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

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I heard that when testing the Tsar Bomba, Soviet scientists were concerned its explosion might be hot enough to set the Earth's atmosphere on fire. Is this possible?

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Why is it that hot tubs feel great, but air at those temperatures is extremely unpleasant?

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Earth's surface is 70% water. How would the climates on land be different if this ratio changed?

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Did all creatures with eyes evolve from a common ancestor, or is it just a huge case of convergent evolution?

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Why are ferromagnetic materials affected by magnetism so much more strongly than other materials?

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What is the speed of a nerve signal?

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There is no temperature below absolute zero. Is there an absolute hot?

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What would blowing up a planet actually look like?

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How many possible unique human DNA strands are there? How large would the human population have to grow before the chance of a natural clone became statistically significant?

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Do we actually get any rest from hitting snooze on our alarms and spending 5 more minutes in bed?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
I heard that when testing the Tsar Bomba, Soviet scientists were concerned its explosion might be hot enough to set the Earth's atmosphere on fire. Is this possible?	1
Why is it that hot tubs feel great, but air at those temperatures is extremely unpleasant?	1
Earth's surface is 70% water. How would the climates on land be different if this ratio changed?	1
Did all creatures with eyes evolve from a common ancestor, or is it just a huge case of convergent evolution?	1
Why are ferromagnetic materials affected by magnetism so much more strongly than other materials?	1
What is the speed of a nerve signal?	1
There is no temperature below absolute zero. Is there an absolute hot?	1
What would blowing up a planet actually look like?	1
How many possible unique human DNA strands are there? How large would the human population have to grow before the chance of a natural clone became statistically significant?	1
Do we actually get any rest from hitting snooze on our alarms and spending 5 more minutes in bed?	1