Topic: physics

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Guinness World Record – The largest popsicle stick chain reaction

According to Austrian Domino Art, the Tulln Domino Team of Austria set a Guinness World Record on March 30, 2015 for the largest stick bomb, also known as a popsicle stick chain reaction. The total: 30,849 sticks in ...

A waterless & chemical-free sound wave fire extinguisher

Using low-frequency sound waves to put out flames, this experimental fire extinguisher is the work of George Mason University engineering seniors Viet Tran and Seth Robertson. Watch as they Pump Up the Bass to Douse a...

Slime Cannon Attack – How Velvet Worm slime jets work

Giant velvet worms (Peripatus solorzanoi) are unusual creatures for many reasons -- including the fact that they are "not worms, not insects, millipedes, centipedes, or slugs" -- but their super-sliming glands, rapidl...

Stanford researchers solve the mystery of the dancing droplets

This beautifully-made video about a beautifully-colored series of experiments from a Stanford research team showcases how a observing a few droplets of food coloring -- made of water and propylene glycol -- have led t...

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

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...

ScienceTake: The Praying Mantis Leaps

In this ScienceTake from The New York Times, we watch a young praying mantis leap over and over and over again... a completely fascinating, rather cartoon-like action that can be super-useful for scientists and engin...

Veritasium: How (and Why) Do Chameleons Change Color?

There is a misconception about chameleons... that they change their color in order to blend in with their environment. That is actually not the case... So why do chameleons change color and how are they doing it? ...

ExpeRimental: How to make fizzy bottle rockets

This ExpeRimental episode from The Royal Institution is full of super explosive fun. Danielle and Michael show a group of kids how to make fizzy bottle rockets with some small, sports-capped plastic bottles, some Alka...

Tops (1969) by Charles and Ray Eames

Charles Eames was quoted to have said, "Toys are not really as innocent as they look. Toys and games are the preludes to serious ideas." He and his wife Ray, both iconic designers, seemed to take this play-based appro...

How to make smoke rings with a simple DIY vortex cannon

If you're looking to make a simple vortex canon for shooting smoke rings across the room, you'll like this DIY video by Dave Hax. All you'll need is an empty plastic bottle, a balloon, and an incense stick, preferably...

ExpeRimental: The Soap Boat Water Experiment

Send molecules flying with this super fun and easy science experiment for kids (and adults): The Soap Boat Water Experiment from The Royal Institution's ExpeRimental series. Comedian Rufus Hound and his son Alby make ...

How is an ice sculpture made? SciFri investigates frozen water

What's So Cool About Frozen Water? Art and science come together to uncover some ice-expert-level details in this 2012 Science Friday report. Shintaro Okamoto, founder of NYC's Okamoto Studio, and Erland Schulson, Dar...

ExpeRimental: Candle Chemistry

In this episode of ExpeRimental, Lisa and Josh explain the unseen as they make a flame jump through the air. Josh also measures how long it takes for covered candles to extinguish on their own. There's more activity i...

The Physics of Popcorn: Why Popcorn Also Jumps

What happens when a popcorn kernel pops? Heat! Pressure! The hull splits. Water vapor escapes. POP. And then there's a somersault that sends it flying in the air! But how? Watch as ScienceTake explains in detail: ...

Physics Girl: The Stacked Ball Drop (and Supernovas)

How is a supernova like a basketball, a bouncy ball, and a golf ball all stacked together? It's all in what happens when you drop them. In this video, Physics Girl Dianna Cowern demonstrates the momentum transfer betw...

Dara Ó Briain’s Science Club: Breaking a glass with sound

From Dara Ó Briain’s Science Club, watch as Professor Mark Miodownik finds the resonant frequency of a wine glass, as indicated by the small vibrating slip of paper balancing on the edge. When he cranks up the volume,...

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 ...