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

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How much energy does Earth need to maintain its processes?

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Are there any interesting applications of discrete math that are related to space/astrophysics?

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I have a device that runs off 9v/1.0A power, but no power block. I also have a 12v/1.0A power block, and a 9v/800mA power block. Can I use either of them? If so, which one is preferable?

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Why doesn't human head and facial hair self-regulate its length, like body hair and animal fur seem to?

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Chemically, how does adderall (or any other ADD medication) make you more able to focus?

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If we knew alien life existed in a nearby star system, would we even be able to make enough 'noise' to get their attention?

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Do recreational drugs affect other organisms in the same way? Are there species (or families) of animals that are immune to the effects of certain drugs?

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If the earth were to become uninhabitable (let's say devastating nuclear war), how long would it take for large animals (say dog sized) to become prevalent again?

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Why are portions of the body like the lower back erogenous zones?

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Twin Paradox - Why does relativistic aging only work in one direction?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How much energy does Earth need to maintain its processes?	2
Are there any interesting applications of discrete math that are related to space/astrophysics?	2
I have a device that runs off 9v/1.0A power, but no power block. I also have a 12v/1.0A power block, and a 9v/800mA power block. Can I use either of them? If so, which one is preferable?	2
Why doesn't human head and facial hair self-regulate its length, like body hair and animal fur seem to?	1
Chemically, how does adderall (or any other ADD medication) make you more able to focus?	1
If we knew alien life existed in a nearby star system, would we even be able to make enough 'noise' to get their attention?	1
Do recreational drugs affect other organisms in the same way? Are there species (or families) of animals that are immune to the effects of certain drugs?	1
If the earth were to become uninhabitable (let's say devastating nuclear war), how long would it take for large animals (say dog sized) to become prevalent again?	1
Why are portions of the body like the lower back erogenous zones?	1
Twin Paradox - Why does relativistic aging only work in one direction?	1