A physicist studied Ben Franklin’s clever tricks to foil currency counterfeiters Posted inContinental currencycurrencyelectron microscopyGaming & CultureHistorynuclear physicsparticle-induced x-ray emissionRoman denariiSciencex-ray fluorescence Posted byJennifer Ouellette 11/18/2021 Also: the Roman emperor Nero was quite fiscally responsible about his coinage
