Senti8 is a bracelet that lets wearers remember scents of places they have visited.

Developed by a team of eight led by videographer and hackathon enthusiast Leslie Birch, Senti8 is a personal scent band that lets astronauts relive the favorite scents they miss.

According to the write-up on the project website, smells on earth are some of the things that astronauts miss the most. Research has also shown that space travelers and those who travel in high altitudes experience diminished senses, including sense of smell. The Senti8 is a bracelet that lets space travelers relive memories associated with certain smells.

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