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

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What's the cost of Methane (CH4) per kilogram?

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Why Mars? Why not colonise the moon first?

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If I have an electrical switch and turn it on and off fast enough, can it send a signal to another computer?

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Why does isopropyl alcohol become warm when I mix some tap water into it?

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Is it plausible to use compressed air as a spacecraft propellant?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What's the cost of Methane (CH4) per kilogram?	1
Why Mars? Why not colonise the moon first?	1
If I have an electrical switch and turn it on and off fast enough, can it send a signal to another computer?	1
Why does isopropyl alcohol become warm when I mix some tap water into it?	1
Is it plausible to use compressed air as a spacecraft propellant?	1