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

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Iridium and similarly hard metals are difficult to machine due to extreme work hardening. Is "grinding" based machining also affected?

3779 upvotes

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Is there a reason your own "young" bone marrow couldn't put in storage for an immune system "restoration" when you are older?

3121 upvotes

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Can the Radiation from a Sample of Depleted Uranium Sterilize?

1260 upvotes

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What physical characteristic allows gold/silver coins to "ping"/resonate when struck while coins made from other metals with the same crystal structure do not?

529 upvotes

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Why does Osmium, in bulk form, not generate toxic Osmium tetroxide at room temperature?

26 upvotes

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What exactly is the brown patina that is induced on copper by a saturated sodium bicarbonate solution?

7 upvotes

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What causes this neon glow bulb to flicker slightly when the power is disconnected from one side (AC power source)?

5 upvotes

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When two bubbles merge (sharing their surface area), how is the new bubble still "filled" and spherical?

4 upvotes

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Is there a reason why additional zinc sacrificial anodes couldn't be used to prevent the inevitable corrosion of galvanized pipes?

1 upvotes

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Are miniature Krypton and Xenon "glow bulbs" possible?

0 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Iridium and similarly hard metals are difficult to machine due to extreme work hardening. Is "grinding" based machining also affected?	3779
Is there a reason your own "young" bone marrow couldn't put in storage for an immune system "restoration" when you are older?	3121
Can the Radiation from a Sample of Depleted Uranium Sterilize?	1260
What physical characteristic allows gold/silver coins to "ping"/resonate when struck while coins made from other metals with the same crystal structure do not?	529
Why does Osmium, in bulk form, not generate toxic Osmium tetroxide at room temperature?	26
What exactly is the brown patina that is induced on copper by a saturated sodium bicarbonate solution?	7
What causes this neon glow bulb to flicker slightly when the power is disconnected from one side (AC power source)?	5
When two bubbles merge (sharing their surface area), how is the new bubble still "filled" and spherical?	4
Is there a reason why additional zinc sacrificial anodes couldn't be used to prevent the inevitable corrosion of galvanized pipes?	1
Are miniature Krypton and Xenon "glow bulbs" possible?	0