Google further suggests that its electronic tattoo could be used as a tiny, portable lie detector. In the patent application, it says the device could include "a galvanic skin response detector to ...

The idea of an un-removable tattoo being applied as a permanent lie-detector sounds like a sci-fi subplot, but apparently it’s not beyond the remit of a patent application. Join our commenting forum ...

Google has filed a patent for an electronic skin tattoo that connects to a mobile device, and can be used as a lie detector. The tattoo isn't permanent — it's applied to a sticky substance on ...