Zack Subin

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Snow has a tensile strength, which means it resists being pulled apart. Its tensile strength isn’t that high—which is why you don’t see a lot of ropes made of snow—but it’s not zero. A typical tensile strength for well-packed snow might be a few kilopascals, which is stronger than wet sand, weaker than most kinds of cheese, and about 1/10,000th that of most metals.
What If? 2: Additional Serious Scientific Answers to Absurd Hypothetical Questions
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