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

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How are BTUs calculated, and how would it be calculated on heat emitted from bare copper pipe?

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Would it make more sense to use rechargeable battery cells/packs at fixture or appliance location with smaller wiring for charging in a house, rather than a central powerwall with standard 14 or 12 gauge wire throughout the house, or would it not matter?

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Why can't we replicate centripetal force?

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How much larger and and what could our planet have looked like if the event that caused the moon never happened?

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Can centripetal force be replicated in a vacuum chamber by spinning a really heavy sphere on an axis?

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How far away from our planet would the farthest reaching radio waves we've sent out be at this point?

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When calculating Power using the equation P=npQgh, does the total reflect a 1 hour usage period or 1 second usage period?

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Has the way we see our constellations been measured to see if the stars are moving closer together or further apart in space considering galaxy spin and universe expansion?

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How many children would a couple have to have in order to negate the need of a heating system in a modern average sized home?

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If our solar system is perfectly balanced in orbit, and we start mining operations in the asteroid belt, would our solar system eventually reach gravitational instability?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How are BTUs calculated, and how would it be calculated on heat emitted from bare copper pipe?	1
Would it make more sense to use rechargeable battery cells/packs at fixture or appliance location with smaller wiring for charging in a house, rather than a central powerwall with standard 14 or 12 gauge wire throughout the house, or would it not matter?	1
Why can't we replicate centripetal force?	1
How much larger and and what could our planet have looked like if the event that caused the moon never happened?	1
Can centripetal force be replicated in a vacuum chamber by spinning a really heavy sphere on an axis?	1
How far away from our planet would the farthest reaching radio waves we've sent out be at this point?	1
When calculating Power using the equation P=npQgh, does the total reflect a 1 hour usage period or 1 second usage period?	1
Has the way we see our constellations been measured to see if the stars are moving closer together or further apart in space considering galaxy spin and universe expansion?	1
How many children would a couple have to have in order to negate the need of a heating system in a modern average sized home?	1
If our solar system is perfectly balanced in orbit, and we start mining operations in the asteroid belt, would our solar system eventually reach gravitational instability?	1