Birdwatch Note Rating
2023-05-15 04:45:55 UTC - HELPFUL
Rated by Participant: 30EC01F4F4EF6F222DE614BA2DF9F81D5B2A96A555192F4C5CF0EB81065E2B48
Participant Details
Original Note:
The “space pen” was invented by Fisher at their own expense. The pens were sold to NASA for $2.39 each. https://www.scientificamerican.com/article/fact-or-fiction-nasa-spen/ NASA thought broken graphite might be hazardous https://spinoff.nasa.gov/space-pens but that risk might have been over stated https://en.wikipedia.org/wiki/Writing_in_space
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