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Crime Scene Chemistry

Crime Scene Chemistry – Luminol, Blood & Horseradish

Anyone who’s watched CSI or similar shows knows that, whenever the investigating team are on the scene of a gruesome and bloody murder, luminol solution gets sprayed liberally over absolutely everything. The result is a pale blue luminescence whenever the solution meets blood, which itself is a consequence of a chemical reaction that the blood […]

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Colourful Chemistry

The Chemistry of Glow Sticks

Everyone’s familiar with glow sticks, but it’s likely that fewer are familiar with the┬áchemistry behind their glow. You may have wondered what happens when you snap a glow stick to activate it; by doing this, you’re actually kicking off a chemical process that eventually leads to the production of the coloured light. But how does […]