Article
Something from nothing?
If you can prove that a statement can't possibly be false, does this mean it's true?
Article
Heisenberg's uncertainty principle
There are limits to how much you can simultaneously squeeze the quantum fuzziness of an electron's position and momentum
News story
Clocking the schedule
The way many football leagues schedule their fixtures can lead to unfair effects — and unsolved maths problems!
Article
The real numbers and Cauchy sequences
We take the real numbers for granted, but what are they really?
Article
Citizen science: Schumann resonances
Resonant electromagnetic waves, created by lightning flashes, circle the Earth. Wim Hordijk explores the maths and shows how you can keep track with these phenomena.
Article
Maths in a minute: Chomp
A game involving biscuits and maths — what could be better?
Article
Maths in a minute: The axioms of probability theory
Take a quick trip to the foundations of probability theory.
Article
Arithmetic billiards
Need to find the least common multiple or greatest common divisor of two numbers? A billiard table of the right proportions holds the answers!
Article
The maths of randomness
Randomness is surprisingly hard to define. Fortunately the mathematical language we use to describe it is beautifully well defined.
Article
The maths of randomness: universality
The second guiding principle in probability theory is more subtle – universality.
Article
The maths of randomness: symmetry
Symmetry is one of the two guiding principles in understanding probabilities – if different outcomes are equivalent they should have the same probability.
Article
The two envelopes problem solved
Here's a resolution for one of probability theory's most famous paradoxes.