Topic: light

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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...

Raccoon and the Light

What happens when a raccoon finds an abandoned flashlight in the woods? Explore the dark and discover some of the creatures that live in it with Raccoon and the Light, an animated short by CalArts student Hanna Kim. ...

1,374 drones dancing over the City Wall of Xi’an, a Guinness World Records

The world record for "most number of unmanned aerial vehicles airborne simultaneously" has been broken by Chinese aerial vehicle company EHang Egret during the rehearsal performance shown above. Their 1,374 quadcopter...

A Visual History of Light, animated

400,000 years ago, humans and Neanderthals created fire. This ignited a relationship between people and photons that changed the course of mankind—and continues to evolve to this day. Take a tour through the visual hi...

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...

Building the Giant Magellan Telescope, the world’s largest telescope

Underneath the University of Arizona’s football stadium are the beginnings of the Giant Magellan Telescope, set to be the largest optical telescope in the world. The Richard F. Caris Mirror Laboratory is the only plac...

Shadows On Other Worlds

Explore the wonder of light from our star, the Sun, and how Shadows On Other Worlds, like on Venus or a faraway planet orbiting the red star Glise 581, would behave a little differently than they do here on Earth. Thi...

The Aurora Named STEVE

For the first time, scientists have ground and satellite views of STEVE (short for Strong Thermal Emission Velocity Enhancement), a thin purple ribbon of light. Scientists have now learned, despite its ordinary name, ...

A bioluminescence expert catches a jumbo squid on camera for Blue Planet II

How do you catch sight of a jumbo squid deep underwater? Travel down in a submersible, use red light to see—most deep-sea creatures can't see red light—and then, to attract larger predators, flash the 'SOS' light patt...

A New Republic: The portrait work of artist Kehinde Wiley

Blending and contrasting contemporary clothes and objects with ornate fabrics, lush plant life, detailed patterns, and bold colors that reference earlier eras of art history, Kehinde Wiley's heroic portraits are large...

The Exhale Bionic Chandelier: Microorganism-filled ‘leaves’ that ‘breathe’

An air purifier, an art object, and a piece of lighting design all in one living, 'breathing' chandelier. This is London-based inventor and bioengineer Julian Melchiorri's Exhale Bionic Chandelier, a microorganism-fil...

Photographing the Real Life of Bees, behind-the-scenes with Anand Varma

We've watched lots of bee videos, we see bees in our garden, we read about bees in childhood stories. With all of that, it can be easy to think that we know all about honey bees. How can we think of bees in a way that...

Flight through the Orion Nebula in visible and infrared light

Explore the Orion Nebula, as seen with both visible light from the Hubble Telescope and infrared light via the Spitzer Space Telescope, with the help of this three-dimensional fly-through. The computer-generated visua...

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 ...

How to make a hexagonal starry sky LED night light

With a leftover piece of wood, lots of drilled holes, flexible LED strip lights and some quick wiring, Linn from the Darbin Orvar YouTube channel demonstrates how she made a hexagonal starry sky LED night light. Do...

This festive robotic glockenspiel plays Christmas songs on demand

Listen to 'Deck the Halls' play on a homemade, Twitter-connected robotic glockenspiel with Raspberry Pi brains. The interactive instrument, located in a Northumbria University office in Newcastle Upon Tyne, England, i...

Go inside an ice cave to see nature’s most beautiful blue

Where do glaciers and icebergs get their beautiful blue color? This unique blue might be nature’s most brilliant, and the color arises in a very special way thanks to some surprising interactions between light and wat...

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