|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.
How to create hexaflexagons.
|Lions vs Hyena||
Two male lions kill a hyena, but the task is not easy. This video demonstrates how tough hyenas are.
|RMS Titanic - Original Pictures||
Original black & white photos of the Titanic, which sank on 15 April 1912, resulting in the deaths of 1,517 people.
A real transforming robot which can turn from a car into a humanoid-like robot. A larger scale version would have been even more amazing.
|A Vision of Students Today||
What are some of the most important characteristics of students today? How do they learn and what do they need to learn?
|Aurora Northern Lights Timelapse||
Auroras are colorful displays of light in the sky, most commonly seen in the polar regions.
|Time Travel: Einstein's big idea (Theory of Relativity)||
A little clip of how time travel can occur, taken from: The World's First Time Machine (Discovery Channel). Dr Ronald Mallett
|The Internet in 1969||
A remarkable prediction of future technology back in 1969, when the PC did not even exist yet (the first PC was the Apple II in 1977).
|Rat-brain controlled robot||
Scientists at Reading University have created a robot that is controlled by living rat brain cells grown in a lab.
An ingenious recreation of Pac-Man with Roombas - autonomous robot vacuum cleaners.
|Komodo dragon: one bite kill||
How can the Komodo Dragon kill a buffalo many times its size with a single bite? It is a mystery scientists are still trying to solve.