Have you ever looked up at the night sky and wondered how to draw a crescent moon? Follow our step-by-step drawing guide for kids and beginners to learn how to draw a crescent moon in no time at all. Read more
Space exploration has long been of interest to both the scientific and science fiction communities. Since ancient times, astronomers have looked to the heavens and tried to understand their observations... Read more
What is a shooting star? Also known as falling stars, these streaks of light are scientifically called meteors... Read more
Do you like to play with slime? Ooey, gooey slime, in many colors and often containing glitter or small toys, has been a popular play item since 1976. Many children and adults alike make their own... Read more
Stairs go by many names. Depending on where you are from, you may refer to them as a stairwell, a staircase, a stairway, or a flight of stairs... Read more
Many modern artforms strive for a three-dimensional appearance. What does it mean to be 3D? An image is considered 3D when it appears to have depth - just as we view truly three-dimensional objects in... Read more
What is an impossible object? Also called impossible figures or undecidable figures, these drawings are a type of optical illusion. The two-dimensional figure appears three-dimensional, yet the geometry is unlike... Read more
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