Today, Doctor Campbell will be demonstrating how dry ice changes it's state from solid straight to gas. A process known as sublimation. He also shows you some of the fun you can have with solid carbon dioxide
Today, Doctor Campbell demonstrates how to make a salt. You take an acid and a base and let them react. With this reaction, you get a nice bit of gas released so we have the joy of a small explosion...
Today, Doctor Campbell will be demonstrating that the law of gravity hasn't changed in the past 400 years by dropping to cans (one empty and one full) off a step ladder.
Dr Campbell investigates wether it is possible to thow an egg up to the height of a house and have it land on grass without breaking. This idea came from the New Scientist back in the 1960s
I was at the Great British Beer Festival on August 2nd 2006. I saw Charles Kennedy walking along eating a burger and with a pint of beer tucked in his arm. I thought he had cleaned up his act but it just goes to show, a leopard never changes it's spots.