When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in zero gravity. To combat the problem, NASA scientists spent a decade and $12 billion to develop a pen that writes in zero gravity, upside down, underwater, on almost any surface including glass and at temperatures ranging from below freezing to 300 C.

The Russians used a pencil.

Q: What is the difference between a geologist and a chemist?

A: A chemist will drink anything that is distilled.

What’s the difference between a violin and a viola?

There is no difference. The violin just looks smaller because the violinist’s head is so much bigger.

Q: What’s the difference between a girl and a toilet?

A: A toilet doesn’t want to cuddle after you drop a load into it.

What is the difference between a man and a carp??

One is a scum sucking bottom feeder, and one is a fish!!

What’s the difference between a mans paycheck and his dick?

He can always find a girl to blow his paycheck!

Q: What’s the difference between a blonde and a rooster?

A: In the morning a rooster says, “Cock’ll-doodl-doooo”, while a blonde says, “Any-cock’ll-doooo.”

Q: What is the difference between a blonde and a refrigerator?

A: A refrigerator doesn’t fart when you pull your meat out of it.

Q: What’s the difference between a blonde and a computer?

A: You only have to punch information into a computer once!

Q: What is the difference between a blonde and a 747?

A: Not everyone has been in a

747.