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Arwen Tyler and the Rector demonstrating ‘Elephant’s Toothpaste’ (the catalytic decomposition of hydrogen peroxide by iodide), which got Imperial Festival off to a flying start.

Thousands of visitors including members of the public, alumni, staff and ÌìÃÀ´«Ã½ were in party mood on the Imperial's South Kensington Campus last weekend, as they explored the Imperial Festival - a two day insight into the wonderful and surprising world of life and research at the College. See for more information.