Uploaded May 2023 | Updated September 2026, 2 weeks ago

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A saddle point is a point that is concave and convex at the same time, so what's it like to look into a mirror like that?

A huge thank you to Brian at AlphaPhoenix for the first mirror. Check out his brilliant video showing how it was made: youtu.be/fyD1yv-6sTc and be sure to subscribe!

And a huge thank you to Andrew Draminski and Michael Barson for the second mirror.

My video about caustics: youtu.be/wk67eGXtbIw
My video about Chinese Magic Mirrors: youtu.be/v2yV6IeL-Jw

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stevemould.com/books

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