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

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How much use are Einstein's relativistic equations [given that a postulate of their use is that two frames are inertial], if the expansion of the universe itself is accelerating?

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Why does air from a fan cool things down if the air from the fan has a significantly higher RMS velocity than the surrounding air?

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An atom is to a human as a human is to a - what, exactly?

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If each stage of an axial compressor has a given polytropic efficiency, does the overall compressor have the same polytropic efficiency?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How much use are Einstein's relativistic equations [given that a postulate of their use is that two frames are inertial], if the expansion of the universe itself is accelerating?	1
Why does air from a fan cool things down if the air from the fan has a significantly higher RMS velocity than the surrounding air?	1
An atom is to a human as a human is to a - what, exactly?	1
If each stage of an axial compressor has a given polytropic efficiency, does the overall compressor have the same polytropic efficiency?	0