Forward Pass, Ref!
Relative motion, and why it can be so hard to tell in which direction things are moving. Like rugby balls, for example.
- watch
Surface Tension
An explanation of surface tension, and a simple experiment showing an airlock.
- watch
The Fate of the Universe
The complete history of the universe, including the bits that haven’t happened yet.
- watch
Professor Hartley’s Science Lesson (2)
The 1950s. School. Slate tablets, the cane, mortar boards… and buzzing straws.
- watch
Professor Hartley’s Science Lesson (1)
A stern schoolmaster shows his class a violent reaction. With predictably raucous results.
- watch
Orbiting X-Factor
An exciting film explaining important elements of orbiting in our solar system.
- watch
Music To Our Ears
Some simple experiments with sound, with explanations. And some very funny lines.
- watch
Miscible and Immiscible Liquids
Demonstration, observation, and description of how different liquids interact.
- watch
Flying Bottles
An air-powered bottle rocket. Like a water bottle rocket, only without the water.
- watch