What do you think about invisibility suits? One possibility would have lots of mini cameras and pixel that mimic the background of body on the front of the body. But is it a bit realistic to entirely hide a human from different angles and wavelengths, from sensors too? Another option i thought, that the suit transform visible and IR light to radio waves in analog way. Radio waves go through the body, then transformed back. Alhough metallic equipment is really unpleasant in this situation. I wondered that cloak around metallic stuff should be inflated to be spherical, so at least no problem with which pixel on the foreground belongs to cam on background.