I presented a poster at the Oxford SIAM Student Chapter Conference on Friday. It was nice to win the prize for best poster, but mainly I enjoyed putting it together. For once it meant ignoring the technical details and anything requiring displayed formulae, and focusing only on aspects that could be conveyed with bullet points and images. Anyway, this is what I came up with. The real thing is sitting safely in a tube in my office, ready for the next time it is needed in a hurry!