# Through the Looking Glass—How Do Mirrors “See” Hidden Objects?

**URL:** <https://scanalyst.fourmilab.ch/t/through-the-looking-glass-how-do-mirrors-see-hidden-objects/3075>\
**Category:** Tracking with Closeups\
**Tags:** reflection, ray-tracing, optics, mirrors\
**Created:** [21 April 2023 14:47 UTC](https://scanalyst.fourmilab.ch/t/through-the-looking-glass-how-do-mirrors-see-hidden-objects/3075 "2023-04-21T14:47:16Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![johnwalker](https://scanalyst.fourmilab.ch/user_avatar/scanalyst.fourmilab.ch/johnwalker/32/17415_2.png) [@johnwalker](https://scanalyst.fourmilab.ch/u/johnwalker)\
**Post date:** [21 April 2023 14:47 UTC](https://scanalyst.fourmilab.ch/t/through-the-looking-glass-how-do-mirrors-see-hidden-objects/3075/1 "2023-04-21T14:47:16Z")

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[![](https://scanalyst.fourmilab.ch/uploads/default/original/2X/d/d1d3a69abda16bb35e44b2935b2c63c479e72ccf.jpeg "What Would Happen If You Went In a Mirror?") ](https://www.youtube.com/watch?v=ezUmSO_OAxY)

If you look at it as a ray tracing problem from the eye to the object via the mirror, it’s actually pretty straightforward.