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...of Fira. Explaining the 'air fall deposit'. Patterns in volcanic eruptions Richard Thorpe and Steve Blake travel to the Kameni Islands to look at craters from volcanic eruptions. How a lack of pattern makes predictions impossible. . The Crystal Fractionation experiment Simulating a magma chamber in a laboratory to show how the process of Crystal Fractionation works....

...Hooke's theory of arches, and explains that the forces at work witin an arch are the same as those in domes. Flying Butresses at Chartres The butresses at Chartres Cathedral are examined. Mathematic models describe how and why the top tier of butresses was added. Beauvais Cathedral A look at what happens when the forces in stone structures are not kept in equilibrium....

...work. A guide to wavelengths Sound, light, heat, radio, television and microwave. The universe contains more radiation than matter, in fact, we're surrounded by a sea of electromagnetic waves. Einstein and special relativity This famous theory connects time and motion. Presenter Robert Llewellyn and British athlete Kris Akabusi hit the track to show how speed actually...