/u/muff_marauder's posts in /r/askscience

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How do those old-timey underwater naval mines even work?

651 upvotes

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If honey "lasts forever" and kills bacteria, why does it rot if harvested too early?

18 upvotes

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Are plastic jerrycans for diesel formulated differently than plastic jerrycans for gasoline?

10 upvotes

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Why do some animals bother storing their urine in bladders and feces in rectums? Why don't all animals just eject their waste immediately?

10 upvotes

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Why do ovens and microwaves have frit on their windows, making it difficult to see food inside?

8 upvotes

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Why doesn't mercury easily cook out of our foods?

7 upvotes

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What is the metallurgical difference between hard-cast and soft-cast lead?

6 upvotes

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How is the instantaneous efficiency of nuclear reactors measured by nuclear power plant operators?

5 upvotes

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Why do we bother distinguishing magnetic north from true north?

5 upvotes

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Why does this military refueling jet have a complex robotic refueling boom in the tail if simpler drogue-controlled probes work fine?

4 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do those old-timey underwater naval mines even work?	651
If honey "lasts forever" and kills bacteria, why does it rot if harvested too early?	18
Are plastic jerrycans for diesel formulated differently than plastic jerrycans for gasoline?	10
Why do some animals bother storing their urine in bladders and feces in rectums? Why don't all animals just eject their waste immediately?	10
Why do ovens and microwaves have frit on their windows, making it difficult to see food inside?	8
Why doesn't mercury easily cook out of our foods?	7
What is the metallurgical difference between hard-cast and soft-cast lead?	6
How is the instantaneous efficiency of nuclear reactors measured by nuclear power plant operators?	5
Why do we bother distinguishing magnetic north from true north?	5
Why does this military refueling jet have a complex robotic refueling boom in the tail if simpler drogue-controlled probes work fine?	4