Picture the Smell

To pinpoint smells, an electronic nose turns scents into colorful data.

By Sarah Webb, 00:00 AM October 2, 2006

Just a whiff of steaming pizza straight out of the oven is enough to make your mouth water.

Your nose is a living sensor that responds to the chemicals in pizza that give this food its distinctive aroma. Your brain recognizes this combination of odors almost instantly.

Dogs have a much better sense of smell than people do. To make it easier for people to detect and identify odors, chemists have invented electronic noses.

Dogs have a much better sense of smell than people do. To make it easier for people to detect and identify odors, chemists have invented electronic noses.

NASA

How does your brain do it? It processes the mixture of chemica...

Source URL: https://student.societyforscience.org/article/picture-smell