Cuttlebone's microstructure sits at a 'sweet spot'
Friday, September 11, 2020 - 19:10
in Physics & Chemistry
A professor has a lesson in one of his mechanical engineering courses on how brittle materials like calcium carbonate behave under stress. In it, he takes a piece of chalk composed of the compound and snaps it in half to show his students the edge of one of the broken pieces. The break is blunt and straight.