Its weapon is not a steel blade, though, but something far subtler: scent. Twist its dome to reveal pierced panels and it emits one of three “functional smells”: Attraction, Distraction or Attention. Today, it’s giving off Attraction, which smells like a far-off, futuristic flower.

— Smell artist Sissel Tolaas designs a ring with German jeweller Georg Hornemann. Read more at Meet ‘nasalnaut’ Sissel Tolaas at Financial Times.