Topic: speed

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Can you push a spacecraft with light? – Physics Girl

In this episode from Physics Girl, Dianna Cowern explains how space ships can use sunlight to travel the stars in the same way that boats use wind to move across the seas. While solar sail spacecraft design is a more ...

Circular motion demonstration with a sparkler & a hula hoop

From physics teacher and film maker Alom Shaha, check out these simple demonstrations showing how something moving in a circle will move in a straight line when you remove the centripetal force acting upon that thing....

The fastest wire bending machine in the world

Advertised as the fastest wire bending machine in the world, the AFE-2D6 ULTRA CNC Wire Bender from Automated Industrial Machinery, Inc can create a variety of perfectly bent shapes in a ridiculously short amount of t...

Squeeze in where you can! – The World’s Busiest Railway

Where can you find a seat on a crowded train from Mumbai to Kolkata? The answer: Anywhere you can... including a baggage rack or another person's lap. From The World's Busiest Railway on the BBC, Anita Rani talks and ...

Why do autumn leaves cause train delays? – Liz Bonnin

Why do 'leaves on the line' cause train delays, especially in autumn? The serious danger comes from a series of physics challenges: Leaves are sucked onto the tracks by the fast moving trains. The train wheels crush t...

The Quietest Race in the World – The Formula E

What goes 225 kilometers per hour (140 miles per hour), but is only 15 decibels louder than a group conversation? Check out this Fusion video about the innovative Formula E and The Quietest Race in the World: The s...

Speedy street violinist – An up close look at how a violin is played

Get an up close look at the speedy fingerboard and bow action that can go into playing the violin. Musician Павел Фрумин (Pavel Frumin) plays a rapid fire composition in the streets of Kiev, Ukraine with two GoPro cam...

Rachel Atherton’s downhill mountain biking victory at Vallnord

Attack the fast, twisty, often steep, jump-filled, rock and root riddled track at the 2015 UCI MTB World Championships in Vallnord, Andorra with British downhill mountain bike champion Rachel Atherton. Her World Champ...

The stoplight loosejaw, the marlin, & Extreme Life of the Sea

Challenging environments can help create some of the most marvelous evolutionary solutions. Two examples: The stoplight loosejaw and the marlin. The Stoplight Loosejaw is a small, deep sea dragonfish that has an "i...

EV acceleration world record – 62 mph (100 km/h) in 1.779 seconds

This tiny electric vehicle, built by GreenTeam Uni Stuttgart e.V. from the University of Stuttgart, set a new Guinness World Record for acceleration of an EV when it reached 62 mph (100 km/h) in just 1.779 seconds. Fr...

Brandon Semenuk’s unReal mountain bike ride in one 3 minute shot

In one beautifully-produced, continuous shot, professional mountain biker Brandon Semenuk bombs a freshly built track down and around some magnificent hills in Cambria, California. Semenuk's jumps, flips, twists, turn...

An Individual Cycle Sport Stacking World Record of 5.000 seconds

Sport stacking (also called cup stacking and speed stacking) first gained popularity in the 1980s, and under the guidance of the World Sport Stacking Association (WSSA), continues to hold championships and tournaments...

Exploding plants disperse their seeds with high pressure bursts

Violets, poisonous squirting cucumbers, and touch-me-nots or Impatiens capensis (not to be confused with these touch-me-nots) have an effective way of dispersing their seeds: They burst! The forceful ejection sends th...

A ribbon worm explores its surroundings with its proboscis

What's super bright green, explores its surroundings with a really long pink tendril, and has become a viral sensation since it was recorded by a fisherman in the Penghu Islands, Taiwan? From National Geographic: ...

Emperor Penguins Speed Launch Out of the Water

We've seen a video of penguins rocketing out of the water as if powered by jets, but we've never seen it happen from underwater... until now. In this National Geographic clip, photographer Paul Nicklen captures how th...

CD shattering at 170,000 frames per second – The Slow Mo Guys

In this slowest episode of The Slow Mo Guys ever, Gav and Dan spin a CD at 23,000 revolutions per minute (rpm), causing it to shatter rather spectacularly. The results were filmed with a Phantom V2511 at 28,500 frames...

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...

It’s Okay to Be Smart: Where Do Birds Go In Winter?

Where do birds go for the winter, and when did we first figure out where they were disappearing to every year? Do they go to the moon, or are they off to fight battles with goat-riding armies? (Spoiler alert: Those th...

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