Wankpuffin – Science is a Cruel Mistress

The results are in, voting in the WOTY 2017 poll is over and we have a clear winner. In reverse order. In third place Brendan Cox, no doubt for his sterling work in the charitable [more…]

A Sophie Germain prime is a prime number such that is also a prime number. That is, ,  where and are both prime.  For example, . The sequence begins Sophie Germain () explored these primes [more…]

Read as : the limit, as approaches infinity, of subfactorial divided by factorial is equal to divided by which approximates to , where is Euler’s number, The Hat Check Problem, as first described by Montmort [more…]