On: Ask HN: I think I know how to build a Holodeck-like 3D projector, now what?

[krapp]

If you don't understand why others have failed, how can you claim to even understand the problem, much less provide its solution?

[elisk → krapp]

I can disclose the details privately, the underlying is complicated, but working (with plenty of examples), but the device I'm proposing isn't.

[krapp → elisk]

I would be interested to know what an actual engineer or physicist thinks of the details -- they're useless to me.