• 3D printing technology could make electronic circuits that are cheap enough to be added to disposable food packaging, creating a spoilage alert.
  • The tricked-out milk cap detected changes in electrical signals in a carton left unopened at room temperature for 36 hours. The electrical changes indicated room temperature milk went bad significantly faster than refridgerated milk. (Duh.)
  • The research was done by UC Berkeley engineers in collaboration with researchers at Taiwan's National Chiao Tung University.

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