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

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Would a large enough magnet have any effect on a human body that contained no unnatural elements?

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Are tanning beds actually worse for your skin than using the sun to tan? If so, how big of a difference is it?

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How fast would you have to spin in order for a single speaker playing music to effectively be surround sound to your ears?

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Is it generally believed that humans will one day achieve speed of light travel? What evidence have we so far discovered that can help predict if it will be possible or not?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Would a large enough magnet have any effect on a human body that contained no unnatural elements?	1
Are tanning beds actually worse for your skin than using the sun to tan? If so, how big of a difference is it?	1
How fast would you have to spin in order for a single speaker playing music to effectively be surround sound to your ears?	1
Is it generally believed that humans will one day achieve speed of light travel? What evidence have we so far discovered that can help predict if it will be possible or not?	0