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 patent for “coupling an electronic skin tattoo to ... inclusion of a “galvanic skin response detector” that might turn the device into a lie-detector. “It is contemplated that a ...

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 ...