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Topic: pressure
How to make Reindeer Rockets
If you want to study the physics of flying reindeer (and make a super fun mess in the process), make Reindeer Rockets. Maddie Moate and Greg Foot combine small plastic bottles with sports caps, some Alka-Seltzer or fi...
Shattering glass with the World’s Largest Horn
How do horns amplify sound? Why are they flared at the ends? And how do airhorns work? Mark Rober wanted to find out so he spent eight months building a massive air horn... perhaps the world's largest horn. In this...
Glaciers flow like rivers, a time lapse
Though they look solid and still, gigantic compressed masses of ice called glaciers flow, constantly moving like rivers. In this Secret Life of Ice clip, we see their awe-inspiring shifting with help from a time-lapse...
What happens to balloon animals in liquid nitrogen?
How can you fit a bunch of balloon animals into a small container? Add some liquid nitrogen into the mix, as demonstrated in this video by Real Physics Live, the YouTube channel for Texas A&M University's Department o...
How deep is the ocean?
How deep is the ocean? How far down have humans traveled and what did we find when we went there? This Tech Insider animation shows us the "vast distance between the waves we see and the mysterious point we call Chall...
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...
Sounding Shetland’s recently restored Sumburgh Head Foghorn
See what it takes to sound the foghorn at Sumburgh Lighthouse on Shetland Island in Scotland. In the video above, lighthouse engineer Brian Johnson starts up the three Diesel Kelvin engines, powering the compressors t...
An unexpected way to inflate a balloon – Numberphile
The kamifusen is a traditional Japanese paper (kami) balloon (fusen) toy that became popular in the 1890s and can still be found in a variety of designs or decorated as spherical koi, pufferfish, penguins, monkeys, ra...
How Do Glaciers Move?
Glacier ice is weird. It’s solid. Solid things aren’t supposed to flow. But glacier ice flows like a liquid, and it does that without melting! How is this possible? Travel to Alaska's Mendenhall Glacier with Joe H...
Why Do Deep Sea Creatures Look So Scary?
Why Do Deep Sea Creatures Look So Scary? Anna Rothschild of Gross Science explains how different it is at the bottom of the sea: Food can be scarce, there's tremendous ocean pressure, and it's dark. These environmenta...
How to Make a Cloud in Your Mouth – Physics Girl
To make a cloud in your mouth -- yes, this is a very cool trick that actually works with practice -- you'll need to make tiny water droplets in your mouth. Then up the pressure. Physics Girl Dianna Cowern demonstrates...
A solid, liquid, & gas at the same time – The Triple Point
How can a chemical be a solid, a liquid, and a gas at the same time? In the video above, a clear liquid called cyclohexane is experiencing the perfect pressure and temperature combination for its solid, liquid, and ga...
What’s the Loudest Possible Sound? – It’s Okay to Be Smart
"What is the loudest possible sound? What about the quietest thing we can hear? And what do decibels measure, anyway?" This video from Joe Hanson and It's Okay to Be Smart dives into the wide ranging and incredibly se...
How to make fizzy bottle rockets – ExpeRimental
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...
The ABCs of Gas – TED Ed
The gas laws were developed at the end of the 18th century, when scientists began to realize that relationships between pressure, volume and temperature of a sample of gas could be obtained which would hold to approxi...
What is wind? – It’s Okay To Be Smart
We were just watching how wind (and so many other things) can get going with the spin of the Earth, now let’s go deeper and find out more about what wind is with PBS’ Dr. Joe Hanson of It’s Okay To Be Sma...
What on Earth is spin? – TED Ed
What on Earth is spin? And why is it so special? In this TEDEducation video, educator Brian Jones explains how this dynamic affects our lives in all sorts of ways. There's a surprising ...
Kari Byron makes a cloud in a bottle
How do you make a cloud? On her show, Head Rush, Mythbuster’s Kari Byron demonstrates how clouds are formed by making one in a bottle. For this experiment, you can use a bicycle pump with a rubber stopper atta...
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