Physics Educational Videos


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See video Magic Trick Cartesian Diver

How to make a Cartesian Diver which seemingly floats or sinks upon command. Demonstrates the principles of density and bouyency.

0:00 88 3.70
See video Modern Physics Quiz Key

This is the worked out key to the Modern Physics Quiz

3:53 966370 3.68
See video Cloud gravity waves

Gravity waves (not to be confused with gravitational waves) are waves generated at the interface between two media, for example the ripples created by a rock thrown into a pond. In the atmosphere, it is the result of air rising and sinking, gradually moving back towards its equilibrium point.

0:32 624 3.50
See video A solid that is lighter than air - SEAgel Aerogel

Aerogel (aka frozen or solid smoke) is the lightest solid ever made. It is used for thermal insulation and by NASA to trap space dust particles. This video demonstrates SEAgel, which is so light it can be lifted with static electricity.

1:12 274 3.40
See video Synchronisation of 5 coupled metronomes

Synchronisation of 5 coupled metronomes done in Lancaster University, Physics Dep, Nonlinear dynamics and medical physics group.

1:24 1107 2.85
See video Spraying hot water at -20 degrees Fahrenheit

When you squirt boiling water at -20 degrees Fahrenheit (-29 degrees Celsius) it instantly turns into snow (flash frozen).

0:26 347 2.71
See video Chill A Coke In 2 Minutes

Put it in a bowl of ice, water, and salt. The salt lowers the freezing point of water.

0:00 1707 2.70
See video Cymatics: Geometric Sound Patterns

An interesting experiment which shows sand on a vibrating metal plate forming various geometric patterns as a result of changing frequencies. Warning: it is a good idea to lower your volume before watching this video.

2:05 27 2.30
See video Pool filled with non-Newtonian fluid

A pool is filled with a mix of cornstarch and water made on a concrete mixer truck, so it becomes a non-newtonian fluid.

4:02 3169 1.54
See video physics 4:52 55714 1.46
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