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

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Why can light waves travel through the vacuum of space, but other waves, like sound waves, cannot?

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Given enough time, could exposure to low-frequency radio waves eventually cause damage to the human body?

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How does our body make use oxygen when it is so damaging to so many other materials?

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What prevents light from going faster than its limit?

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If we had a snowball Earth, would the rainforests at the equator get tremendous amounts of snow instead of rain?

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Does the square-cube law continue in any way into the 4th dimension?

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When a person asphyxiates, does the heart just stop beating?

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Could you feasibly put a movie projector out of focus in a way that a near-sighted person would see it in focus?

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How are my shoelaces changing this 532nm laser's color so significantly?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why can light waves travel through the vacuum of space, but other waves, like sound waves, cannot?	1
Given enough time, could exposure to low-frequency radio waves eventually cause damage to the human body?	1
How does our body make use oxygen when it is so damaging to so many other materials?	1
What prevents light from going faster than its limit?	1
If we had a snowball Earth, would the rainforests at the equator get tremendous amounts of snow instead of rain?	1
Does the square-cube law continue in any way into the 4th dimension?	1
When a person asphyxiates, does the heart just stop beating?	1
Could you feasibly put a movie projector out of focus in a way that a near-sighted person would see it in focus?	1
How are my shoelaces changing this 532nm laser's color so significantly?	1