My daughter asked an interesting if somewhat trivial question at lunch today: Starting with TNG, when a crewperson takes off their clothes, I think the assumption is that they stick them in a dematerialization bin, and then replicate a new set for the next time they get dressed. (If I recall correctly, this assumption is backed up by at least one time when the replicators being on the fritz resulted in someone's uniform being the wrong size or similar.) And they probably do the same thing with their bedclothes and all sorts of other things. Well, alright, that seems logical, but what if a crewperson has a *unique* item such as a quilted blanket that has been in their family several generations, or a sweater knitted by an aunt, or whatever: how do they get them cleaned?
Do crew quarters have washer/dryers and we've just never seen them? Is there a secret laundry section of the ship that isn't on any of the schematics I've seen? Will hanging up the item in the shower and using the sonic function that I'm only presuming it has get items clean? Would they go to an open cargo hold and use the cargo replicators to replicate a washing machine and dryer to use, and then put THAT in the dematerializer each time? Would they use a scan of the item from when it was clean, and ask the transporter operators to beam away everything that wasn't in that scan? (Is this part of what O'Brien does with his time?
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And more than any of that, in the enlightened 24th century, would *not* allowing a personal effect to be scanned and made available for *anyone* to replicate be considered selfishness? And would people look at you odd (or maybe even consider you to have a mental illness of some sort) for insisting on hanging on to "the original" when so many things are digitally replicated and you could just replicate another one for yourself?
Do crew quarters have washer/dryers and we've just never seen them? Is there a secret laundry section of the ship that isn't on any of the schematics I've seen? Will hanging up the item in the shower and using the sonic function that I'm only presuming it has get items clean? Would they go to an open cargo hold and use the cargo replicators to replicate a washing machine and dryer to use, and then put THAT in the dematerializer each time? Would they use a scan of the item from when it was clean, and ask the transporter operators to beam away everything that wasn't in that scan? (Is this part of what O'Brien does with his time?

And more than any of that, in the enlightened 24th century, would *not* allowing a personal effect to be scanned and made available for *anyone* to replicate be considered selfishness? And would people look at you odd (or maybe even consider you to have a mental illness of some sort) for insisting on hanging on to "the original" when so many things are digitally replicated and you could just replicate another one for yourself?