More from Chalkdust
I’m counting on it
Joe Celko looks at four different abacuses used throughout historyCat among the pigeons
Some interesting observations with the pigeonhole principleIs it possible to reach absolute zero?
After 100 years, a key postulate of the third law of thermodynamics has been proven. We meet Lluis Masanes, one of the researchers responsible.Fractional calculus: the calculus of witchcraft and wizardry
How can we differentiate a function 9¾ times?100 years with the Sierpinski triangle
Three ways to obtain and generalise a beautiful fractalKlaus Roth
(1925 - 2015)