"Everybody has heard of the infamous Space Pen.
Space has its urban legends of course, and the Million Dollar Space Pen
is one of the more enduring ones. It is neither as outlandish nor as
unbelievable as the story about faking the Moon landings, and even though it
seems more credible than a massive government conspiracy, it is probable that
fewer people have heard it.
The story goes like this: in the 1960s, NASA astronauts discovered that
their pens did not work in zero gravity. So like good engineers, they went to
work and designed a wonder pen. It worked upside down. It worked in vacuum. It
worked in zero gravity. It even worked underwater! And it only cost a million