ELI5: why does a tiny hairline crack in a pressurized structure (like an airplane fuselage) cause catastrophic failure, but a huge dent or scratch in the same material basically does nothing

ELI5: If trees get their carbon from CO₂ in the air, how can that same carbon end up forming huge amounts of solid material like wood, coal, diamonds, and the carbon in steel?

r/explainlikeimfive·12

ELI5: How does the ground stay stable above oil drilling sites?

r/explainlikeimfive·10

ELI5: Why does dirty air behind another Formula 1 car make overtaking so difficult?

r/explainlikeimfive·11

ELI5: How does short term and long term memory work?

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ELI5: When weather professionals say "it's __ degrees but feels like __ degrees"... isn't that subjective?

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ELI5: How can a country have a huge economy but a relatively weak currency?

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ELI5: why does a tiny hairline crack in a pressurized structure (like an airplane fuselage) cause catastrophic failure, but a huge dent or scratch in the same material basically does nothing

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