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I'm curious to why "recording" and "playback" of scent/smell is still not mainstream as sight and sound. Why is not a part of movies or games? What are the li

• GuiA 14y ago
  Scents are caused by numerous chemical compounds distilled in certain portions in the air. In order to create a scent recorder, we'd need a machine that can detect every single one of those compounds at all possible concentrations; for a scent player we'd need a machine capable of forming those compounds at the proper concentration. Turns out, it's much harder to do than record/emit photons or record/emit sound waves.
• ck2 14y ago
  The limit is obviously sensors and output device technology. Profit would be limited, hence little development.