Grain of Sand
المؤلف:
Franklin Potter and Christopher Jargodzki
المصدر:
Mad about Modern Physics
الجزء والصفحة:
p 65
20-10-2016
600
Grain of Sand
If the atoms in a grain of sand were laid out side by side in a line, approximately how long would the line be?
Answer
If one assumes that the grain of sand has a diameter that is a reasonable fraction of 1 millimeter, then the line of atoms would be about 1010 meters long, about thirty times the distance to the Moon!
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