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Deeper Underground: Walk the London Tube’s pedestrian tunnels

The infinite tunnels pull us in with their symmetry. The ceiling lights guide our eyes to the horizon. The tiles and posters form patterns that please the eye. The echoes of rushing crowds, a flickering light, a train...

What is Symmetry in Physics?

Symmetry is vital to understanding and predicting how our universe works. The relationship between symmetry and the mechanics of the universe is fundamental to physics. From Noether’s theorem to the new and exciting w...

The power of creative constraints – TED Ed

Imagine you were asked to invent something new. It could be whatever you want, made from anything you choose, in any shape or size. That kind of creative freedom sounds so liberating, doesn’t it? Or ... does it? if yo...

Bicycle Bell Tree by Lullatone

Listen as Lullatone's "Make Believe Melody" is played on a toy bell tree sitting on the back of a bicycle. Lullatone is a celebrated indie "pajama pop" music duo, Shawn James Seymour and Yoshimi Tomida, based in Nagoy...

Step into a summer igloo (in 360°) as it’s being built

Though they're made from blocks of compacted snow, igluit (igloos) keep their residents well-sheltered by insulating from the cold and wind outside. In this 360° video from The New York Times, Adami Sakiagak and Tiisi...

The bear who never breaks the rules

This bear loves to uphold and follow the rules of the pool (as one should), but has he forgotten how to have a bit of fun? From animator Charlotte Cambon, meet The bear who never breaks the rules / L'ours qui n&#...

The Case For Eating Bugs

Ants on a log, sautéed grasshopper tacos, scorpion curry, larva lollipops. Eating insects (and arachnids) is called entomophagy and it's practiced by two billion people around the globe, "including North, Central, and...

People In Order (2006)

How can you arrange a collection of short interactions with strangers in order to reveal something meaningful about life? In 2006, the UK’s Channel 4 commissioned a series of short films from filmmakers Lenka Clayton ...

Red PaperBridge, a temporary installation by Steve Messam

A red paper foot bridge arcs across a small river in the Grisedale Valley in Cumbria. Accessible by a 2 mile walk from the town of Patterdale, it sits in nature as a bright tribute to its natural surroundings, as well...

Metropolis II at the Los Angeles County Museum of Art (LACMA)

Metropolis II, a kinetic sculpture created by Chris Burden, is currently showing at the Los Angeles County Museum of Art (LACMA).  Steel beams form an eclectic grid interwoven with an elaborate system of 18 roadw...

Patrick Dougherty’s Stickwork in Salem and Sausalito

Are they nests? Cocoons, forts, beehives, ancient huts, forest castles? All of the above and more? From the Peabody Essex Museum in Salem, Massachusetts, watch how artist Patrick Dougherty planned and built 'What the ...

Yayoi Kusama’s Obliteration Room – TateShots

Yayoi Kusama's Obliteration Room is one of the more visually memorable collaborative museum projects in recent memory. Within it, children are invited to cover the white surfaces with dot stickers -- from the walls, t...

A million things that make your head spin, a rainbow tape time lapse

A "six-story hurricane of color" ascends up into the atrium of Sydney, Australia's Customs House. The piece, titled A million things that make your head spin, was designed and installed with flagging tape—a weather-re...

Yayoi Kusama’s Infinity Mirrors

Step inside Japanese artist Yayoi Kusama's Infinity Mirror rooms, seemingly endless spaces made from mirrors, patterns, darkness, and light. The six rooms were filmed by NPR at Washington D.C.'s Hirshhorn Museum, wher...

Laser-cut, flat-packed, wood DIY modular marble machine kits

A few marble machines are clickity-clacking in our archives, but never have we seen ones that are designed as laser-cut, flat-packed, wood DIY kits! Hopefully on sale soon from RetroTime.org,...

Surprising Applications of the Magnus Effect – Veritasium

When you drop a basketball from a great height, in this case, 415 feet (126.5 m) off of Tasmania's Gordon Dam, the basketball will generally fall down into the area below where it was dropped. But what happens when yo...

Eske Rex: Pendulum-Powered Drawing Machine

Eske Rex’s Pendulum-Powered Drawing Machine immediately came to mind when I first saw Robert Howsare’s Drawing Apparatus. They both play off of the old spirograph-ish connection, howeve...

Meccano Rope-Making Machine

Engineered with metal strips, plates, angle girders, spools, chains, axles, gears, nuts, and bolts, this rope-making machine twists three strands of string into a rope. Built by Meccano enthusiast Peter Ashby, the mac...

The Floating Water Bridge Demo

The Floating Water Bridge, a demonstration by Dr. Elmar C. Fuchs. Two beakers are filled with triply deionized water. Electrodes are added to each, exposing the water to high d.c. voltage. A cylindrical water bridge f...

How do living things change their environments?

Think about your day, from when you wake up, to where you spend your day, to your bedtime routine at night. Crash Course Kids asks, "What pieces of it are a result of human intervention? Where did these pieces come fr...

BBC Knowledge Explainer: DNA

Director William Samuel and London-based studio Territory made this beautifully illustrated explainer of DNA for BBC Knowledge and Learning. Read more about their inspiration (hint!) and the B...

The Animated Life of A.R. Wallace

This incredible paper puppet video by Flora Lichtman and Sharon Shattuck chronicles the story of British naturalist, anthropologist, biologist, geographer, and intrepid adventurer Alfred Russel Wallace, who was also C...

Evolution – Why do dogs bark?

Wolves howl and dogs bark. So why do dogs bark File under: dogs and communication.

Explaining The Tree of Life

Travel millions of years through time with Sir David Attenborough as he explains The Tree of Life. Some background on the metaphor from The New York Times: In his 1859 book “On the Origin of Species,” Charles Darw...

The Guillemot egg, an egg that saves its own life

Guillemots are sea birds that reside in crowded colonies on rocky cliff sides. When they breed, they produce one conical egg which incubates for around 30 days on the precarious cliffside... but guillemots don't make ...

The 12 Days of Evolution – It’s Okay to Be Smart

Joe Hanson of It's Okay To Be Smart celebrates the diversity of life with 12 days of videos dedicated to explaining evolution and natural selection. Above: What is evolution, anyway? From Berkeley’s Understanding ...

Sparklers – How It’s Made

How It’s Made: Sparklers! There are more fireworks in the archives. Updated link.

Balloons – How It’s Made

Of all of the fun things about how they make balloons, it was really the tilted brushes to roll up the balloon ends that got us. So simple! Learn more about how things are made and watch more balloon videos on thi...

Stitching an Artisanal American Football

This is how a football is stitched and laced by hand, as demonstrated in 2011 by LemonBall and Leather Head Sports founder Paul Cunningham, courtesy of director Pascal Perich and Etsy. Cunnin...

How Daruma dolls are made + Make an origami Daruma doll

Daruma dolls are paper mache Japanese dolls that represent perseverance, patience, protection, prosperity, achievement, and good luck in the New Year. In this video from the Japan Science and Technology Agency, the do...

Stonehenge: Moving Massive Blocks Using Simple Engineering

Have the kids seen W.T. “Wally” Wallington yet? He’s a retired carpenter who believes he knows how Stonehenge was built. With 35 years experience in construction under his ...

How are shipping containers made?

We've seen them traveling on trains and stacked high on ships, but where do shipping containers come from? How are they made? To answer that question, moving and storage company BigSteelBox filmed this HD promotional ...

Boston Dynamics’ new SpotMini robot

Need help loading the dishwasher? Maybe an adorable giraffe and/or dino-style robot can help out. This is Boston Dynamics' SpotMini. SpotMini is a new smaller version of the Spot robot, weighing 55 lbs dripping we...

Can A Thousand Tiny Swarming Robots Outsmart Nature?

How might robotic engineers program a swarm of robots to accomplish tasks together based on self-organizing behaviors? Harvard research scientist Michael Rubenstein was working on that challenge when he designed Kilob...

Poet on the Shore by Yuxi Liu

An autonomous robot rolls across the beach. Though it might stop moving, its sensors haven't stopped taking in information about its surrounding environment: the waves, the wind, the sounds of people and animals both ...

A robot vehicle that drives on walls using propellers

Drive on the ground, drive on the wall, maybe, just maybe, drive on the ceiling. The result of a collaboration between Disney Research Zurich and ETH Zurich, VertiGo is a four wheel vehicle that appears to defy gravi...

An origami-inspired model for reconfigurable materials

Metamaterials — materials whose function is determined by structure, not composition — have been designed to bend light and sound, transform from soft to stiff, and even dampen seismic waves from earthquakes. But each...

Roboraptors and the Alarm Call Network

What's one way that you might study bird calls and communication, especially around alarm calls? Try revealing a predator in the forest... but not just any kind of predator. A robo-predator. ...the researchers em­...

The Dresser – Joseph Herscher

An alarm clock goes off. Dropping it in a glass of water will silence the alarm. The weight of the glass also triggers a machine which helps the user get dressed... Shirt, pants, vest, socks, shoes... and don't fo...

The Page Turner – Joseph Herscher

Joseph Herscher takes a sip of his coffee, pulling string thereby tipping paintings. Balls roll down paintings, lighting burner to boil water causing books to tip. Vase and computer get knocked off the table, relea...

A Japanese ‘Pythagoras Switch’ Rube Goldberg Machine for charity

This awesome Pythagora Switch / Pitagora Suitchi clip launches with a table tennis serve and takes off into chain reactions and table top engineering wonders galore. See ping pong balls, tape rolls, marbles, and metal...

Paul Grundbacher’s wooden marble machines

We love Rube Goldberg machines, marble roller coasters, and all kinds of wooden inventions that are fun to watch or are lovely to listen to.  These seven amazing marble machines by Paul Grundbacher fit perfectly int...

Biisuke Ball’s Big Adventure – Pitagora Suitchi

Biisuke is a little red ball who must go on a big adventure to save his brothers Biita and Biigoro after they're imprisoned in the high tower of a Rube Goldberg Machine. "Here we go, Biisuke Ball, sneaking into the en...

Power of Optics: A light-powered Rube Goldberg machine

In this commercial for au Hikari, one of Japan’s high-speed optical internet service providers, a Rube Goldberg machine is "powered" by a single beam of light that travels via mirrors, magnifying glasses, and reflecti...

Salute the Reuser – Using reusable containers instead of disposables

In the same way that we use reusable metal water bottles and sippy cups for kids on-the-go, the team at Keep Cup is promoting reusable coffee containers for adults on-the-go in this promo vide...

How do living things change their environments?

Think about your day, from when you wake up, to where you spend your day, to your bedtime routine at night. Crash Course Kids asks, "What pieces of it are a result of human intervention? Where did these pieces come fr...

In.gredients: Austin’s Package-Free Grocery Store

In.gredients is a new package-free grocery store that is opening in Austin, Texas in the Summer of 2012. Its mission as the US’s first zero-waste, package-free grocery store will support...

1,000 Indian Runner ducks are a smart alternative to pesticides

Not only are these 1,000 Indian Runner ducks fun to watch as they parade to work at South Africa's Vergenoegd vineyard, but their work -- eating the white dune snails that would otherwise threaten the vines -- is smar...

Biodegradable mushroom packaging from Ecovative Designs

What if we could replace plastics and styrofoam with something much more sustainable? Something that wouldn’t fill our landfills, pollute our beaches, or float out into our ocean gyres? ...

The Landfill – Different kinds of trash as harvestable resources

The Landfill is a three minute film by documentary filmmaker Gary Hustwit and director Jessica Edwards about how our different kinds of trash can be used as harvestable resources. The Unite...

What’s the difference between horns and antlers?

What’s the difference between horns and antlers? The Brain Scoop's Emily Graslie explains.

The Leaf Color Chromatography Experiment

Why to some leaves change color in the fall? This experiment, Leaf Color Chromatography with Bite Sci-zed’s Alex Dainis, is the perfect autumn weekend project to learn about chlorophyll, carotenoids, xanthophylls, an...

Monkey Monitor: Smithsonian Scientist Meg Crofoot

Meet Meg Crofoot, a primate researcher on Barro Colorado Island at the Smithsonian Tropical Research Institute (STRI) in Panama. Meg studies intergroup competition in white‐faced capuchin monkeys (Cebus capucinus)...

Each Tree Is Its Own Adventure: Climbing giant sequoias for science

Among the planet's longest-living organisms—3,000+ years and growing—giant sequoias (Sequoiadendron giganteum) can seem pretty indestructible. They're thought to be mostly disease, fire, and drought resistant thanks ...

Why Red Blood Cells Look Like Donuts

This week, the 5 year old discovered the science videos of Bite Sci-zed’s Alex Dainis, starting with this one: Echinoderm Show & Tell. When he immediately asked for more, we watched The Gas Laws, Dishes and...

Dr Charlotte Uhlenbroek meets a family of mountain gorillas

Join Dr Charlotte Uhlenbroek as she treks into northwest Rwanda to meet a family of critically endangered mountain gorillas for the first time. This was filmed for the BBC nature documentary se...

And in case you missed it...

Streamschool (Patakiskola) – A Hungarian poem told in stop motion

Streamschool (Patakiskola) by Péter Vácz: Inspired by a Hungarian poem, this beautifully-textured stop motion piece about growing up tells the story of a little girl who travels with a river to the sea. The version ab...

Hand cutting an intricate paper leaf stencil

Watch as artist and YouTuber Sara Sandoval hand cuts a large leaf stencil from thick piece of paper. Sandoval often uses intricate single- and multi-layer stencils like these to create spray paint works. Via Instagram...

Exploding elements – Alkali metals in water

Now this is an effective way for kids to remember the names of elements… have the elements explode! Five out of the six Alkali metals react with air and water: Lithium (Li), Sodium (Na)...

The most skips over a single rope in one minute by a team

File under practice and team work: Fourteen students from Japan's Fuji Municipal Harada Elementary School in Shizuoka Prefecture have set the "unfathomably fast" Guinness World Record for most skips over a single rope...

How to Make Vegetable Sushi: Farm to Table Family

Let the kids assemble their own veggie sushi rolls, customized with their favorite vegetables, in this recipe from PBS Parents' Farm to Table Family.

Can you solve the temple riddle? – TED Ed

Your expedition finally stands at the heart of the ancient temple. But as you study the inscriptions in the darkness, two wisps of green smoke burst forth. The walls begin to shake. The giant sandglass begins flowing ...

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