Topic: light

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LEGO Dragon-Butterfly-Jet Magic Angle Sculpture

Created with layers and layers of LEGO pieces, magic angle sculptures appear to be completely abstract forms at first glance, but with the help of a light and rotation, they reveal their complex design. Inspired b...

Aeroponic vertical farming in Newark, New Jersey

Inside of a former laser tag area in Newark, New Jersey, Aerofarms is growing 250 kinds of leafy greens in huge air and mist-driven vertical farm. This Seeker Stories video shows how their aeroponic technology works: ...

What Really Causes Sunburns?

Why does your skin turn red and peel when you get a sunburn? In this episode of Gross Science, Anna Rothschild explains what's going on in our skin when it burns from sun exposure.

How to Find a Galaxy

How do you find a galaxy? How do you find a thousand galaxies? Astrophysicist Dr. Margaret Geller is a galaxy mapping pioneer. She and her colleagues studied the spatial distribution of galaxies in our universe by sur...

Pattern distortions seen through a glass of water

Try this classic trick at home with different shaped glasses (which shapes the water within them) and a few patterned backgrounds. As you look through the glass, you'll see the background pattern shift. Why? As the li...

These Carnivorous Worms Catch Bugs by Mimicking the Night Sky

These slimy threads are 'fishing' lines in New Zealand's Waitomo Caves. The lures are the bioluminescent glow of Arachnocampa luminosa, or glow worms. Their carnivorous larvae create a starry night sky a half a mile d...

The AgIC marker draws circuits with conductive ink

It's easy to doodle a circuit! Made with silver conductive nanoparticles, the ink in the AgIC Circuit Marker can conduct electricity, as shown in this pop-up book inspired Japanese commercial by Kandenko. Watch the LE...

A 3D printed ‘wheel-of-light’ zoetrope that walks and dances

When this 3D printed, bent-looking mesh cylinder is spun and lit with a band of bright light from the side, a walking person is revealed. This is toki, a modern zoetrope was created by media artist Akinori Goto. A dan...

The case of the green-eyed squid

What happened when a Monterey Bay Aquarium Research Institute (MBARI) submersible shined a blue LED light on Histioteuthis heteropsis, a strawberry squid with one small eye and one giant yellow-green eye? File under f...

The Blind Astronomer of Nova Scotia

Tim Doucette is legally blind, yet he sees the stars better than most people. A childhood diagnosis of congenital cataracts forced doctors to remove Doucette's lenses and widen his pupils. That left the amateur astron...

Scorpion evolution, scorpion moms, & glowing scorpions

Scorpion facts: Scorpions have been on Earth for 400 million years, scorpions give birth to live young and then catch them in their arms, and under ultraviolet light, scorpions fluoresce. Scientist and Cal Academy Cur...

Tauba Auerbach’s massive pop-up book paper sculptures

Filmed for Nowness, this is Tauba Auerbach's massive book project with New York's Printed Matter bookstore: A series of six die-cut paper structures that pop-up into three dimensional sculptures. The tome is titled 2,...

Why every picture of a black hole is an illustration – Vox

No one has ever seen a black hole. There have been illustrations and computer simulations, but not even astronomers have seen a black hole... yet. In the spring of 2017, we might see... something. As a part of...

How do eyes work & how do glasses help us see?

Glass, water, and the eye are three different transparent mediums that change the direction of light, a phenomenon called refraction. Refraction in the eye helps us see by bending light into an accurately focused poin...

The Science of Skin Color – TED Ed

When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it’ll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the...

How do we know what stars are made of?

How do astronomers know what stars are made of when those stars are light years away from Earth? These demonstrations by Dr Francisco Diego reveal the colors of light that are produced from sodium chloride, rubidium c...

Yosemite’s Horsetail ‘firefall’ at sunset

Filmed on February 15th, 2016, a brilliant sunset illuminates the white mist and spray of Yosemite National Park's Horsetail Fall with bright oranges and reds. Called a 'firefall', the name for this optical illusion "...

ALMA, a telescope so powerful it can see into the past

There’s a telescope deep in Chile’s Atacama Desert that takes pictures so massive that it requires a supercomputer as powerful as 16 million PCs to decipher the images. This is the Atacama Large Millimeter Array (ALMA...

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