Music, Spies And Exact Change: The Strange History Of Electronic Tolls - NPR

NPR

Music, Spies And Exact Change: The Strange History Of Electronic Tolls NPR But the technology passed through many, often surprising, hands — musicians and spies and NASA scientists — to become the electronic toll booths many highways enjoy today. 'Music Out Of Thin Air'. The story of the electronic toll booth begins at the ... and more »