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Edible RFID Tags Track Your Food From Beginning to End

Thursday 02 June 2011

‘Keeping track of everything we eat would be a great idea, and I’m sure we’d learn all kinds of things we don’t really want to know about our diet and overall health. Until now it’s been a major hassle to do this, but tiny digestible RFID tags could automate the entire process for every single piece of food that we consume.

 

RFID tags are antennas that don’t need batteries or complicated circuitry. When brought near an RFID reader, they passively transmit a simple code that can be used as an identifier. The tags are simple and cheap to make (you can just print them out), and they can be made small enough such that if you eat one, your stomach acid will naturally break it down into a tiny amount of silver that’s less than what you’d find in tap water.’

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