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Topic: color
Can you solve the alien probe riddle?
Your team has developed a probe to study an alien monolith. It needs protective coatings — in red, purple and green — to cope with the environments it passes through. Can you figure out how to apply the colors so the ...
Okuda San Miguel paints a colorful 23-story mural in Toronto
Okuda San Miguel works up high on a swing stage scaffold, the same kind of suspended platform that window washers use. The internationally renowned Spanish street artist sprays sharp edges of bright color fields. They...
Herman Brown is Feeling Down
"Herman's quiet world is suddenly interrupted by something loud and stressful." What is that noise? What is that feeling? Is it as big as it seems or are things not quite that bad? Herman Brown is Feeling Down is a...
Portal icosahedrons
A steel icosahedron—a polyhedron with 20 faces—is lit with bars of LED light, illuminating the transparent mirrors within. Looking inside reveals seemingly endless mazes within the space. This video by filmmaker Eric ...
How does Salty Seattle make rainbow pasta without artificial flavors?
A rainbow of pasta for dinner. Linda Nicholson, aka Salty Seattle, creates a variety of brightly colored pasta dishes without any artificial flavors, as demonstrated in this Tasty video. The colors are made from t...
Pyrotechnics pro Jim Souza explains the art of a massive fireworks show
How do pyrotechnics experts stage professional fireworks shows for holidays and events like the Macy's July 4th Spectacular and both the 100th and 125th anniversaries of the Statue of Liberty? In this Wired video, fou...
The Science Of Firework Color
Sodium in yellow bursts, strontium in red, calcium gives us orange, barium for green, and copper for blue hues... and there are more where those came from. The science of firework color, as explained above by SkunkBea...
In Search of Forgotten Colours – Sachio Yoshioka and the Art of Natural Dyeing
Sachio Yoshioka is the fifth-generation head of the Somenotsukasa Yoshioka dye workshop in Fushimi, southern Kyoto. When he succeeded to the family business in 1988, he abandoned the use of synthetic colours in favour...
Sugar Rainbow, an easy density experiment
We've tried stacking rainbow layers before... but what if we only have water, sugar, and food coloring or coloring tablets to experiment with? Check out this Sugar Rainbow experiment, an easy way to learn about densit...
Freaky Flowers 3: Echinopsis flowers bloom in time lapse
“Echinopsis” is the name for a large family of cacti that originally hails from the hills and mountains of South America, not the desert setting we often associate with cacti. “Echin” comes from the Latin word Ekihnos...
Mapping whale songs in the South Pacific
Why do male whales make such complex songs? And what are they communicating? Dr. Ellen Garland has been analyzing sound arrangements made by the tens of thousands of whales living in separate communities across the So...
How NASA’s TESS Spacecraft Will Hunt Exoplanets
Since the 1995 confirmation of exoplanet 51 Pegasi b, the word exoplanet—a planet orbiting another star—has become a part of the vernacular. And thanks to technologies like the 2009-launched Kepler spacecraft, we've c...
Invisible London: A near-infrared look at the British capital
Trees are white. Sunglasses look clear. Skin seems to glow. In Invisible London, a video filmed using an infrared camera, Dr. Andrew Steele of Lab, Camera, Action! explains what London, England would look like "in a c...
Kasey Golden’s seven watercolor tips for beginners
How do you paint with watercolors without showing the brush strokes? How do you make gradient colors? What kind of paper should you use? In this helpful video, watercolor illustrator and YouTuber Kasey Golden shares s...
Emmanuelle Moureaux’s gridded rainbow installations
Tokyo-based French architect and artist Emmanuelle Moureaux visualized a decade of 'the future'—2017 to 2026—as a numerical rainbow forest in an installation for The National Art Center in Tokyo. The 2017 commission, ...
An octopus changes its colors and textures as it swims away
At approximately 20 meters (65.6 feet) deep off the coast of Ponta Do Ouro, Mozambique, Nick Ruberg happened upon this octopus. As he followed it with his camera recording, its colors and textures changed before it s...
The Link Between Japanese Samurai and Real Indigo
Real indigo-dyed clothing is not like the blue you know. Richer than the chemical blues used on most fabrics today, real indigo dye comes from a plant and has a surprising range of qualities: on fabric it is antibacte...
Why Is Blue So Rare In Nature?
Among living things, the color blue is oddly rare. Blue rocks, blue sky, blue water, sure. But blue animals? They are few and far between. And the ones that do make blue? They make it in some very strange and special ...
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