WASHINGTON (NEXSTAR) – The essential and revolutionary tool often goes overlooked but after half a century of utility, the barcode is evolving with the times. The first ever product to be scanned was ...

Security flaws in how airline boarding passes encode passenger approval information could open a loophole for terrorists, researchers have warned, after exploring the barcodes printed on US passes.

Editor’s note: The views expressed in this commentary are solely those of the writers. CNN is showcasing the work of The Conversation, a collaboration between journalists and academics to provide news ...