Shiny Pebbles and other stuff

In mathematics (and before that, arithmetic) we get used to dealing with numbers in various ways. But what is a number? ...

'Everybody knows' that the uncertainty principle of quantum mechanics tells us that we can't make a measureme...

What is the relationship between Russian peasant multiplication and modern cryptography? Unlike the multiplication proce...

The reason why, we really should discuss. So, why is the result of multiplying two negatives numbers together a posit...

Schroedinger's cat is not alive, is not dead, and is not simultaneously alive and dead. It's more interesting tha...

At secondary school and then university, we meet a variety of definitions of the derivative, all motivated by the fundam...

Greatest Common Divisor The problem is simple: given two positive integers, \(a\) and \(b\), how do we find \(\gcd(a,b)\), the greatest ...