/u/h4tt3n's posts in /r/askscience

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We often hear that we modern humans have 2-3% Neanderthal DNA mixed into our genes. Are they the same genes repeating over and over, or could you assemble a complete Neanderthal genome from all living humans?

5083 upvotes

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What noise reduction and smoothing algorithms are good for filtering thermistor-based temperature data?

30 upvotes

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Is all Earth's calcium-carbonate reserves produced by living organisms or is there "inorganic chalk"?

9 upvotes

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How to calculate Delta V with the Tsiolkovsky equation for vehicle with several discrete engines?

3 upvotes

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Buoyancy on ship on non-trivially shaped ocean surface?

1 upvotes

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Q about water flow through pipe with turbine

1 upvotes

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If time is another dimension perpendicular to the three spatial dimensions, can we translate time into distance? For instance, how far away is the 19th century, or Christmas, in meters along the time-dimension?

1 upvotes

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Consider two identical mountains, one on dry land and one fully submerged under the ocean. Would the submarine mountain be heavier because of the water pressing down on it, or lighter because of buoyancy?

1 upvotes

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Equation for estimating legionella growth in hot-water pipes as a function of water flow and temperature?

1 upvotes

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Calculating buoyancy on ship moving across non-trivially shaped ocean surface?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
We often hear that we modern humans have 2-3% Neanderthal DNA mixed into our genes. Are they the same genes repeating over and over, or could you assemble a complete Neanderthal genome from all living humans?	5083
What noise reduction and smoothing algorithms are good for filtering thermistor-based temperature data?	30
Is all Earth's calcium-carbonate reserves produced by living organisms or is there "inorganic chalk"?	9
How to calculate Delta V with the Tsiolkovsky equation for vehicle with several discrete engines?	3
Buoyancy on ship on non-trivially shaped ocean surface?	1
Q about water flow through pipe with turbine	1
If time is another dimension perpendicular to the three spatial dimensions, can we translate time into distance? For instance, how far away is the 19th century, or Christmas, in meters along the time-dimension?	1
Consider two identical mountains, one on dry land and one fully submerged under the ocean. Would the submarine mountain be heavier because of the water pressing down on it, or lighter because of buoyancy?	1
Equation for estimating legionella growth in hot-water pipes as a function of water flow and temperature?	1
Calculating buoyancy on ship moving across non-trivially shaped ocean surface?	1