This unique phenomenon can be easily reproduced in a pool on a sunny day.

Want to support more videos like this? Patreon.com/physicsgirl A mud puddle started moving across the California desert, and no one knows why. Dianna visited the mud spring to find out how a puddle became declared a natural disaster....

In the early 2000s, physicist found a diamond they’d been searching for. Find out what it was used for.

Using a ShakeWeight, how long would it take to produce enough energy to power a house for a day? Are we making progress toward clean and alternative energy sources? PBS Digital Studios is grateful to Bill and Melinda Gates for their...

Have you ever seen a blur of color when looking away from a projector screen? Or noticed how flashing lights look different colors when you move your eyes? This is an everyday mystery! The answer lies in persistence of vision and how...

Are you a bored adult or a parent stuck at home? Try these DIY science experiments! SAFETY TIPS FOR TEA BAG ROCKET • Flammable surfaces: DO NOT light tea bags on a flammable surface. Experiment should be conducted on a fireproof surface,...

How an 8000V electromagnet can be used to shrink a quarter. The interplay between electric and magnetic forces leads to the Lorentz Force and Faraday’s law of induction which can be used to shrink a quarter, or any other type of metal coin.

Magnet paper or magnet film shows you where magnetic fields are. With MKBHD, Dianna explores how magnetic paper works, what devices look like with the paper, and a mystery magnet.

What the heck are spider-web rainbows? What are these rare white rainbows, and how do they form?

I left a physics job to do software engineering. Was it worth it? What do software engineers actually do?

Dianna Cowern from Physics Girl and Simone Giertz take this viral bucket riddle to the real world with a physical test. Which tank will fill first?

Create half-ring vortices in a pool by sliding a plate through water and adding food coloring to the ends.

Polarized light is an unusual form of light. Can humans see when light is polarized?

How do scientists mimic the physics of a hurricane on the surface of a bubble? What other types of crazy research are bubbles used for? Learn how to create colorful vortices on a bubble in your kitchen!

Liquid oxygen has unusual magnetic properties. This demonstration with the MIT Technical Services Group and a crazy blowtorch demonstration on the curie point of iron share a glimpse into how different kinds of magnetism work.

Ever wanted to know how those vomit comet planes simulate weightlessness?

Try to sing the impossible note! Singers try to sing into a pipe, and find certain notes are impossible to sing, even for professionals. WHY?! More facts: Most objects have a number of different resonant frequencies. The first resonance...

Learn how to make a wispy cloud come out of your mouth, even when it's not cold out. Like any awesome trick, physics is to thank for the mouth cloud. This simple and fun demonstration can be used to explain the cloud in a bottle...

Can you answer the spool riddle? Special guest Anne Wojcicki joins Physics Girl for the answer(s?!) to the hiker riddle and to hear the next riddle in the series.

On this episode, Mark is getting shocked... by an Electric Eel! Yep, you read that correctly.. he's sticking his hand in a tank to experience the full force of the shock of an electric eel - so, how badly will it hurt, and will he be...

Lesson 13 (Collisions) of Dianna's Intro Physics Class on Physics Girl. Never taken physics before? Want to learn the basics of physics? Need an AP Physics 1 review before the exam? This course is for you! Exercises in this video: 1. Are...

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Spinning toys and tops have unusual behaviors. The famous tippe top flips itself over and spins on its stem. The PhiTOP stands up on its end, which you can also do with a hard-boiled egg. These behaviors all have to do with torque and...

The zero g plane, also known as a parabolic flight, or the vomit comet, flies in parabolic trajectories to give a brief experience of weightlessness. This flight, operated by Novespace in Bordeaux, France, offered 14 weightless...