/u/[deleted]'s posts in /r/askscience

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As a jet going mach 3 passes its own sound waves, it creates a sonic boom as a result of breaking through all of the built up pressure of its sound waves. If the jet slows back down to mach 1, will the sound waves catch up to it and create another sonic boom?

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What is that sinking feeling in your stomach when you go over a hill quickly, and more importantly, why does it seem to disappear with age?

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Why do clothes shrink in the laundry?

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If Earth's atmosphere were removed, how quickly would its oceans boil?

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Is it worth it to get higher quality gas?

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Why is the raw data from experiments rarely released?

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Why binary logic in computers?

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Question, may save soldiers lives. How much water would be needed to stop artillery shrapnel / concussion.

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Why aren't there metric units for measuring time?

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Why doesn't smell fade? I had a pair of sneakers in my closet that I haven't seen in months. Yet when I took a whiff they still smelled god awful.

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
As a jet going mach 3 passes its own sound waves, it creates a sonic boom as a result of breaking through all of the built up pressure of its sound waves. If the jet slows back down to mach 1, will the sound waves catch up to it and create another sonic boom?	31
What is that sinking feeling in your stomach when you go over a hill quickly, and more importantly, why does it seem to disappear with age?	31
Why do clothes shrink in the laundry?	31
If Earth's atmosphere were removed, how quickly would its oceans boil?	31
Is it worth it to get higher quality gas?	31
Why is the raw data from experiments rarely released?	31
Why binary logic in computers?	31
Question, may save soldiers lives. How much water would be needed to stop artillery shrapnel / concussion.	31
Why aren't there metric units for measuring time?	31
Why doesn't smell fade? I had a pair of sneakers in my closet that I haven't seen in months. Yet when I took a whiff they still smelled god awful.	31