Maths and Stats by Email | Minimal surfaces: " Feral fences foster furry friends
Take two pieces of string of equal length. Take one piece and create a square. Cut the other piece in half and make two squares. Now imagine these pieces of string are fences, kilometres long. The fences protect a reserve of endangered bilbies from feral foxes and cats. So, if you have money to build fences, what’s better: one enclosure, or two?"
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