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

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All graphs show that year over year the average temperature is rising, but 1940-1950 seemed to be statistically higher than the previous and next decades. Could WW2 have caused a higher temperature global or is that a coincidence?

716 upvotes

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There is no /r/askengineering so I hope this can be asked here. What exactly does it mean for something to be "waterproof to 15 feet?" Does it suddenly break at 15.1 feet?

128 upvotes

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Is there a chance that before its destruction the library of Alexandria contained information that we still don't know today?

32 upvotes

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AMA Series: I study interstellar dust clouds, star formation, astrochemistry/astrobiology, and the origins of life. AMA

31 upvotes

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When I donate blood it takes some time for my body to reproduce it. That means my body is constantly making new blood. So if I DON'T donate blood what happens to the extra blood?

30 upvotes

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Thought Experiment about Invisibility

3 upvotes

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If Noble Prizes could be awarded posthumously, who would you like to see get an award?

3 upvotes

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Do you accept Pluto as a planet?

2 upvotes

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Why do some bruises hurt when poked, but others do not?

2 upvotes

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Is it true that physics can't explain how bumblebees fly? IE their body is too big for their wings. If so, how do they fly?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
All graphs show that year over year the average temperature is rising, but 1940-1950 seemed to be statistically higher than the previous and next decades. Could WW2 have caused a higher temperature global or is that a coincidence?	716
There is no /r/askengineering so I hope this can be asked here. What exactly does it mean for something to be "waterproof to 15 feet?" Does it suddenly break at 15.1 feet?	128
Is there a chance that before its destruction the library of Alexandria contained information that we still don't know today?	32
AMA Series: I study interstellar dust clouds, star formation, astrochemistry/astrobiology, and the origins of life. AMA	31
When I donate blood it takes some time for my body to reproduce it. That means my body is constantly making new blood. So if I DON'T donate blood what happens to the extra blood?	30
Thought Experiment about Invisibility	3
If Noble Prizes could be awarded posthumously, who would you like to see get an award?	3
Do you accept Pluto as a planet?	2
Why do some bruises hurt when poked, but others do not?	2
Is it true that physics can't explain how bumblebees fly? IE their body is too big for their wings. If so, how do they fly?	1