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

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Why does developing new battery technology seem to take forever, and rarely have results as positive as expected?

228 upvotes

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LED Lighting: If I am installing recessed lighting, is it more efficient to have 4 lights at 50% dim or 2 lights at 100%?

70 upvotes

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How did earth end up with so much water compared to other planets?

9 upvotes

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I get evolution by natural selection, but how do we get from X chromosomes to X+1 or X-1? Is it possible for a species to give birth to something with different amount of chromosomes?

8 upvotes

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Where does the energy go if you have a Power Generator / Solar Panel / Wind Turbine that is not wired up to anything?

5 upvotes

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How do our bodies separate solid and liquid waste?

4 upvotes

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Is "now" the same for everyone and everything in the galaxy?

2 upvotes

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Swelling during pregnancy, if its not Pre-Eclampsia: Any studies on ways to reduce swelling?

1 upvotes

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SETI: A question on the science of the search for life

1 upvotes

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A supplement to a previously asked question: If these are the (some of) reasons we age, what can we do now, today, to extend our life?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why does developing new battery technology seem to take forever, and rarely have results as positive as expected?	228
LED Lighting: If I am installing recessed lighting, is it more efficient to have 4 lights at 50% dim or 2 lights at 100%?	70
How did earth end up with so much water compared to other planets?	9
I get evolution by natural selection, but how do we get from X chromosomes to X+1 or X-1? Is it possible for a species to give birth to something with different amount of chromosomes?	8
Where does the energy go if you have a Power Generator / Solar Panel / Wind Turbine that is not wired up to anything?	5
How do our bodies separate solid and liquid waste?	4
Is "now" the same for everyone and everything in the galaxy?	2
Swelling during pregnancy, if its not Pre-Eclampsia: Any studies on ways to reduce swelling?	1
SETI: A question on the science of the search for life	1
A supplement to a previously asked question: If these are the (some of) reasons we age, what can we do now, today, to extend our life?	1