Supersonic air travel could be making a triumphant return to the skies, nearly two decades after the iconic Concorde was grounded. A company is currently developing a new supersonic aircraft that could whisk passengers from New York to London in a mere three hours and 40 minutes, taking the mantle of the long-mothballed Concorde. By 2029, it's suggested that travellers could once again experience supersonic journeys, with flight times significantly shorter than those offered by current