Ever hear of the joke about government waste about NASA and the million dollar pen? Many people like to point out it was ludicrous to spend millions of dollars to develop a pen that could write in space while the Russians decided to save money and use a pencil - except Russians use pens in space too. Find out why the typical No 2 pencil is a danger in space, who developed the space pen, and what the cost really was.
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Rockets and Rovers: Engineering our way to Mars activity bundle
Rockets and Rovers Engineering our way to Mars Lab Book