Banknotes go electric to outwit counterfeiters (Jon Evans/New Scientist)
Jon Evans / New Scientist:
Banknotes go electric to outwit counterfeiters — GOOD old-fashioned cash is to go down the electronic route, now that it is possible to stamp simple electronic circuits directly onto banknotes. — Modern banknotes contain up to 50 anti-counterfeiting features, but adding electronic circuits programmed …