iCandy: Reduce, Reuse, Recycle

Food to fuel, tissue regeneration, and Japanese wind power

1 min read
iCandy: Reduce, Reuse, Recycle
Photo: TPG/Getty Images

Photo: Amber Hunt/AP Photo
The man in this photo just used his thumb to pay for a snack. He’s part of a 54-person trial group at the South Dakota School of Mines and Technology that’s testing the use of a biometric technology called biocryptology. A quick swipe of a finger allows the system to generate a single-use code that represents the person’s fingerprint and the hemoglobin in his or her blood. A positive ID authorizes payment from an account without the need for cash, credit cards, or personal identification numbers.

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