stackyFACTS
Psychology

Why identical circles can look different sizes

HERE’S THE INTERESTING PART

Take two identically sized circles and surround one with massive dots and the other with tiny dots. The Ebbinghaus illusion instantly makes the circle surrounded by large dots look incredibly tiny. Your perception has absolutely no fixed baseline, relying entirely on nearby visual garbage to guess how big something is.

Why identical circles can look different sizes
STACKY / Psychology
One discovery leads to another.

Keep exploring facts in this topic.

Psychology →
STACKY FOR IPHONE

A bigger world.
One discovery
at a time.

Keep discovering with Stacky. Interesting facts in an app that is always within reach.

Download on the App Store
ONE MORE DISCOVERY?

Keep exploring

All in this topic →
Why a heavy object makes a lighter one feel weightless
Psychology

Why a heavy object makes a lighter one feel weightless

If you pick up an unbelievably heavy cinder block, and then immediately pick up a perfectly normal dictionary, the book will temporarily feel like it is…

Discover more
Why fit people may perceive hikes as shorter
Psychology

Why fit people may perceive hikes as shorter

Hitting the gym literally physically alters your overall perception of the landscape. A grueling five-mile hike literally looks exactly like a remarkably…

Discover more
Three Pac-Man shapes can make you see a triangle
Psychology

Three Pac-Man shapes can make you see a triangle

Arrange three Pac-Man shapes facing each other, and you will distinctly see a bright white triangle floating in the empty space between them. The Kanizsa…

Discover more
Why tall people seem more competent
Psychology

Why tall people seem more competent

Being precisely six feet tall is practically a massive completely free resume boost. Because height was entirely linked to absolute physical dominance in…

Discover more
Psychology

Survivors of catastrophic car crashes report moving in slow motion because the amygdala goes into absolute overdrive during severe trauma, writing memory files so densely that…

We all love action movies where the protagonist dodges bullets in glorious slow motion, but biology executes this trick through pure terror. Your brain…

Discover more
The font you read can change what you believe
Psychology

The font you read can change what you believe

Subconscious psychological studies reveal that identical text is rated as drastically more truthful when printed in formal serif fonts like Baskerville.…

Discover more
StackyMore discoveries in the app
Download on the App Store