Analytic continuation and the famous series 1 + 2 + 3 + ⋅⋅⋅ We have all heard about this. Two physicists, Tony Padilla and Ed Copeland at...

What is the factorial of 1/2? What is your favorite function? If your answer is not the gamma function, then I’ll ask you again after you...

And the Geometry of Numbers This is part two of a series about Leonard Euler (1707–1783). You can read the first part here. Before we...