/u/314159265358979326's posts in /r/askscience

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Does a row of dominoes being tipped have a characteristic propagation speed or does it depend on how the first is knocked over?

20 upvotes

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Does Heisenberg's uncertainty principle suggest that you can determine velocity and position to good precision if you don't know the particle's mass? Is there even any situation where that could come up?

9 upvotes

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Nitrites are carcinogenic when found in smoked meats. Nitrites are also found in high concentrations in plants like celery. Are they carcinogenic in this form? If not, why not?

6 upvotes

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What does the math look like when calculating how much force it takes to crush a full soup can with a force coaxial with the can?

3 upvotes

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What would be the effect of a non-nuclear electromagnetic pulse weapon on a human's nervous system?

2 upvotes

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How deep does sediment have to get before it turns from hard earth to stone? How long does that typically take?

1 upvotes

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Does speed reading work? Is there a realistic limit for speed with any sort of comprehension?

1 upvotes

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Do opioids work for non-cancer chronic pain?

1 upvotes

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How is something like the Epley maneuver (a simple but odd series of actions to reset the balance system in the ear) discovered?

1 upvotes

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In the phenomenon of total internal reflection, we're able to see the light from the outside of the conduit as it travels - it's not totally internal. Why can we see this light?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Does a row of dominoes being tipped have a characteristic propagation speed or does it depend on how the first is knocked over?	20
Does Heisenberg's uncertainty principle suggest that you can determine velocity and position to good precision if you don't know the particle's mass? Is there even any situation where that could come up?	9
Nitrites are carcinogenic when found in smoked meats. Nitrites are also found in high concentrations in plants like celery. Are they carcinogenic in this form? If not, why not?	6
What does the math look like when calculating how much force it takes to crush a full soup can with a force coaxial with the can?	3
What would be the effect of a non-nuclear electromagnetic pulse weapon on a human's nervous system?	2
How deep does sediment have to get before it turns from hard earth to stone? How long does that typically take?	1
Does speed reading work? Is there a realistic limit for speed with any sort of comprehension?	1
Do opioids work for non-cancer chronic pain?	1
How is something like the Epley maneuver (a simple but odd series of actions to reset the balance system in the ear) discovered?	1
In the phenomenon of total internal reflection, we're able to see the light from the outside of the conduit as it travels - it's not totally internal. Why can we see this light?	1