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

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Why do humans require trace amount of metals (Iron, zinc, etc.) to be healthy?

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If you point a strong laser beam at one side of the moon, then flick your wrist to the other side of the moon, did the beam technically move faster than the speed of light?

1 upvotes

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Why don't cars use solar power instead of fuel for energy?

1 upvotes

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Why do we get hotter when sick with a fever rather than colder?

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Can we bend space to travel long distances?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why do humans require trace amount of metals (Iron, zinc, etc.) to be healthy?	3
If you point a strong laser beam at one side of the moon, then flick your wrist to the other side of the moon, did the beam technically move faster than the speed of light?	1
Why don't cars use solar power instead of fuel for energy?	1
Why do we get hotter when sick with a fever rather than colder?	1
Can we bend space to travel long distances?	1