What is nanotechnology? Recent surveys indicate that most Americans don’t have a clue. (The good news is that most of the rest of the world doesn’t either.) Competing definitions are in circulation.

It started with a short in-class question. If you know the mass of one mole of platinum and the density of platinum, what is an estimate for the diameter of one platinum atom? Of course, this ...

The classification and systematization 1,2,3 of heterogeneously catalysed reactions as ‘demanding’ or ‘facile’, with the former term describing dependence on catalyst particle size and the latter ...