Toys are not idle knick-knacks: they allow us to explore otherwise impossible terrain; fire the imagination; provide sparks for structured play. They do not just entertain and delight; they stimulate and inspire. And always, they remind us of the value - and values - to be found in abstract play.
Tagged with “code” (2)
Everything we buy, from books to baked beans, has a product code printed on it. More sophisticated check-digit codes exist on official documents, bank notes and air tickets. What are they for and what do they mean? We take a look at the mathematical structure of these codes and explain their purposes. And in this age of boundless surveillance, are there enough numbers for each of us to have a serial number of our own?
Talk given by Professor John D Barrow FRS