![](https://blog.scienceborealis.ca/wp-content/uploads/sites/2/2015/04/Chem_engagementcard.jpg)
by Tyler Irving Chemistry subject editor When my wife and I got engaged, one of our friends gave us a very special card featuring a familiar-looking shape. Drawing on my undergraduate chemistry courses, I identified it as the face-centred cubic crystalline structure of diamond; the little “C’s” stood for carbon. This was my first introduction […]