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Train tracks: How to replace railway ties without pulling up the rails

Railroad tracks are made of three main parts: the long steel rails that the trains run on, wooden or concrete railroad ties (US) or sleepers (UK), and the track ballast that helps bear a train's weight and keeps the t...

National Film Board of Canada: How to Build an Igloo (1949)

Drawing from a lifetime of snow experience, two Inuit men in Canada’s Far North find a site full of hard-packed snow for their igloo, or iglu in Inuit. To insulate and protect against wind and cold, a quick, overnight...

Inside a Wilson Football Factory: How a NFL football is made

When Jane Helser started sewing around 150 handmade footballs per day at the Wilson Sporting Goods factory in Ada, Ohio, it was 1966. She was 19 years old. For the next 48 years, as presidents, football players and...

Gravity Glue: Balanced rock sculptures by Michael Grab

Michael Grab has been balancing rocks since 2008, and has since gone viral from what seems to be the gravity-defying nature of his balanced stone sculptures. In fact, Grab's meditative art works with gravity by slowly...

The Electric Sausage: A static electricity demonstration

Perhaps you've experimented with static electricity by using a balloon, paper clippings, your hair, a pencil, a plastic bag, or a Van de Graaff Generator... but have you ever used a sausage to see static electricity i...

Hydrophobic metal made with laser-etched microscopic patterns

Scientists from the University of Rochester have created water-repelling metal by laser-etching nanostructures into the surface. Watch as water droplets bounce like water balloons off of the metal's super-hydrophobic ...

Spanish Air Force jets land in formation: View from the seventh jet

In June of 1985, five Spanish-built CASA C-101 Aviojet training jets took off from San Javier Air Base to test their formation flying abilities. Ten days later, Patrulla Águila (Eagle Patrol) made their first public f...

Wild Inside the National Zoo: Reptile Rejuvenation

In this episode of Wild Inside the National Zoo, Reptile Rejuvenation, we get to meet three kinds of cold-blooded creatures that are warmly cared for: Aldabra Tortoises, a Grand Cayman iguana, and a Komodo Dragon name...

Pagurus Bernhardus hermit crabs change their shells

When a common marine hermit crab (Pagurus bernhardus) grows, it starts to look for slightly larger shells that it can live in. We know that it wants to carry around something more comfortable and appropriately-sized, ...

Help your local honey bees: Plant a bee-friendly garden

Pollinators like the honey bee are a huge part of how our food grows, but recently, honey bee populations have been in decline due to what scientists believe might be a mix of pesticide and fungicide use, pathogens, p...

TRENDING TODAY

Hydrophobic metal made with laser-etched microscopic patterns

Scientists from the University of Rochester have created water-repelling metal by laser-etching nanostructures into the surface. Watch as water droplets bounce like water balloons off of the metal's super-hydrophobic ...

Inside a Wilson Football Factory: How a NFL football is made

When Jane Helser started sewing around 150 handmade footballs per day at the Wilson Sporting Goods factory in Ada, Ohio, it was 1966. She was 19 years old. For the next 48 years, as presidents, football players and...

Gravity Glue: Balanced rock sculptures by Michael Grab

Michael Grab has been balancing rocks since 2008, and has since gone viral from what seems to be the gravity-defying nature of his balanced stone sculptures. In fact, Grab's meditative art works with gravity by slowly...

National Film Board of Canada: How to Build an Igloo (1949)

Drawing from a lifetime of snow experience, two Inuit men in Canada’s Far North find a site full of hard-packed snow for their igloo, or iglu in Inuit. To insulate and protect against wind and cold, a quick, overnight...

Help your local honey bees: Plant a bee-friendly garden

Pollinators like the honey bee are a huge part of how our food grows, but recently, honey bee populations have been in decline due to what scientists believe might be a mix of pesticide and fungicide use, pathogens, p...

Full Moon Silhouettes: A full moon rises in real time

This is not a time lapse video. Rising in real time over Wellington, New Zealand, the moon appears huge (and perhaps surprisingly speedy) as it was captured by photographer Mark Gee in January of 2013. In celebration ...

Wild Inside the National Zoo: Reptile Rejuvenation

In this episode of Wild Inside the National Zoo, Reptile Rejuvenation, we get to meet three kinds of cold-blooded creatures that are warmly cared for: Aldabra Tortoises, a Grand Cayman iguana, and a Komodo Dragon name...

The Electric Sausage: A static electricity demonstration

Perhaps you've experimented with static electricity by using a balloon, paper clippings, your hair, a pencil, a plastic bag, or a Van de Graaff Generator... but have you ever used a sausage to see static electricity i...

Spanish Air Force jets land in formation: View from the seventh jet

In June of 1985, five Spanish-built CASA C-101 Aviojet training jets took off from San Javier Air Base to test their formation flying abilities. Ten days later, Patrulla Águila (Eagle Patrol) made their first public f...

Lemon bars with olive oil and sea salt

Savory, tart, bitter, and sweet from The New York Times: Melissa Clark demonstrates how to make lemon bars with a sophisticated twist by adding olive oil and flaky sea salt. She writes: My mother wasn’t a baker, b...

XCAR Films: How to drive the Ford Model T

"At one point, over half the cars in the U.S. were Model Ts. They were used for business, for pleasure, for everything really. Even in World War I, they were praised for their abilities. Ford's dream of freeing farmer...

What makes that fresh rain smell? MIT films rain drops to find out

Why do we smell that fresh earthy scent before and/or after it rains? With high-speed cameras, MIT researchers have filmed rain drops, and believe that the footage explains petrichor, the "pleasant smell that frequent...

IN THE ARCHIVES

Comet Pan-STARRS

Photographer Dan Finnerty's time lapse view of comet Pan-STARRS over Southern California is breath-taking. The colorful sunset and moon setting doesn’t hurt either. Full screen! From...

The Sarcastic Fringehead

From the BBC series Life, meet the Sarcastic Fringehead as Sir David Attenborough narrates.  More from Discovery.com:  This small, scrappy fish found along the Pacific Coast from San Francisco to Baja Californ...

Challenges of Getting to Mars: Curiosity’s Seven Minutes of Terror

I thought we couldn’t get more excited about Mars Curiosity’s mission to Mars, but then we saw this popular video about the rover’s “Seven Minutes of Terror" —  th...

Sarruga: Giant Insects in Chicago

The spectacular Catalan street theater company, Sarruga, transforms the Millennium Park in Chicago into a fantasy world, bringing their giant ants, spiders and praying mantises to interact with the public in a...

Riding a Space Shuttle Booster with enhanced sound

From the upcoming Special Edition Ascent: Commemorating Space Shuttle DVD/BluRay a movie from the point of view of the Solid Rocket Booster with sound mixing and enhancement done by the fo...

Here Comes the Neighborhood: The Wynwood Walls, Miami

In 2009, Urban Visionary and Placemaker Tony Goldman partnered with Jeffrey Deitch (Deitch Projects Soho and now director of MoCa Los Angeles) to create the Wynwood Walls. What began with a series of parking lots,...

MOST SAVED VIDEOS

The Hammer-Feather Drop in the world’s biggest vacuum chamber

...though in this case, "the hammer" is a bowling ball. In this excellent clip from the BBC's Human Universe: Episode 4, Professor Brian Cox visits NASA’s Space Power Facility in Ohio, home of the world's biggest vacu...

Watch snowflakes form in time lapse through a microscope

The time lapse formation of snowflakes, recorded with a macro lens by Vyacheslav Ivanov. Music: Aphex Twin - Avril 14th. Update via Colossal: “Ivanov confirms from his home in St. Pete...

TED Ed: How playing an instrument benefits your brain

Your brain is a muscle. When you give it more challenging exercises, you're strengthening your brain's abilities to learn and grow. Now add some music to the mix: When you listen to music, multiple areas of your b...

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...

How to make a paper airplane that flies far: Strike Eagle

A tutorial by paper airplane engineer Mahir Cecen, this is how to make a paper airplane that flies far. In fact, all of Cecen's paper plane videos are titled that, so you'll have to test them all out and let us know w...

The Cornell Lab of Ornithology’s Bird Song Hero

How can you train your brain to recognize and remember bird songs? The All About Bird Biology team at the Cornell Lab of Ornithology has come up with a way to visualize bird vocalizations: Bird Song Hero. Want to test...

The Crazy Circle Illusion: How are these dots moving?

In this Brusspup mind-bender, you may think you see a circle of eight white dots rotating around the inside of a larger red circle, but you're actually witnessing something else, and you may not believe it unless you ...

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?

Friends With You – Cloudy

Cloudy is a happy animated short by artists Samuel Borkson and Arturo Sandoval III of Friends With You. Welcome to the clouds!  From IAmOther: This animated short is an exploration into the clouds; a sweet, vi...

Charlie Chaplin in the lion’s cage: The Circus (1928)

In this scene from The Circus (1928), a Charlie Chaplin classic film and now a favorite in our house, Charlie gets trapped in a lion's cage. It required around 200 takes with a real lion, and is one in a series of sil...

Let It Go performed with wine glasses, pots and pans

This cover is the bridge between a popular animated film (that you may have heard of) and music made with “instruments” found in the kitchen – one of our favorite DIY activities. Th...

How to Make the World’s Simplest Electric Toy Train

How to make the World's Simplest Electric Toy Train from the Amazing Science YouTube channel, a super delightful science experiment that will wow kids, friends, family, science classes... pretty much everyone on the p...

How to fold The World’s Best Paper Airplane

If you want to fold the world's best paper airplane, how do you know it's the best? Watch the video! In 2012, former Cal Berkeley quarterback Joe Ayoob officially broke the Guinness World Record by flying a John Colli...

Phases of the Moon, animated with Virtual Moon Atlas

Phases of the Moon, a beautiful video animation created using Virtual Moon Atlas and accompanied by Beethoven’s Sonata No. 14, (Opus 27, No. 2). Related watching to better understand th...

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...

Full Moon Silhouettes: A full moon rises in real time

This is not a time lapse video. Rising in real time over Wellington, New Zealand, the moon appears huge (and perhaps surprisingly speedy) as it was captured by photographer Mark Gee in January of 2013. In celebration ...

The Nicholas Brothers in the greatest dance number ever filmed

The co-curator has asked for this one daily since we first watched it, and it’s pretty clear as to why — it’s probably about the best dance routine I've ever seen. And I'm not the only one who thin...

OK Go: The Writing’s on the Wall

A four-minute, epic one-take video that adds to their highly ambitious visual collection of music, this is OK Go's The Writing's on the Wall. The series of forced perspective and anamorphic illusions, with a few gravi...

Automated Cake Icing and Decorating Machines

Cake-decorating robots! We generally prefer the whimsy and unique details that happen when humans decorate cakes, but this cake finishing equipment from food service manufacturing company Unifiller is interesting to w...

FlippyCat’s Spectacular Domino Rally Stunt Screenlink

Domino enthusiast Flippycat uses a huge collection of Domino Rally sets to screen link this longer chain reaction together -- 35 scenes total (all listed here in the notes). Screenlinks are separate tricks that are ed...