Quantum histories get all tangled up

Tracing a particle’s past requires multiple chronologies, physicists say

forking road graphic

TEMPORAL FORK  When there’s a fork in the road, nature may take Yogi Berra’s advice and take it. A new experiment suggests that reality can split into multiple intertwined timelines, a phenomenon termed “entangled histories.”

tiero/istockphoto

This article is only available to Science News subscribers.

Subscribers, enter your e-mail address to access our archives.

Not a subscriber?

Science News is a nonprofit.

Support us by subscribing now.

More Stories from Science News on Quantum Physics

From the Nature Index

Paid Content