We have invented devices to record what we can see, and devices to record what we can hear.
Why haven’t we invented something to record what we can smell?
How would this work if we did?
\[When I am travelling I really wish I could record the way things smell, because smell is so strongly evocative of memories and sensations.\]
In: Technology
Let’s say we have a device that can analyze air and record the proportion of molecules of everything mixed in that sample (these devices exist with limited functionality. We use them to detect gas leaks and concentration of toxic fumes)
But such device will not be able to recreate that scent, and would only give us percentages of different chemicals in the sample of air. We need something that can take those percentages and create an environment that replicates the one we measured.
This can be done easily with vision, as every possible color can be recreated using a combination of 3 LEDs: red, blue, and green.
Such is not the case for scent, as you will need a device to carry samples of every element and compound possible to be able to recreate a scent
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