Suze Kundu brings all the fun as she talks about her work in artificial photosynthesis - a technology which could revolutionise our energy supplies and provide fuel for trips to Mars. A nanochemist both by name and by nature she also shows Matilda how to whip up her very own 'silly putty' using only water and cornflour, and explains the life-saving (and foot-saving!) properties of non-newtonian materials.

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