Daryl Oster vs. Henri Coanda: ETT vs. Aerotub Express
Americans want to implement an idea that Romanian scientist Henri Coanda had proposed it in the early 1960s: the vacuum tunnel transport. A U.S. company came up with a transportation...
Americans want to implement an idea that Romanian scientist Henri Coanda had proposed it in the early 1960s: the vacuum tunnel transport. A U.S. company came up with a transportation...