(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**

Dismiss Notice

Join Physics Forums Today!

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

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**