Journal Journal: Granular Matter Paper 3
If you pour sand onto a flat surface to form a pile, how does the impact energy of the sand determine the shape of the pile? This question has interested philosophers for ages. It has remained one of science's open problems, physics's answer to the Riemann hypothesis.
Or not. But anyway, I found it interesting, so I'm writing a paper about it for my IB extended essay. For those of you unfamiliar with IB, this is the equivalent of a senior research project.