/u/one-hour-photo's posts in /r/askscience

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In the famous train relativity paradox (link in text), what would happen if you were on the train with an extremely wide angle camera that took video of both side of the tunnel closing at the same time? Would you actually see a split second where one is closed and the other isn't?

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Does the sun's position in the galaxy have an effect on its energy output? Is it possible that this was the primary cause of the ice age?

1 upvotes

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Does the sun's position in the galaxy have an effect on the level of energy that it puts out?

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If I built a machine that you could climb in, that could spin at the speed of light, would this machine essentially become a time machine for the people who use it?

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If I observe a comet, or a Matthew McConaughey enter a blackhole, it just gets stopped at the event horizon and freezes there. Doesn't this mean that if I came upon a blackhole I wouldn't see a big dark hole, but rather a big spherical cluster of space junk and McConaughey corpses?

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Feces and chocolate are both brown, gooey, sticky and have strong scents. Are there chemical similarities between the two items, or is it purely coincidental?

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Using modern engineering and geological knowledge, how hard would it be to force a volcano into dormancy?

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Why is the coughing response so common in humans but so rare in other mammals?

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If someone were to drink water until their bladder was completely full, and then continue to drink water until their stomach was completely full, could they start urinating and drinking water from a hose and urinate forever?

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Does the sun's energy output change based on it's position in the galaxy?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
In the famous train relativity paradox (link in text), what would happen if you were on the train with an extremely wide angle camera that took video of both side of the tunnel closing at the same time? Would you actually see a split second where one is closed and the other isn't?	7
Does the sun's position in the galaxy have an effect on its energy output? Is it possible that this was the primary cause of the ice age?	1
Does the sun's position in the galaxy have an effect on the level of energy that it puts out?	1
If I built a machine that you could climb in, that could spin at the speed of light, would this machine essentially become a time machine for the people who use it?	1
If I observe a comet, or a Matthew McConaughey enter a blackhole, it just gets stopped at the event horizon and freezes there. Doesn't this mean that if I came upon a blackhole I wouldn't see a big dark hole, but rather a big spherical cluster of space junk and McConaughey corpses?	1
Feces and chocolate are both brown, gooey, sticky and have strong scents. Are there chemical similarities between the two items, or is it purely coincidental?	1
Using modern engineering and geological knowledge, how hard would it be to force a volcano into dormancy?	1
Why is the coughing response so common in humans but so rare in other mammals?	1
If someone were to drink water until their bladder was completely full, and then continue to drink water until their stomach was completely full, could they start urinating and drinking water from a hose and urinate forever?	1
Does the sun's energy output change based on it's position in the galaxy?	1