/u/njuff22's posts in /r/askscience

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Hypothetically, would a human with chloroplasts in their cells be able to survive on just sunlight?

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If a spaceship going near the speed of light will have its inhabitants aging slower, wouldn't the spaceship itself also seem to go slower for outside observers, eventually reaching an apparent 0 when (hypothetically) reaching the speed of light?

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If observers seeing you approach the speed of light percieve you gradually slow down, while you'd percieve them gradually speeding up, why don't we percieve photons as stationary?

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If black holes are "singularities" with infinite weight at the center, how can some weigh more than others?

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Hypothetically, if 100 grams of anti-hydrogen spontaneously manifested in the air and reacted with all the normal matter around it, how big would the subsequent explosion be?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Hypothetically, would a human with chloroplasts in their cells be able to survive on just sunlight?	1
If a spaceship going near the speed of light will have its inhabitants aging slower, wouldn't the spaceship itself also seem to go slower for outside observers, eventually reaching an apparent 0 when (hypothetically) reaching the speed of light?	1
If observers seeing you approach the speed of light percieve you gradually slow down, while you'd percieve them gradually speeding up, why don't we percieve photons as stationary?	1
If black holes are "singularities" with infinite weight at the center, how can some weigh more than others?	1
Hypothetically, if 100 grams of anti-hydrogen spontaneously manifested in the air and reacted with all the normal matter around it, how big would the subsequent explosion be?	1