/u/H5N1BirdFlu's posts in /r/askscience

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Why is nitrogen an inert gas such a potent substance of all of our explosives? Nitro glycerin is a nitrate of glycerin, nitrocellulose is a nitrate of cellulose and TNT is a nitrate of toulenue?

465 upvotes

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Now since Russia is out of the picture is the current generation of US Americans entering the new cold war between the US and China?

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What if we are the first sentient civilization in the universe? What would be the consequences for the future?

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If a US Submarine was teleported into space; assuming all hatches buttoned up; how long would the crew survive?

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If 1000 people, strategically chosen, were transported together to the early stone age with no tools, how long would it take to build an early 20th-century society?

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A flat piece of metal has a hole in it. When heated, the metal expands in all directions. When the temperature increases, will the size of the hole increase, decrease, or stay the same? Why?

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How can orbital tungsten rods in the "Rods from God" concept hit with the force of "tactical nuclear weapons" if all of the rods' orbital energy is limited to a fraction of the chemical energy in launch vehicles that weigh at most hundreds of tons?

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Why are fluoride and especially fluorines so nasty?

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How to make sure that my son plays longer with this toy?!

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why is nitrogen an inert gas such a potent substance of all of our explosives? Nitro glycerin is a nitrate of glycerin, nitrocellulose is a nitrate of cellulose and TNT is a nitrate of toulenue?	465
Now since Russia is out of the picture is the current generation of US Americans entering the new cold war between the US and China?	1
What if we are the first sentient civilization in the universe? What would be the consequences for the future?	1
If a US Submarine was teleported into space; assuming all hatches buttoned up; how long would the crew survive?	1
If 1000 people, strategically chosen, were transported together to the early stone age with no tools, how long would it take to build an early 20th-century society?	1
A flat piece of metal has a hole in it. When heated, the metal expands in all directions. When the temperature increases, will the size of the hole increase, decrease, or stay the same? Why?	1
How can orbital tungsten rods in the "Rods from God" concept hit with the force of "tactical nuclear weapons" if all of the rods' orbital energy is limited to a fraction of the chemical energy in launch vehicles that weigh at most hundreds of tons?	1
Why are fluoride and especially fluorines so nasty?	1
How to make sure that my son plays longer with this toy?!	1