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

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Why are Au-Pt cubes used to detect gravitational waves in the LISA Pathfinder mission as opposed to other elements?

882 upvotes

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How large of an electromagnetic field would you need to deflect cosmic rays significantly?

39 upvotes

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Could an alternate universe have different values of the fundamental constants?

29 upvotes

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If you lived in a cold climate, had a heated home, but instead of walls you had lines of small stirling engines, could the difference in temperature power the heater and keep you warm?

6 upvotes

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Is there any correlation between the fact that the most abundant wavelength emitted by the sun is green, and that most plants on earth are green?

3 upvotes

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Why is copper foam a bad heatsink?

2 upvotes

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After the Earth formed, why did it cool from the center outwards as opposed to from the surface inwards?

2 upvotes

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How much plant matter do i need to supply my lungs with oxygen continuously?

1 upvotes

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Are all polymers fully recyclable?

1 upvotes

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Does lightning have a thickness, or is it relatively 2D?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why are Au-Pt cubes used to detect gravitational waves in the LISA Pathfinder mission as opposed to other elements?	882
How large of an electromagnetic field would you need to deflect cosmic rays significantly?	39
Could an alternate universe have different values of the fundamental constants?	29
If you lived in a cold climate, had a heated home, but instead of walls you had lines of small stirling engines, could the difference in temperature power the heater and keep you warm?	6
Is there any correlation between the fact that the most abundant wavelength emitted by the sun is green, and that most plants on earth are green?	3
Why is copper foam a bad heatsink?	2
After the Earth formed, why did it cool from the center outwards as opposed to from the surface inwards?	2
How much plant matter do i need to supply my lungs with oxygen continuously?	1
Are all polymers fully recyclable?	1
Does lightning have a thickness, or is it relatively 2D?	1