×
GreekEnglish

×
  • Politics
  • Diaspora
  • World
  • Lifestyle
  • Travel
  • Culture
  • Sports
  • Cooking
Wednesday
13
May 2026
weather symbol
Athens 23°C
  • Home
  • Politics
  • Economy
  • World
  • Diaspora
  • Lifestyle
  • Travel
  • Culture
  • Sports
  • Mediterranean Cooking
  • Weather
Contact follow Protothema:
Powered by Cloudevo
> technology

This picture has no red pixels, so why do the strawberries still look red? (photo)

Color constancy continues to confound us

Newsroom February 27 10:57

Δείτε περισσότερα άρθρα μας στα αποτελέσματα αναζήτησης

Add Protothema.gr on Google

Do you remember of The Dress: the unfathomably viral photo of a dress that divided the internet for more than a week in 2015 over whether it was blue and black, or white and gold. So it’s appropriate that, on this auspicious date, an equally maddening photo recently started making the rounds online:

This picture has NO red pixels. Great demo of color constancy (ht Akiyoshi Kitaoka) pic.twitter.com/pZHvbB6QHE

— Matt Lieberman (@social_brains) February 27, 2017

>Related articles

French Health Minister: It is not certain whether the hantavirus strain has mutated

NASA launches new mission to discover the origin of the mysterious energy ring around Earth

The telescope malfunction that led to the remarkable discovery of a second Earth that may even have…water

The photo was created by Akiyoshi Kitaoka, a Professor of Psychology at Ritsumeikan University in Japan, who specializes in creating optical illusions (his twitter feed will blow your mind). As you can see in the tweet above, this photo has no red pixels in it, even though the strawberries pictured clearly appear red.

Read more HERE

Ask me anything

Explore related questions

#brain#colours#eyes#health#nature#pixels#science#technology
> More technology

Follow en.protothema.gr on Google News and be the first to know all the news

See all the latest News from Greece and the World, the moment they happen, at en.protothema.gr

> Latest Stories

Iran demands the immediate release of the four Iranian citizens arrested in Kuwait

May 13, 2026

OECD: Greece recorded the largest increase in household income in Q4 2025

May 13, 2026

“Until yesterday we were in class, they were laughing, joking”: Teacher of the two girls who fell from an apartment building in Ilioupoli speaks out in shock

May 13, 2026

Greece introduces, for the first time, a comprehensive framework for the safe use of Artificial Intelligence in schools

May 13, 2026

TUI Group: Greece and Spain are the most favored destinations from last-minute bookings

May 13, 2026

Two violations of Greek airspace by Turkish F-16 fighter jets

May 13, 2026

Expensive jet fuel is reshaping the global aviation map: Route cuts and rising ticket prices

May 13, 2026

Manolis Kontos (Austriacard): “With DNP, a global leading force in secure identification and payment solutions will be created”

May 13, 2026
All News

> Greece

In reverence, the emotional deposition in Jerusalem, see photos & video

The Holy Temple of the Resurrection opened after many days due to the war between Israel and Iran

April 10, 2026

In the final stretch for the accreditation of joint master’s degrees: Aiming for their launch in the coming academic year

April 10, 2026

Schedule for Epitaph Procession today (10/4)

April 10, 2026

Perfect weather for Easter excursions, according to Tsatrafyllia’s forecast

April 10, 2026

Easter in Greece: The customs that continue in Greek tradition – From Nafpaktos to Corfu

April 10, 2026
Homepage
PERSONAL DATA PROTECTION POLICY COOKIES POLICY TERM OF USE
Powered by Cloudevo
Copyright © 2026 Πρώτο Θέμα