[oneshot908]

1. Yes 2. No, what are you smoking? I want some.

A "viable" Holodeck is a technology sufficiently advanced compared to the present day so as to be indistinguishable from magic. Ergo, no Holodeck anytime soon. No Arnold Judas Rimmer hard light holograms either because WTF is a hard light hologram in the first place?

[mlevental]

photons do have momentum...

[Eochei5h]

enough photons to make you feel that momentum will also carry enough energy to vaporize you.

[justwalt]

Well, when you put it that way..