A number of Failed Predictions of things that couldn't possibly happen.

"A rocket will never be able to leave the Earth's atmosphere."
The New York Times, January 13, 1920. The Times offered a retraction on July 17, 1969, as Apollo 11 was on its way to the moon.

"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American, January 2, 1909.

"There's no chance that the iPhone is going to get any significant market share."
Steve Ballmer, USA Today, April 30, 2007.

"We can close the books on infectious diseases."
Surgeon General of the United StatesWilliam H. Stewart, 1969; speaking to the U.S. Congress – cited in The Killers Within: The Deadly Rise Of Drug-Resistant Bacteria by Mark J. Plotkin and Michael Shnayerson, 2003, ISBN 0316735663.

"Democracy will be dead by 1950."
John Langdon-Davies, A Short History of The Future, 1936.

"With over fifteen types of foreign cars already on sale here, the Japanese auto industry isn't likely to carve out a big share of the market for itself."
Businessweek, August 2, 1968.
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Incorrect predictions