An Eggs-periment to Test the Strength of an Eggshell
https://www.heifer.org/blog/an-eggs-periment-to-test-the-strength-of-a-shell.html
WebMar 31, 2012 · Eggshells are tension-weak materials, but are strong in compression. This is why it is difficult to crush an egg by squeezing on its ends (compression forces), but will break when chicks peck from the inside of the egg (tension forces). So how strong can an eggshell really be? One unbroken eggshell has held up a 200-pound person!
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