/u/Snaz5's posts in /r/askscience

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Why does the carboniferous period have a mean surface temp equal or lower than today, when it had 2x the atmospheric CO2?

16 upvotes

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If you had a hypothetical indestructible submarine that was pressurized and could drill thru solid rock and you drilled right to the exact center of the earth, how would gravity act on you at that center?

12 upvotes

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Could a near miss from a tank shell kill or hurt you? How close would it have to be?

1 upvotes

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What would be a way to measure the relative speed of a space ship (in space)?

1 upvotes

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What if we were to smash Mercury into Venus?

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What evolutionary pressure caused snakes to lose their legs?

1 upvotes

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If you were on a hot planet close to the sun, could you cool off by flying up into the atmosphere?

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If our body needs nitrogen and our atmosphere is MOSTLY nitrogen, how come we don’t absorb any of it when we breathe? How come we can’t get oxygen from our food, or water, but we CAN get nitrogen that way?

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Would any alloys of Osmium be useful for armor plating?

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How efficient would Project Orion’s nuclear-pulse rocket have been at using the total energy of the explosion?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why does the carboniferous period have a mean surface temp equal or lower than today, when it had 2x the atmospheric CO2?	16
If you had a hypothetical indestructible submarine that was pressurized and could drill thru solid rock and you drilled right to the exact center of the earth, how would gravity act on you at that center?	12
Could a near miss from a tank shell kill or hurt you? How close would it have to be?	1
What would be a way to measure the relative speed of a space ship (in space)?	1
What if we were to smash Mercury into Venus?	1
What evolutionary pressure caused snakes to lose their legs?	1
If you were on a hot planet close to the sun, could you cool off by flying up into the atmosphere?	1
If our body needs nitrogen and our atmosphere is MOSTLY nitrogen, how come we don’t absorb any of it when we breathe? How come we can’t get oxygen from our food, or water, but we CAN get nitrogen that way?	1
Would any alloys of Osmium be useful for armor plating?	1
How efficient would Project Orion’s nuclear-pulse rocket have been at using the total energy of the explosion?	1