/u/txanarchy's posts in /r/askscience
How can a butcher dry age beef for weeks at a time and it not become rancid but if I leave a steak in my fridge too long it spoils?
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Is there a speed at which a spacecraft can re-enter earth's atmosphere without worrying about heat shielding?
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Is it possible to enter a planet's (like earth) atmosphere slowly enough that you wouldn't need heat shields?
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