If you have visited or lived in London for any amount of time, you will be familiar with the Oyster Card, London’s payment system for their public transport. Dhani Sutanto built the RFID chip and an antenna into a resin ring so that you don’t even need to carry a card around.
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We have all had one (or several) of those days when nothing seems to go right. When something essential gets left behind while we get swept into the morass of life. With the Deja Vu purse, remembering whether something has been put into your purse can be taken out of your hands. Designers Heidi Chen and Nicole Tariverdian have come up with a system that will scan up to five tagged items and just by pressing a button can you find if any of them are not in your bag before you leave the house.