# ­xkcd thread **URL:** https://boards.straightdope.com/t/xkcd-thread/854574 **Category:** Cafe Society **Tags:** comic-strips **Created:** [May 28, 2020, 12:57am UTC](https://boards.straightdope.com/t/xkcd-thread/854574 "2020-05-28T00:57:03Z") **Posts on this page:** 1 **Showing post:** 2754
### Author: ![Lumpy](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/lumpy/32/446_2.png) [@Lumpy](https://boards.straightdope.com/u/Lumpy) #### Post date: [February 25, 2024, 5:46pm UTC](https://boards.straightdope.com/t/xkcd-thread/854574/2754 "2024-02-25T17:46:40Z")
Light behaves like particles when it’s emitted or absorbed, and like waves in-between. Which led to my question in another thread over whether photons “exist” while in transit. [Do photons exist? - #17 by Lumpy](https://boards.straightdope.com/t/do-photons-exist/554215/17) --- _[View the full topic](https://boards.straightdope.com/t/xkcd-thread/854574)._