Biplane to break the sound barrier: Cheaper, quieter and fuel-efficient biplanes could put supersonic travel on the horizon

Biplane to break the sound barrier: Cheaper, quieter and fuel-efficient biplanes could put supersonic travel on the horizon

The Concorde provided its passengers with a rare luxury: time saved. For a pricey fare, the sleek supersonic jet ferried its ticketholders from New York to Paris in a mere three-and-a-half hours — just enough time for a nap and an aperitif.