converting the vibrations produced by sound waves into electrical signals was used by scotsman alexander graham bell in his version of the telephone. bell turned in the description of his invention to the patent office just hours before arrival his u.s. based firm bell telephone later 18 t. is still one of the biggest telecommunication companies in the world. and the computer that susan invented in 1941 not even i.b.m. chairman thomas j. watson believes such machines had a future he allegedly stated i think there's a world market for maybe 5 computers back then computers were as big as a house and less powerful than che's pocket calculators watson never envisioned today's computer driven world or predicted that many of them would be made by his own company in the 1980 s. i.b.m. was the world's biggest computer manufacturer. unfolding in inventions potential can be a slow process and they often need a 2nd chance well if you do make it over the way to the top and is sitting pretty on the board of a company for example enjoy it because it could be over with practically no warning whatsoever it's a long