The situation is familiar to everyone who has taken public transportation: You rush into up to the turnstile and then spend five minutes ransacking your pockets and bags for your transit card.
Two undergraduate students at MIT designed a ring to replace Boston's transit card, the Charlie Card, to pay public transport fares with ease. The inspiration came from forgetting their Charlie Cards time and again.
To read the full, original article click on this link: MIT Students Design 'Sesame Ring’ to Replace Boston Transit Cards
