/u/walt02cl's posts in /r/askscience

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Is there one big, planetwide weather system, or does each country calculate their own? If so, what sort of communication exists between them?

35 upvotes

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How do phone cameras focus, if there aren't any moving parts?

14 upvotes

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What causes chapped lips and how does lip balm help?

14 upvotes

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Why are rocket engine nozzles curved and bell-like instead of cones?

13 upvotes

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What supports neurons in the brain? Is it just neurons in liquid?

11 upvotes

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Why are Osmium and Iridium the densest elements, instead of a heavier element like Gold or Bismuth?

10 upvotes

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For all animals with hair/fur, is shedding more common than not shedding, or vice versa?

5 upvotes

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Ignoring the biological ramifications, how cold would the Earth be if all the CO2 in the atmosphere disappeared?

3 upvotes

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Can breathing move an astronaut in microgravity?

1 upvotes

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How would fusion reactors actually generate electricity?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is there one big, planetwide weather system, or does each country calculate their own? If so, what sort of communication exists between them?	35
How do phone cameras focus, if there aren't any moving parts?	14
What causes chapped lips and how does lip balm help?	14
Why are rocket engine nozzles curved and bell-like instead of cones?	13
What supports neurons in the brain? Is it just neurons in liquid?	11
Why are Osmium and Iridium the densest elements, instead of a heavier element like Gold or Bismuth?	10
For all animals with hair/fur, is shedding more common than not shedding, or vice versa?	5
Ignoring the biological ramifications, how cold would the Earth be if all the CO2 in the atmosphere disappeared?	3
Can breathing move an astronaut in microgravity?	1
How would fusion reactors actually generate electricity?	1