Comment by F0sh on 24/07/2024 at 17:24 UTC

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View submission: Ask Anything Wednesday - Engineering, Mathematics, Computer Science

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A Heads-up-Display is just a reflection of a display in a piece of transparent material. If you put up a piece of glass so you can see what's on the other side, you can also shine a light at it from *your* side and see the reflection of the light.

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There's nothing here!