Subscribe now

Letter: Tea or coffee? One universe or two? (2)

Published 24 April 2024

From Mike Child, Bedford, UK

So every time I choose tea or coffee, a new universe is produced. The observable one I inhabit has a mass of 1053 kilograms, so every time I make a decision, I make this many more kilos. Really?

Issue no. 3488 published 27 April 2024

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up
Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop