[TeMPOraL]

I wish. Our smartphones would be halfway there if manufacturers could be bothered to include a few more sensors.

Alas, I don't see tricorders happening soon, because they're "action movie" tools. That is, looking from economical and social POV, almost every use case for a tricorder would be better handled by a team of specialists with heavy equipment, and not in a hurry. Real life is boring this way, and technology in the real world isn't about empowering indivduals - at least not in any way that conflicts with the mundane.