/u/sd4473's posts in /r/askscience

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If energy is truly conserved, then can we measure how much of it exists?

19 upvotes

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Peltier tiles utilize heat flow to generate electricity. How does it actually work? Can Peltier tiles be used to produce meaningful amounts of electricity?

13 upvotes

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The headlights on my car have gone "blurry", how would I go about reversing that process?

6 upvotes

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How long does a particle of food/energy take to go from the dinner plate to your toe, after going through your digestive system?

1 upvotes

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What would happen to a gas planet in our solar system if a very large meteorite struck its core?

0 upvotes

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Is it feasible for jetliners to incorporate vertical take-off methods like jet fighters?

0 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If energy is truly conserved, then can we measure how much of it exists?	19
Peltier tiles utilize heat flow to generate electricity. How does it actually work? Can Peltier tiles be used to produce meaningful amounts of electricity?	13
The headlights on my car have gone "blurry", how would I go about reversing that process?	6
How long does a particle of food/energy take to go from the dinner plate to your toe, after going through your digestive system?	1
What would happen to a gas planet in our solar system if a very large meteorite struck its core?	0
Is it feasible for jetliners to incorporate vertical take-off methods like jet fighters?	0