Puzzles

Watch: a full hotel with infinite rooms takes in infinite new guests

TED-Ed animates Hilbert's hotel: one new guest, then an infinite busload, then infinitely many buses — each fitted in by moving everyone already there to a cleverly chosen room.

— TED-Ed, The Infinite Hotel Paradox - Jeff Dekofsky — YouTube video

One credited idea per card. No filler. Swipe the rest in Savvy.

Keep swiping — it's free Works right in your browser. No app store needed.

More Puzzles

All Puzzles cards →

Five ideas worth knowing, every week

The week's best cards and a puzzle, credited as always. Free, unsubscribe any time.