There is this myth going around the internet about NASA researching a space pen to write in space at the cost of millions of dollars while the Russians just used pencils to write in space. I wanted to know if an article on the subject exists, so I searched for "NASA pen" in the search box. the results it gave were of post with either the word NASA or the word pen.

How can I force the search to search for posts only containing both words, or in a broader case, to search for all the words in the search query?

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Use +nasa +pen as described in the search hints:


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