On Saturday, June 07, 2025 04:58:04 PM Bret Busby wrote: > "Engineers once believed flying at the speed of sound would be impossible" > - https://www.history.com
People once believed that a person could not travel on an (old fashioned steam engine train) as at such high speeds (20-30 mph??) the breath would be sucked out of you. no citation, I read it a long time ago
