(adsbygoogle = window.adsbygoogle || []).push({}); feynman's "every possible trajectory theory"

does feynman's "every possible trajectory theory," where quantum particles travel through all pths before reaching an endpoint, mean that they also travel into the past?

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Feynman's every possible trajectory theory

**Physics Forums | Science Articles, Homework Help, Discussion**