Topic: physics

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The Very Hungry Maggot: How larva farming can help reduce food waste

How are maggots like waves in an ocean? How are they like puppies? In this fascinating Macroscope video from Science Friday, The Very Hungry Maggot, we meet David Hu, a mechanical engineering professor who's studying ...

The Cake Server, a delightfully complex food-themed Rube Goldberg Machine

Rube Goldberg Machines are not only made from a series of imaginative engineering marvels, they're also well-known for being overly complex in comparison to the task achieved. In this intricate machine by Joseph Hersc...

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, ...

Spinners, a Kaplamino marble run with 10 fidget spinner tricks

Ten fidget spinner tricks keep this marble run moving slowly but steadily forward in one long and delightful take. Spinners is the latest chain reaction video by marble run aficionado Kaplamino. There are more Kapl...

Stephen Hawking explains black holes in 90 seconds

What are black holes? What's happening inside of them? You can't tell from the outside... but could you travel through one to find out? From his BBC Reith Lecture and animated by Aardman Studios for BBCRadio4, British...

Making lime with Primitive Technology

Making use of the unoccupied shells of native rainforest snails around his original land, Primitive Technology makes lime mortar by firing them in his pottery kiln, slaking the calcined shells with water so that they ...

The Harlem Globetrotters’ Rube Goldberg Trick Shot Machine

This basketball, simple machine, and mechanism-filled Rube Goldberg Machine is powered by the work of students from Georgia Tech's colleges of Industrial Design and Music, and some signature Globetrotters magic courte...

Steel track rolling ball sculptures by kinetic artist Tom Harold

With thin rails of hand-bent and welded stainless steel, kinetic artist Tom Harold creates intricate marble tracks full of twists, turns, hinges, and swirls. Titled 'Tomfoolery,' the piece above was specially made for...

Smashing stuff with neodymium magnets

What happens to a cluster of grapes when it's in between two large, very strong and potentially dangerous neodymium magnets as they collide? Science presenter Kevin Delaney and his team demonstrate the power of these ...

How to make homemade slide whistles

Bamboo, PVC pipe, wood, or even a carrot! Slide whistles can be made from all sorts of materials, and are fun to make, play, and learn physics with. In this episode of Homemade Science, teacher Bruce Yeany shares his ...

Making Artificial Earthquakes with a Four-Tonne Steel Ball

In Göttingen, Germany, there's a four-tonne steel ball that can be raised up a 14-metre tower -- and then dropped in less than two seconds, crashing back to earth. It makes tiny, artificial earthquakes. Tom Scott v...

The Sound of Ice: Skating on thin black ice makes sci-fi movie laser sounds

This small lake outside Stockholm, Sweden, emits otherworldly sounds as Mårten Ajne skates over its precariously thin, black ice. “Wild ice skating,” or “Nordic skating,” is both an art and a science. A skater seeks o...

The Blue Marble, an uninterrupted catapult-filled magnet marble run

After 3 months of work and probably more than 500 fails, I'm happy to present you my best video ever. Since magnets and marbles I've always wanted to make a big chain reaction in one take with this 2D style! It's ...

“Balloons look really weird when they resonate.” – Steve Mould

What is the resonant frequency of a balloon? Steve Mould hooked up a balloon to a scientific vibration generator to find out. Resonating balloons look really odd on camera. What you see is a sort of slow motion. ...

Magnetic fields make this tiny robot roll, jump, swim, and wriggle

This very small elastic strip is a robot that can walk, roll, jump, swim, and wriggle like a worm. Infused with magnetic particles, it responds to the strength and direction of magnetic fields surrounding it. As scien...

The Engineering of the Drinking Bird

How is a drinking bird like a heat engine? In this video from Engineer Guy Bill Hammack, we can see how this famous drinking/dipping bird toy "exploits a temperature difference to convert heat energy to a pressure dif...

The surprising interactions between copper and neodymium magnets

Experiments with super strong neodymium magnets and copper! These surprising demonstrations of magnetic damping go beyond the magnet through a copper tube demo that we've previously seen. Watch as Night Hawk in Light ...

Dance & the physics of rotation – PBS Kids’ What’s Good

Dance, twirl, flip, extend, spin, twist, leap, defy gravity and get to know the science of movement that drives it all. Breakdancers B-Girl Eren and Tori Torsion talk about why they love to dance, and how practice, ha...

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