By Pat, 23 February 2013
Symmetry can be tricky, especially when you’re a chemist. Grab some plasticine and discover why a mirror doesn’t always make a perfect copy.
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By David Shaw, 18 December 2012
In this crafty maths activity, you’ll get to make a decoration in the shape of an octadehron.
By Pat, 20 November 2012
Chemical formulas, such as H2O (water) and CO2 (carbon dioxide), are handy as they identify which atoms are present in a chemical compound. This can in turn help to make predictions about their properties. But only knowing which atoms make up a compound sometimes isn’t enough. It helps to know how the atoms are arranged.
By David Shaw, 14 August 2012
Imagine a flat spiral, similar to a snail’s shell, coming closer and closer to a point. Now imagine more spiral lines, all centred on the same point. This shape looks like the clouds over a cyclone, or a whirling galaxy.