Spell-checker not working chaps...?
---> BRITTISH - shame on you.
Researchers at the University of Warwick and GKN Aerospace have developed a material that, when used in a 3D printer (3DP), makes it possible for the printed objects to include working sensors. Detailed in a paper titled A Simple, Low-Cost Conductive Composite Material for 3D Printing of Electronic Sensors (PDF), the …
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The MIT Media Lab had a project called "things that think" either incorporating processors in objects or roll to roll printing electronics.
IIRC they had a "memory element" patent (or licensed it form Zerox PARC) for a EEPROM element using carbon (or silicon?) granules as the storage element.
Beware US patent trolls on the sniff.