A very interesting story in today’s New York Times about the earliest recorded sound, which dates from 1860 and is only now made playable via computer technology. (Its creator had never intended it to be played back, only to be analyzed.)
We have the technology today to measure and record the complete physical properties of inanimate objects — maybe even whole rooms’ worth of them. Although we don’t yet have the ability to “play back” those measurements (i.e., reproduce the objects), and certainly not with any fidelity, someday this will be possible. (It appears that someone has already had this bright idea, although in a somewhat crude form: a printer that prints objects using plastics.) Although we may never see a transporter beam, it’s pretty possible we’ll someday have replicators and holodecks.