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

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Why does putting salt water (saline) into our blood stream rehydrate us, but drinking salt water can harm us?

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Why do my arms amd hands tingle after using something that shakes at high speed like a lawn mower or sawzall? [SERIOUS]

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Why do my hands and arms tingle/hurt after using something that vibrates at high speed such as a lawn mower or sawzall?

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Water is much more important than food for survival, so why haven't our bodies evolved a way to store excess water?

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If a child was raised along side a family of monkeys, and spend considerable time with them from birth, would the child be able to understand how the primates communicate, similar to learning another language?

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Given today's technology, would it be possible to make a completely solid state computer capable of running a basic OS, such as DOS? If not, what advances would be needed to do such a thing?

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When we remember a specific memory, why do we see it in our heads in the third person, when we experienced it in the first person?

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If we were to completely fry every computer, chip and piece of electronics on Earth, how long would it take us to get technology back to where it is today?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why does putting salt water (saline) into our blood stream rehydrate us, but drinking salt water can harm us?	3878
Why do my arms amd hands tingle after using something that shakes at high speed like a lawn mower or sawzall? [SERIOUS]	1
Why do my hands and arms tingle/hurt after using something that vibrates at high speed such as a lawn mower or sawzall?	1
Water is much more important than food for survival, so why haven't our bodies evolved a way to store excess water?	1
If a child was raised along side a family of monkeys, and spend considerable time with them from birth, would the child be able to understand how the primates communicate, similar to learning another language?	1
Given today's technology, would it be possible to make a completely solid state computer capable of running a basic OS, such as DOS? If not, what advances would be needed to do such a thing?	1
When we remember a specific memory, why do we see it in our heads in the third person, when we experienced it in the first person?	1
If we were to completely fry every computer, chip and piece of electronics on Earth, how long would it take us to get technology back to where it is today?	1