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Jan 11, 2022 at 15:04 answer added Victor Eijkhout timeline score: 0
Sep 19, 2020 at 22:15 comment added ctrl-alt-delor @Polygnome not only is it not hound, we have found a mathematical prof of its non existence. I teach about these ideas in my e-safety class. If you can see it then you can copy it. Any attempt to make it harder to copy will come fowl of anti-discrimination / accessibility laws.
Sep 19, 2020 at 22:00 comment added ctrl-alt-delor This is the best that I can think of en.wikipedia.org/wiki/Lenticular_printing
Sep 13, 2020 at 8:20 comment added bobsburner Can you add an example of a sample answer that can be copied verbatim without being obvious cheating? Are these answers short enough to make that happen by chance?
Sep 12, 2020 at 7:03 answer added jwpfox timeline score: 6
Sep 12, 2020 at 4:30 answer added hackor timeline score: 0
Sep 11, 2020 at 23:45 answer added Ángel timeline score: 0
Sep 11, 2020 at 23:26 answer added Ángel timeline score: 4
Sep 11, 2020 at 23:21 answer added Anonymous Coward timeline score: 6
Sep 11, 2020 at 23:16 comment added D.W. @Polygnome, I can understand where you would get that impression, but no, I am not. See my comments here.
Sep 11, 2020 at 23:14 comment added Polygnome If people can in any way see the solution, they can reproduce it in whatever form they want. You are looking for the holy grail of DRM, which nobody has found thus far.
Sep 11, 2020 at 9:01 comment added Daniel You can use unsee.cc - But people will take screenshots.
Sep 11, 2020 at 8:06 answer added somethingsomething timeline score: 7
Sep 11, 2020 at 6:26 history became hot network question
Sep 11, 2020 at 3:00 answer added Fritz Sieker timeline score: 7
Sep 11, 2020 at 2:26 comment added Ben I. This is such a central question.
Sep 11, 2020 at 2:26 answer added Ben I. timeline score: 17
Sep 10, 2020 at 22:24 history asked D.W. CC BY-SA 4.0