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A comment on Spy camera detection using smartphone time-of-flight sensors. Parent comment

Re:Spy camera detection using smartphone time-of-flight sensors by user-the-name on Friday November 19, 2021 @06:06AM (#29276009)
There's no such thing as a "one way tint".

https://en.wikipedia.org/wiki/One-way_mirror#Principle_of_op...

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Re:Spy camera detection using smartphone time-of-flight sensors by nomel on Friday November 19, 2021 @01:36PM (#29280649)
This is a simple implementation of a one way mirror.

Metamaterials have a chance at at: https://www.nist.gov/news-events/news/2014/07/new-nist-metam...

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