/u/gnex30's posts

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The so-called "forever chemicals" - PFAS - are chemically inert, how do they cause cancer? Is it a purely physical interaction?

1 upvotes • r/askscience

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If the speed of light is a property of space itself why do the vacuum electric permittivity and permeability happen to have the right values to match c? If c is the "speed of causality" what do μ and ε have to do with causality?

1 upvotes • r/askscience

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If two relativistic observers each see a different longitudinal length scale and clock time how can they agree on each other's speed?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
The so-called "forever chemicals" - PFAS - are chemically inert, how do they cause cancer? Is it a purely physical interaction?	1	askscience
If the speed of light is a property of space itself why do the vacuum electric permittivity and permeability happen to have the right values to match c? If c is the "speed of causality" what do μ and ε have to do with causality?	1	askscience
If two relativistic observers each see a different longitudinal length scale and clock time how can they agree on each other's speed?	1	askscience