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

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Does a vibrating blade Really cut better?

4150 upvotes

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In the event of a nuclear war (with humanity's current arsenal being used) How long would it take for the bioshpere to regenerate? (if it would at all)

20 upvotes

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How energy intensive it is to generate gamma rays for sterilization?

19 upvotes

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How does this "Mitochondrial Eve" thing work? Did humanity really population-bottleneck to a single female at one point in time?

8 upvotes

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The length of objects near light speed contracts. Is that a "Point of view" thing, or does it actually make things shorter? Wouldn't an object disintegrate from this deformation?

3 upvotes

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Did I get blacklisted or is there another reason why my questions never get approved?

2 upvotes

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What is the ecological footprint of solar panels?

1 upvotes

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How much mass would an object have to have, for the energy of the impact to be lethal at 5 kilometers an hour?

1 upvotes

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Can an injury that doesn't damage the brain Really kill someone instantly?

1 upvotes

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How on earth can a stab or slash be instantly lethal? I suspect movies are in the wrong here...

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Does a vibrating blade Really cut better?	4150
In the event of a nuclear war (with humanity's current arsenal being used) How long would it take for the bioshpere to regenerate? (if it would at all)	20
How energy intensive it is to generate gamma rays for sterilization?	19
How does this "Mitochondrial Eve" thing work? Did humanity really population-bottleneck to a single female at one point in time?	8
The length of objects near light speed contracts. Is that a "Point of view" thing, or does it actually make things shorter? Wouldn't an object disintegrate from this deformation?	3
Did I get blacklisted or is there another reason why my questions never get approved?	2
What is the ecological footprint of solar panels?	1
How much mass would an object have to have, for the energy of the impact to be lethal at 5 kilometers an hour?	1
Can an injury that doesn't damage the brain Really kill someone instantly?	1
How on earth can a stab or slash be instantly lethal? I suspect movies are in the wrong here...	1