Find out about these important results that destroyed a mathematical dream.
Can a mathematical object be said to exist if you can't construct it?
If you can prove that a statement can't possibly be false, does this mean it's true?
What are mathematical proofs, why do we need them and what can they say about sheep?
Most of us have a rough idea that computers are made up of complicated hardware and software. But perhaps few of us know that the concept of a computer was envisioned long before these machines became ubiquitous items in our homes, offices and even pockets.
