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

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Why is sodium chloride the dominant salt in seawater?

3391 upvotes

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Could the volume inside a black hole's Schwarzschild radius be infinite?

260 upvotes

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Does a battery lose mass as it discharges?

15 upvotes

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Are objects made by sintering (heating and compressing a powder in a mold) truly solid or do they have voids?

3 upvotes

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Why can I snap a 1mm sheet of Highly Orderded Pyrolytic Graphite (neatly stacked graphene sheets) with my fingers, while the same sheet should easily stop a bullet based on graphene's super-properties?

1 upvotes

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If I took two cups of ball bearings, each of a different size and mixed them thoroughly, what would the final volume be?

1 upvotes

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What happens to the volume when you mix balls of different sizes?

1 upvotes

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If I had a flashlight that put out every color except blue, what would blue objects look like?

1 upvotes

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Why is it safe to inject normal saline (0.9% sodium chloride), while dietary sodium causes health problems?

1 upvotes

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Have we ever built anything truly frictionless?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why is sodium chloride the dominant salt in seawater?	3391
Could the volume inside a black hole's Schwarzschild radius be infinite?	260
Does a battery lose mass as it discharges?	15
Are objects made by sintering (heating and compressing a powder in a mold) truly solid or do they have voids?	3
Why can I snap a 1mm sheet of Highly Orderded Pyrolytic Graphite (neatly stacked graphene sheets) with my fingers, while the same sheet should easily stop a bullet based on graphene's super-properties?	1
If I took two cups of ball bearings, each of a different size and mixed them thoroughly, what would the final volume be?	1
What happens to the volume when you mix balls of different sizes?	1
If I had a flashlight that put out every color except blue, what would blue objects look like?	1
Why is it safe to inject normal saline (0.9% sodium chloride), while dietary sodium causes health problems?	1
Have we ever built anything truly frictionless?	1