In a thought experiment first proposed in the 1920s, the Hilbert’s Hotel has an infinite number of rooms and helps demonstrate some of the strange properties of infinity.

An infinite hotel sounds like the one place that should never run out of room. But once the wrong kind of guest problem appears, even infinity starts to break in ways that feel almost impossible. What ...

An infinite hotel should never run out of rooms — yet this famous thought experiment shows how it can. The video walks through a paradox that challenges intuition, logic, and the way people think ...

(via Veritasium) If there's a hotel with infinite rooms, could it ever be completely full? Could you run out of space to put everyone? The surprising answer is yes -- this is important to know if ...