Topic: rainbow

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Anodizing Titanium – “The Rainbow Metal”

Titanium is nicknamed "The Rainbow Metal" in some jeweler circles because it can be anodized in an electrolyte solution to produce a variety of colors. The colors are created by passing electricity through it to produ...

Odyssey: A universe of ink, oil, soap, and glitter in macro detail

Made with a mix of ink, oil, soap, and glitter, art director Ruslan Khasanov has filmed a sparkling experimental video that explores how the fluids interact with each other in macro detail. This is Odyssey. ...

Physics Girl: Seven surface tension experiments

This Physics Girl video highlights seven different surface tension experiments that you can easily try at home or in the classroom. Have any of these around? A plate, a glass, a penny, an index card, a paperclip, an e...

Four jellies that diffract rainbow light like iridescent spaceships

Monterey Bay Aquarium has a brilliant YouTube channel for viewing all sorts of beautiful and hard-to-believe creatures. A case in point: these four jellies. Above, The Lobed Comb Jelly, who looks like it's shimmering ...

Orca Rescue in 4K: The conservation efforts of Dr. Ingrid Visser

Follow marine biologist Dr. Ingrid Visser and the wild orca that she researches and advocates for in this episode of HERO4: The Adventure of Life in 4K resolution: Orca Rescue in 4K. Filmed on location in New Zeal...

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 & measure extreme distances in space?

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...

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...

Stormscapes: A time lapse of storm clouds & mesocyclones

Shot in Wyoming and South Dakota by photographer Nicolaus Wegner in the summer of 2013, this video for National Geographic is an incredible look into the thunderstorms and mesocyclones -- powerful vortexes of air wit...

Minute Physics: Why are Stars Star-Shaped?

If we know that stars are massive spheres of hot gases, then why do we draw them with lots of twinkly points? Why doesn't "star-shaped" mean a round shape? The answer: We see stars as pointy (and so does the Hubble Sp...

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...

Rainbow in Your Hand by Masashi Kawamura

This is Masashi Kawamura's Rainbow in Your Hand. In the archives: more flipbooks.

Kermit the Frog – The Rainbow Connection

Kermit the Frog sings The Rainbow Connection in The Muppet Movie. It was nominated for Best Song at the 1979 Academy Awards. There are more rainbows in the archives, as well as these two video gems: Jim Henson maki...

Giant bubble explosions in slow motion

From Shanks FX and PBS Digital Studios, watch these Giant Bubble Explosions, a DIY tutorial that features 60fps slow motion bubble goodness at night. In the archives: more bubble videos, including a bubble bot, bubbl...

Robo Rainbow

This viral street art vid from 2011 features a bicycle cart like no other: Robo-rainbow. via Street Art Utopia.

Judy Garland sings Over the Rainbow for US troops (1943)

Judy Garland sings Over the Rainbow for US troops in this 1943 radio show performance during World War II. A timeless classic, the song debuted in The Wizard of Oz in 1939, and is a kiddo favorite.

The Geysers of Yellowstone National Park in action

Geysers are a rare phenomenon that exist in only a few places on the Earth. Some of the tallest are in New Zealand, Iceland, Geyser Valley in Russia, and Wyoming’s Yellowstone National Par...

Bulles de savon géantes (Giant soap bubbles)

Sylvain lives in Paris and makes bulles de savon géantes! Giant soap bubbles! What I love about this video is that it appears to be in slow motion even though it’s not. Watch bubbles at this large scale; they un...

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