×
GreekEnglish

×
  • Politics
  • Diaspora
  • World
  • Lifestyle
  • Travel
  • Culture
  • Sports
  • Cooking
Sunday
30
Aug 2026
weather symbol
Athens 28°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

Bill Gates on AI: “It is the most dangerous tool ever invented,” fears of a new pandemic and mass job losses

City of Athens prepares for today’s soaring temperatures with 7 AC spaces and other measures

What are Europeans studying today?

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

Iceland closes the door on the EU: “No” prevails in referendum on resuming negotiations

August 30, 2026

New unrest at the migrant facility in Kleidi, Serres: Stones thrown at police officers and damage caused to facilities

August 30, 2026

Price cuts on 1,660 products, with reductions of up to 30% on store shelves from Monday: How consumers will benefit

August 30, 2026

“One less outstanding commitment”: Mitsotakis on the Thessaloniki Metro and the projects transforming the city

August 30, 2026

Unending tragedy in Nepal: 734 dead, 3,000 missing, and a race against time in the mud & debris

August 30, 2026

Shots fired at a rave party in northern Switzerland, reports of multiple victims

August 30, 2026

A new era for investment: Three new frameworks are changing the landscape for industry, energy & tourism

August 30, 2026

How Meta’s agreement could change the internet: What the 35-page settlement provides and Europe’s position

August 30, 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