/u/thetimujin's posts

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In Feynman's QED he keeps mentioning a mysterious number j which relates to how electrons interact with photons. He never explains what it is. What is it?

1 upvotes • r/askscience

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How accurately can we tell someone's age on a purely biological basis? Like if there are no records or memories about when someone was born, but we can do a medical examination, how much can we learn?

1 upvotes • r/askscience

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How to reconcile\bridge together Maxwell's equations and Quantum electrodynamics?

1 upvotes • r/askscience

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Do caged pets, like guinea pigs or goldfish, get bored just hanging around in a small space doing nothing?

1 upvotes • r/askscience

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Was homosexuality always viewed as sinful\taboo, or is it a recent development?

1 upvotes • r/AskHistorians

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What exactly was the conflict between Stalin and Trotsky, and why was it resolved the way it was?

1 upvotes • r/AskHistorians

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When and how did we figure out that the brain is the seat of consciousness and cognition?

1 upvotes • r/AskHistorians

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How did humans, uniquely among all living things, end up with a nudity taboo?

1 upvotes • r/AskHistorians

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How are Tulpas represented in human brain? Are there technical limitations on how advanced they can be?

1 upvotes • r/askscience

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Is there a pseudorandom number generator algorithm that is simple enough to compute in my head?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
In Feynman's QED he keeps mentioning a mysterious number j which relates to how electrons interact with photons. He never explains what it is. What is it?	1	askscience
How accurately can we tell someone's age on a purely biological basis? Like if there are no records or memories about when someone was born, but we can do a medical examination, how much can we learn?	1	askscience
How to reconcile\bridge together Maxwell's equations and Quantum electrodynamics?	1	askscience
Do caged pets, like guinea pigs or goldfish, get bored just hanging around in a small space doing nothing?	1	askscience
Was homosexuality always viewed as sinful\taboo, or is it a recent development?	1	AskHistorians
What exactly was the conflict between Stalin and Trotsky, and why was it resolved the way it was?	1	AskHistorians
When and how did we figure out that the brain is the seat of consciousness and cognition?	1	AskHistorians
How did humans, uniquely among all living things, end up with a nudity taboo?	1	AskHistorians
How are Tulpas represented in human brain? Are there technical limitations on how advanced they can be?	1	askscience
Is there a pseudorandom number generator algorithm that is simple enough to compute in my head?	1	askscience