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

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If there was a permanent magnet the size of the sun, could it accelerate tiny metal particles to or past light speed?

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The only reason we can't fuse hydrogen the way the sun does is we can't control gravity. But we can simulate it with centrifugal force. Why don't we do that instead?

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If carbon cycles around and around, old becomes new and vise-versa, how does carbon dating work?

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In many people the lactase gene shuts off after infancy. This causes lactose intolerance. What evolutionary benefit does this confer?

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Why is it that soda can never quench your thirst as well as water?

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If chlorine has such a strong bonding tendency, then why does bleach release it into the air?

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If bones repair without scarring, why can the weather make them hurt years after injury?

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We ground our electronics to the earth. Given infinite time, would the ground "fill up" with electricity and stop working as a ground?

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Why can I still very faintly "feel" the up and down motion of waves even after I get out of the ocean?

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If the dermis is punctured, the body will form scar tissue. Does this mean I get a scar every time I get a shot?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If there was a permanent magnet the size of the sun, could it accelerate tiny metal particles to or past light speed?	1
The only reason we can't fuse hydrogen the way the sun does is we can't control gravity. But we can simulate it with centrifugal force. Why don't we do that instead?	1
If carbon cycles around and around, old becomes new and vise-versa, how does carbon dating work?	1
In many people the lactase gene shuts off after infancy. This causes lactose intolerance. What evolutionary benefit does this confer?	1
Why is it that soda can never quench your thirst as well as water?	1
If chlorine has such a strong bonding tendency, then why does bleach release it into the air?	1
If bones repair without scarring, why can the weather make them hurt years after injury?	1
We ground our electronics to the earth. Given infinite time, would the ground "fill up" with electricity and stop working as a ground?	1
Why can I still very faintly "feel" the up and down motion of waves even after I get out of the ocean?	1
If the dermis is punctured, the body will form scar tissue. Does this mean I get a scar every time I get a shot?	1