/u/ricksteer_p333's posts in /r/askscience

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When I shine a laser through a piece of glass, did the photons coming out of the other side of the glass originate within the laser, or do the glass molecules produce photons with identical modes as the incident light?

1012 upvotes

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How come active helicopter propellers have a slow moving shadow?

7 upvotes

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Is it psychologically safe for a 3 year old to spend 3 months with his father, then 3 months with his mother?

1 upvotes

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Is it possible to shrink subatomic particles?

1 upvotes

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Why do flocks of crows sometimes stand together and face one direction?

1 upvotes

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Would it be more difficult for SpaceX's Falcon 9 to land on Mars, or would it be easier?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When I shine a laser through a piece of glass, did the photons coming out of the other side of the glass originate within the laser, or do the glass molecules produce photons with identical modes as the incident light?	1012
How come active helicopter propellers have a slow moving shadow?	7
Is it psychologically safe for a 3 year old to spend 3 months with his father, then 3 months with his mother?	1
Is it possible to shrink subatomic particles?	1
Why do flocks of crows sometimes stand together and face one direction?	1
Would it be more difficult for SpaceX's Falcon 9 to land on Mars, or would it be easier?	1