# Wavelengths of light are in which direction?

**URL:** <https://boards.straightdope.com/t/wavelengths-of-light-are-in-which-direction/951029>\
**Category:** Factual Questions\
**Created:** [September 20, 2021, 11:57pm UTC](https://boards.straightdope.com/t/wavelengths-of-light-are-in-which-direction/951029 "2021-09-20T23:57:28Z")\
**Posts on this page:** 1\
**Page:** 3

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**Author:** ![markn\_1](https://avatars.discourse-cdn.com/v4/letter/m/f9ae1b/32.png) [@markn\_1](https://boards.straightdope.com/u/markn_1)\
**Post date:** [September 28, 2021, 6:42pm UTC](https://boards.straightdope.com/t/wavelengths-of-light-are-in-which-direction/951029/41 "2021-09-28T18:42:30Z")

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> [@komolono](#):
>
> Light has no direction, because it is a wave. A mechanical wave (like those you see on water) is a circle - light is a sphere.

How do you reconcile this light is emitted in all directions theory with the obvious unidirectional emission of light from a laser?

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