Oopsie!

Oopsie!  Top 20 technological blunders of the 20th century.  It's a pretty good roundup.  It must have been challenging to whittle the list down to a mere 20 :)  Number 11 was completely new to me, which surprises me, since in those years I was avidly following the space program.  The omission of a hyphen in a program played a role in the failure, which is something I wouldn't have understood in 1962...