Mr. Simplex said
The Scientific American from Dec. 26, 1903 informed its readers that the aeroplane of the Wright brothers had been started from the top of a 100-foot sand dune and it had risen in the air to a height of about 60 feet, after which it had driven a distance of some three miles!!
Give your dramatic use of two exclamation points, could you help explain how this seeming random assertion fits the discussion by completing the following sentence?
"This means ___________________________________"