Topic: color

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Minute Physics: Why Is The Sun Yellow and The Sky Blue?

Why is the sun yellow and the sky blue? Why can we see the stars at night? Why is space black? And why is the sky more red, orange, and even pink at sunset? In this Minute Physics episode, we leap into "the grand ball...

How do we study the stars & how do we measure extreme distances?

How can we know so much about other galaxies? What are they made of? How big are they? How far away are they from Earth? "Want to know the secrets of the universe? Just follow the light." These two TED Eds fro...

Pygmy Seahorses: Masters of vibrantly-colored coral camouflage

The vibrant colors of thumbnail-sized Pygmy Seahorses have always been aligned with the brilliant oranges or purples of the Gorgonian sea fan corals that they're found camouflaged with, but until biologists at San Fra...

The Grand Prismatic Spring: One of Nature’s Most Amazing Sights

Yellowstone National Park's Grand Prismatic Spring may be the nation's largest hot spring, but it's primarily known for its vibrant rainbow of colors. Created by the unique bacteria and algae that live within each hue...

Why do leaves change color?

The arrival of autumn is a great reason to talk about chemistry: When tree leaves change from green to reds, oranges, yellows, and browns, we're seeing the tree's green chlorophyll fade away, revealing hidden autumnal...

Shake Your Silk-Maker: The Dance of the Peacock Spider

When a peacock spider dances, how do we know that it's a really, really good dancer? From their colorful, iridescent body displays, to their wide variety of dance moves, to the different rhythms that they "sing" while...

Spectroscopy of Stars – Wonders of the Universe

Understand what the universe is made of by looking at the light of its stars. In this clip from Wonders of the Universe – Stardust, Professor Brian Cox demonstrates how chemical elements emit a unique set of colors wh...

Mr Rogers: How Crayons Are Made

Mix hot liquid wax, hardening powder, and some color pigment. Pour the mixture into a mold of small cylinders, and after it cools, pop them out! Label them, collate them, and box them. This classic 1981 crayon factory...

Testing Fireworks

How do you know that the fireworks you've made are going to burst in the sky as expected? Test them! In this episode of I Didn't Know That, visit one of the UK's leading fireworks manufacturers as they test the compon...

The Egg Painter

The Egg Painter, a beautiful profile of Elena Craciunescu and the traditional Easter egg painting that she skillfully enjoys in a small village in Romania’s northern region of Bukovina. ...

Jule Waibel’s 25 dresses for 25 cities

The geometry of folding meets fashion in this video for German designer Jule Waibel and her collection of 25 paper dresses. Folded from huge sheets of colorfully designed paper, they were dis...

Paint Showers

Paint Showers by Miguel Jiron.

Lullatone: Experiments Around the House

From Shawn James Seymour and Yoshimi Tomida of Lullatone, enjoy Experiments Around the House (2011),

A Male Sapphirina copepod (or Sea Sapphire)

This is a male Sapphirina copepod or Sea Sapphire, transparent and only a few millimeters long, but attention-grabbing when they seem to emit an incredible blue flash. What causes luminous color from nothing? The R...

Sway: Portrait of Nick Wroblewski, Woodcut Printmaker

Watch woodcut printmaker Nick Wroblewski create a woodblock illustration from start to finish: Sway, directed by Davin Haukebo-Bol. Related DIY: how to print with potatoes. Plus: more wood ...

How to make a papercraft rainbow snake

A papercraft snake that can twist and turn! Find out how to make your own in this video tutorial by dutchpapergirl. Pdfs of the pattern are here. Next: what else can you make with this style o...

How To Draw Your Hand In 3D

Here’s a fun, quick trick: How To Draw Your Hand In “3D”. What other things around the house or outside can you use this technique with?

Jewel Box Sun

From NASA Goddard, Jewel Box Sun, a surprising video that illuminates how NASA’s Solar Dynamics Observatory (SDO) converts a wide range of invisible wavelengths into colorized images tha...

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