Let's Laugh:Joke

LET'S LAUGH : JOKE

Once some American astronauts went to space in a space vehicle .They decided to note down all their observations ,readings,conclusions etc. on a paper .But LO!!.The pen didn't work.They went back to earth and started working actively towards inventing a pen which could be used to write in space.It took many years of research and millions of dollars were spent and finally atlast the american scientists successfully invented one such pen.
Well this was what the Americans did.But then what did the Russian scientists do in such a situation?
Well the Russians used a pencil!!!!!!!!!!.Ha!Ha!Ha!