"Tricorders" are in some sense more a spectrum than an end point. Even a modern phone is already simply incidentally a sensing platform that 50 years ago would

"Tricorders" are in some sense more a spectrum than an end point. Even a modern phone is already simply incidentally a sensing platform that 50 years ago would certainly have been very expensive, and probably not fit into the phone form factor even if everything else was evicted. Just a full 3D accelerator, temperature sensor, pressure sensor, compass/magnetism sensor, and general EMF detector is an impressive lineup.