Impossible stairs - also called Penrose stairs, Penrose steps, continuous staircase, or the impossible staircase - is a type of optical illusion called an impossible object. The illusion is created as the brain tries to perceive the two dimensional drawing as a... Read more
What is an impossible object? Impossible objects, such as this impossible heart, are optical illusions. Our brains are programmed to interpret two-dimensional drawings such as this one as... Read more
What is an impossible object? Also called impossible figures or undecidable figures, these objects are two-dimensional drawings that create an optical illusion... Read more
The impossible trident, also called the impossible fork, blivet, or devil's tuning fork, is a type of impossible object... Read more
The impossible square is a type of impossible object, also known as an impossible figure or undecidable figure. It is a type of optical illusion in which a three-dimensional drawing is interpreted by the eyes and brain as a... Read more
What is an impossible cube? Also called an irrational cube, this optical illusion was created by Dutch artist M. C. Escher in 1958. His lithograph print Belvedere depicts a building, based on the impossible cube, that seems to defy the laws... Read more
Cinco de Mayo means "fifth of May" in the Spanish language. Not surprisingly, then, the holiday is celebrated on May 5 each year... Read more
In this electronic age, emojis are everywhere, from text messages and emails to clothing, jewelry, school supplies, home furnishings... Read more
What is an emoji? Emojis are small cartoon symbols, typically representing emotions, places, or common objects. The emoji originated in 1999... Read more
What does it mean to wink? A wink is defined as "a facial expression made by briefly closing one eye." It is analogous to blinking, though only... Read more
You see it in your text messages, in your emails, and on your social networks. At your local store, you'll likely find candy, throw pillows... Read more
Emojis - small cartoon characters that illustrate emotions or common objects - are abundant. Since 1999, we've used emojis to add flavor... Read more
Today, emojis are no longer relegated to adding humor and emotions to text messages. The expressive icons are everywhere... Read more
What is a galaxy? According to the Encyclopaedia Britannica, a galaxy is a system of stars and other matter, such as gases, asteroids... Read more
Who is Buddha? Is he just a chubby statue that you see in some restaurants? Actually, he was a real person. He was born sometime... Read more
Scientifically, sunset describes “the daily disappearance of the Sun below the horizon as a result of Earth's rotation.” Culturally, however, this frequent phenomena... Read more
The impossible triangle, also called the Penrose triangle or impossible tribar, was first drawn by a Swedish artist by the name of Oscar Reutersvärd in 1934. Read more
The veneration of skulls by humans has a long history. Prehistoric evidence suggests that in some cultures, the skulls of deceased ancestors... Read more
The earth - according to astronomer Carl Sagan, it is "a mote of dust suspended in a sunbeam," the only rock in the universe known to support life. The earth... Read more
Scenes of peaceful winter scenery, and the glimmer of new fallen snow, are a common theme in both the visual and literary arts. In Lois Lowry's The Giver... Read more