The five traditional senses of perception – sound, sight, smell, touch, and taste – are all capable of triggering memories. However, we haven't yet figured out how to capture copies of all of these inputs. We can capture images on cameras and sounds on audio equipment, we can recreate tastes to a certain degree, and we can simulate touch with physical copies of other things. But what about smells? The ability to capture everyday odors in an immutable state has eluded us. Until now.
Read the full article: Madeleine "smell camera" records odors for the future