(Phys.org)—In 1924, the mathematician David Hilbert described a hotel with an infinite number of rooms that are all occupied. Demonstrating the counterintuitive nature of infinity, he showed that the ...

Physicists have created a quantum version of a famous thought experiment: the so-called Hilbert Hotel, which is always full and yet a vacancy can always be found for additional unexpected guests. Back ...

Find out about an old paradox dreamed up by mathematicians in the roaring twenties. It takes a simple (and hypothetical) hotel and uses it to peer into the eyes of the infinite. After a long, tedious ...

(via Numberphile) Tom Crawford teaches at both the University of Oxford and the University of Cambridge. At Oxford he is the Public Engagement Lead at the Department for Continuing Education, and a ...