called the Ebbinghaus illusion. It’s an optical illusion of size perception.

The pink circles are exactly the same size. In the first image I show the effect. In the second I show the same image, modified to reveal the equal size.

https://en.wikipedia.org/wiki/Ebbinghaus_illusion

#EbbinghausIllusion #OpticalIllusion #Brain #Science #Perception

2 in 3 Americans think AI will cause major harm to humans in the next 20 years [pdf]

https://www.pewresearch.org/wp-content/uploads/sites/20/2025/03/pi_2025.04.03_us-public-and-ai-experts_topline.pdf

#HackerNews #AI #Harm #Perception #AI #Future #Americans #Opinion #Research #PewResearch

Americans overestimate how many social media users post harmful content

https://academic.oup.com/pnasnexus/article/4/12/pgaf310/8377954?login=false

#HackerNews #Americans #overestimate #how #many #social #media #users #post #harmful #content #socialmedia #research #perception #misinformation #harmfuleffects

What Hallucinogens Will Make You See

https://nautil.us/what-hallucinogens-will-make-you-see-308247/

#HackerNews #Hallucinogens #Psychedelics #Perception #Neuroscience #MindExpansion