- The snowman is 10 µm across, 1/5th the width of a human hair... http://www.npl.co.uk/educate-explore/christmas/ 3 comments reddit.com
- The snowman is 10 µm across, 1/5th the width of a human hair. http://www.npl.co.uk/educate-explore/christmas/ 15 comments science
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