/u/7UPvote's posts in /r/askscience

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The aluminum we interact with on a daily basis is coated in a fine layer of aluminum oxide. Is there any difference between this layer and sapphire?

2187 upvotes

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My computer has lots and lots of tiny circuits, logic gates, etc. How does it prevent a single bad spot on a chip from crashing the whole system?

1501 upvotes

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Is it possible to cold weld the repelling ends of magnets together? If so, would their magnetic fields align?

245 upvotes

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Our lungs are asymmetrical, and it appears that they have significantly different volume/surface-area ratios. Do they consequently absorb oxygen and transfer CO2 at different rates?

79 upvotes

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Why do some metals create a shower of sparks when struck against flint but not others?

21 upvotes

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Energy can be converted into matter and vice-versa. Can energy be converted into antimatter?

19 upvotes

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How do animals that pant regulate their blood pH to prevent themselves from passing out?

15 upvotes

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Why does an object's kinetic energy increase exponentially as its speed goes up?

13 upvotes

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Why don't molten ferrous metals become strong magnets?

12 upvotes

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When I try to close a program on Windows that is frozen, why doesn't Windows automatically do whatever it does when I open task manager and hit "end program"?

12 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
The aluminum we interact with on a daily basis is coated in a fine layer of aluminum oxide. Is there any difference between this layer and sapphire?	2187
My computer has lots and lots of tiny circuits, logic gates, etc. How does it prevent a single bad spot on a chip from crashing the whole system?	1501
Is it possible to cold weld the repelling ends of magnets together? If so, would their magnetic fields align?	245
Our lungs are asymmetrical, and it appears that they have significantly different volume/surface-area ratios. Do they consequently absorb oxygen and transfer CO2 at different rates?	79
Why do some metals create a shower of sparks when struck against flint but not others?	21
Energy can be converted into matter and vice-versa. Can energy be converted into antimatter?	19
How do animals that pant regulate their blood pH to prevent themselves from passing out?	15
Why does an object's kinetic energy increase exponentially as its speed goes up?	13
Why don't molten ferrous metals become strong magnets?	12
When I try to close a program on Windows that is frozen, why doesn't Windows automatically do whatever it does when I open task manager and hit "end program"?	12