About bloody time too I can't wait for Nurse Chapel to probe me. :evil: http://www.bbc.co.uk/news/technology-16518171
Hm... Surprisingly that doesn't look too difficult... Wonder what metrics they will end up choosing? Depending on the choice it could be achievable in less than 5 years. The technology is already there for any obvious metric I can think of.
It will be insanely difficult. The current technology requires entire rooms of equipment. Compacting that down into a handheld device will probably take decades.