it was made by steel and someone fell on it
because i have really wanted to see Mr. Einstine science invetion
yes he was.
Nothing
The Post-it note was invented in 1980 by Spencer Silver and Art Fry at 3M.
rugby league
The bicycle.
he was hungry
Steven hawking is not an inventor.
cars 1895
the cotton gin
umbrella is spelled umbrella! ;-)