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

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When dog's sit on their hind legs and "beg", did that stem from some evolutionary process that had a purpose in nature?

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Is there interference between photons orbiting a black hole's event horizon and incoming photons?

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Where does the dog "begging" pose come from?

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Do photons interfere with anything OTHER than themselves?

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Is there evidence or formal studies that suggest our capacity for memory is greater/same/less than earlier generations?

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Dogs enjoy ear scratches in an almost over-the-top way due to a very high number of nerve endings there. Is this coincidence, or is there an evolutionary advantage to that particular sensitivity, like encouraging their bond to humans?

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How is radiated heat contained in devices like the Wendelstein 7-X reactor?

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Why don't large telescopes use arrays of photoreceptors where their reflecting mirrors are instead of using those mirrors to focus the light onto a small patch of photoreceptors?

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Isn't describing the "first second" of the universe a moot point?

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Do satellites in polar orbit typically remain locked on a specific longitude, remain fixed in relation to the sun, or is the rotation of the orbital "ring" something controlled depending on the task?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
When dog's sit on their hind legs and "beg", did that stem from some evolutionary process that had a purpose in nature?	3
Is there interference between photons orbiting a black hole's event horizon and incoming photons?	1
Where does the dog "begging" pose come from?	1
Do photons interfere with anything OTHER than themselves?	1
Is there evidence or formal studies that suggest our capacity for memory is greater/same/less than earlier generations?	1
Dogs enjoy ear scratches in an almost over-the-top way due to a very high number of nerve endings there. Is this coincidence, or is there an evolutionary advantage to that particular sensitivity, like encouraging their bond to humans?	1
How is radiated heat contained in devices like the Wendelstein 7-X reactor?	1
Why don't large telescopes use arrays of photoreceptors where their reflecting mirrors are instead of using those mirrors to focus the light onto a small patch of photoreceptors?	1
Isn't describing the "first second" of the universe a moot point?	1
Do satellites in polar orbit typically remain locked on a specific longitude, remain fixed in relation to the sun, or is the rotation of the orbital "ring" something controlled depending on the task?	1