/r/askscience

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Why don't I feel a shock when touching both ends of a household battery? Or even a car battery?

524 upvotes • TheSeeker00

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When charging my metal iPod and brushing my fingers lightly against the metal back of it, it feels slightly tacky, almost like my fingertips are buzzing, or gliding over dust. If I unplug it, this goes away. I assume I am completing a tiny circuit somehow, but why does the metal feel different?

524 upvotes • purpnug

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Where does the energy go during the destructive interference of two waves?

524 upvotes • hihellohi111

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Does the act of boiling actually help cook foods (e.g. potatoes), or do you get the same results with really hot (99C) water?

524 upvotes • kultsinuppeli

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Why can't numbers stations like UVB-76 and The Backward Music Station be triangulated?

524 upvotes • SilentCastHD

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Has the introduction of emojis into Western language structures made our minds more capable of learning Eastern pictorial languages?

524 upvotes • gizzytausend

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When you destroy a bee or wasp nest, where do the survivors go for the night?

524 upvotes • Oneamongthefence24

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If a child were to go into a coma for years and awake in their teens or twenties, would they think more like an adult than they had before?

523 upvotes • [deleted]

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If muscle building is just the micro tears and repairs of muscle fibers, is it possible to do this with lasers or radiation to build muscles without working out? If so, why hasn't anyone invented a way to do this yet?

523 upvotes • LookingAtCameras

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It seems more often than not reducing swelling is beneficial to recovering from injuries. If this is the case why do injuries swell?

523 upvotes • Swiggy

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Title	Upvotes	Author	Mark as read	Favorited	Rating	Add to a list
Why don't I feel a shock when touching both ends of a household battery? Or even a car battery?	524	TheSeeker00
When charging my metal iPod and brushing my fingers lightly against the metal back of it, it feels slightly tacky, almost like my fingertips are buzzing, or gliding over dust. If I unplug it, this goes away. I assume I am completing a tiny circuit somehow, but why does the metal feel different?	524	purpnug
Where does the energy go during the destructive interference of two waves?	524	hihellohi111
Does the act of boiling actually help cook foods (e.g. potatoes), or do you get the same results with really hot (99C) water?	524	kultsinuppeli
Why can't numbers stations like UVB-76 and The Backward Music Station be triangulated?	524	SilentCastHD
Has the introduction of emojis into Western language structures made our minds more capable of learning Eastern pictorial languages?	524	gizzytausend
When you destroy a bee or wasp nest, where do the survivors go for the night?	524	Oneamongthefence24
If a child were to go into a coma for years and awake in their teens or twenties, would they think more like an adult than they had before?	523	[deleted]
If muscle building is just the micro tears and repairs of muscle fibers, is it possible to do this with lasers or radiation to build muscles without working out? If so, why hasn't anyone invented a way to do this yet?	523	LookingAtCameras
It seems more often than not reducing swelling is beneficial to recovering from injuries. If this is the case why do injuries swell?	523	Swiggy