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by JumpCrisscross 1597 days ago
> I don't know how you'd get them to line up from different angles

E-ink.
1 comments
errcorrectcode 1597 days ago
E-ink wouldn't line-up with anything without knowing there is only one observer and the coordinates of that observer. It would be better, cheaper, and simpler to have an inflatable replica of whatever it is.

https://en.wikipedia.org/wiki/Dummy_tank

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JumpCrisscross 1596 days ago
> without knowing there is only one observer and the coordinates of that observer

Like a satellite? (Agree this would fail with multiple satellites.)

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