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

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Is there a limit to how many photons you can pack into a beam of defined width? Or to ask the other way - can an infinite number of photons occupy the same space?

3157 upvotes

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Are there reports on delayed thixotropic responses by materials to steady shear rates?

2 upvotes

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How am I supposed to clean analyitcal woven wire mesh sieves (<105µm)?

1 upvotes

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Is there a comprehensive list of CAS-numbers and the H/P sentences?

1 upvotes

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When I can't decide at a vending machine and press 2 buttons at the same time to be surprised - did my subconscious choose for me?

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I am looking for resources on how structure, particularly on nano/micrometer level, influences crack propagation, stress absorption and so on. Any tips where to go with that?

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Does willpower actually consume energy or is it just a concept? I.e. does discipline actually cost energy?

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Assuming electrical conductivity does not happen instantaneous, how big would be the circular radius of a cable that contains an additional electron? Explanation in comments.

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Are humans capable of random decisions?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is there a limit to how many photons you can pack into a beam of defined width? Or to ask the other way - can an infinite number of photons occupy the same space?	3157
Are there reports on delayed thixotropic responses by materials to steady shear rates?	2
How am I supposed to clean analyitcal woven wire mesh sieves (<105µm)?	1
Is there a comprehensive list of CAS-numbers and the H/P sentences?	1
When I can't decide at a vending machine and press 2 buttons at the same time to be surprised - did my subconscious choose for me?	1
I am looking for resources on how structure, particularly on nano/micrometer level, influences crack propagation, stress absorption and so on. Any tips where to go with that?	1
Does willpower actually consume energy or is it just a concept? I.e. does discipline actually cost energy?	1
Assuming electrical conductivity does not happen instantaneous, how big would be the circular radius of a cable that contains an additional electron? Explanation in comments.	1
Are humans capable of random decisions?	1