The trick to a great lavalamp is finding two fluids that won’t mix.
Subjects: Physics
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The Egg-Zooka
A shopvac can be transformed into a simple cannon, launching projectiles using air pressure.
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Pulling a Car/Cracking a Nut
Alan demonstrates how mechanical advantage helps humans do things that would normally require superhuman strength.
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Making Ice Cream
Here’s a simple, effective, and delicious way to make ice cream without a freezer, and learn some physics in the process!
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Hydrophobic Materials Keep Water Away!
Lots of materials absorb water, but what sort of materials actually repel water, and how does water behave around them. Here are some fun ways to stay dry when you’re surrounded by water!
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Make Your Own Doorbell
The simple doorbell is a wonderful piece of technology built around a device called a solenoid. Make your own!
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Why Do Balls Bounce?
Learn about the difference between elastic and inelastic collisions. It’s all about conserving kinetic energy!
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Rosin Up The Bow
Violins and cellos make beautiful music when a skilled musician runs a bow across the strings. But why do they apply rosin to the strings before playing? It’s all about vibration!
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Spinning Tops
Explore the strange physics that keep spinning tops from falling down. What is it about spinning that makes objects stable, and seemingly able to defy gravity?
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How to Disappear
Make a test tube disappear before your eyes, and learn about the index of refraction.