/u/AWildBugHasAppeared's posts

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In 13th century Europe, how doable was it for people living in one city to visit friends or family members living in another city? How rich would one need to be to afford to take a few weeks off and how expensive was traveling in general?

10 upvotes • r/AskHistorians

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If two photons interfere to form a standing wave field, does their energy density cancel in the nodes as well? What would the gravitational field stemming from a sufficiently intense standing wave field look like?

10 upvotes • r/askscience

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[WP] There are many stories about evil geniuses that are phycisits, engineers or biologists. Write a story infolving an evil genius who's expertise is a little less obviously usefull.

10 upvotes • r/WritingPrompts

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Can a positron interact with a neutron to produce a photon and a proton?

9 upvotes • r/askscience

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[WP] You're having a really hard time telling the difference between coke (the drink) and coke (the drug)

9 upvotes • r/WritingPrompts

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[WP] Write a story with a drunk or stoned narator.

7 upvotes • r/WritingPrompts

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[WP] You're a scientist studying extraterestial signals, and you've just seen a sentient species get wiped out.

7 upvotes • r/WritingPrompts

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[WP] It's the future, AIs are everywhere, and just like humans they sometimes need a counselor, or just someone to talk to...

6 upvotes • r/WritingPrompts

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In thermodynamically reversible processes, entropy is conserved. Is there a symetry ascociated with this conservation law?

6 upvotes • r/askscience

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Where does the practice of shaking hands come from? And why does it seem like all (or at least all western) cultures basically use the same handshake?

6 upvotes • r/AskHistorians

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
In 13th century Europe, how doable was it for people living in one city to visit friends or family members living in another city? How rich would one need to be to afford to take a few weeks off and how expensive was traveling in general?	10	AskHistorians
If two photons interfere to form a standing wave field, does their energy density cancel in the nodes as well? What would the gravitational field stemming from a sufficiently intense standing wave field look like?	10	askscience
[WP] There are many stories about evil geniuses that are phycisits, engineers or biologists. Write a story infolving an evil genius who's expertise is a little less obviously usefull.	10	WritingPrompts
Can a positron interact with a neutron to produce a photon and a proton?	9	askscience
[WP] You're having a really hard time telling the difference between coke (the drink) and coke (the drug)	9	WritingPrompts
[WP] Write a story with a drunk or stoned narator.	7	WritingPrompts
[WP] You're a scientist studying extraterestial signals, and you've just seen a sentient species get wiped out.	7	WritingPrompts
[WP] It's the future, AIs are everywhere, and just like humans they sometimes need a counselor, or just someone to talk to...	6	WritingPrompts
In thermodynamically reversible processes, entropy is conserved. Is there a symetry ascociated with this conservation law?	6	askscience
Where does the practice of shaking hands come from? And why does it seem like all (or at least all western) cultures basically use the same handshake?	6	AskHistorians