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

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Birds' feathered wings make sense for flight (lightweight with large surface area), but why are their bodies fully feathered?

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If we constructed a large sealed pipe in a complete circle around the globe, a meter above sea level, and filled it completely with a fluid, would the fluid flow in one direction, alternate, or stay still?

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If a spacecraft you're trying to communicate with is traveling fast enough, do you have to correct for different arrival times of data bits?

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If you carbonate water, let it go flat, and then repeat many times, will the carbonic acid level continue to increase?

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Since earth spins at the same speed and receives the same amount of sunlight every year in any given location, were volcanoes and asteroid impacts the only significant causes of weather variation before humans started industrializing?

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When a song pops into my head, the song seems to be selected randomly. Do we know how our mental jukebox makes its selection?

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Do we know how many watts a tree uses to grow its leaves every year? Can we calculate its solar efficiency?

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Has thoroughly washing dishes (at home, not restaurants) ever been shown to prevent disease, or are they clean enough if they look clean?

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Why do clouds dump their precipitation so evenly, instead of all at once? Do the droplets form evenly throughout the cloud, or just at the edges?

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Do plants grow differently indoors due to the lack of wind?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Birds' feathered wings make sense for flight (lightweight with large surface area), but why are their bodies fully feathered?	1
If we constructed a large sealed pipe in a complete circle around the globe, a meter above sea level, and filled it completely with a fluid, would the fluid flow in one direction, alternate, or stay still?	1
If a spacecraft you're trying to communicate with is traveling fast enough, do you have to correct for different arrival times of data bits?	1
If you carbonate water, let it go flat, and then repeat many times, will the carbonic acid level continue to increase?	1
Since earth spins at the same speed and receives the same amount of sunlight every year in any given location, were volcanoes and asteroid impacts the only significant causes of weather variation before humans started industrializing?	1
When a song pops into my head, the song seems to be selected randomly. Do we know how our mental jukebox makes its selection?	1
Do we know how many watts a tree uses to grow its leaves every year? Can we calculate its solar efficiency?	1
Has thoroughly washing dishes (at home, not restaurants) ever been shown to prevent disease, or are they clean enough if they look clean?	1
Why do clouds dump their precipitation so evenly, instead of all at once? Do the droplets form evenly throughout the cloud, or just at the edges?	1
Do plants grow differently indoors due to the lack of wind?	1