/u/non-troll_account's posts in /r/askscience

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Why can't self-driving cars use spectrometers to help understand what's on the road, like ice or oil?

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Quick question about 3 dimensional waves?

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Does the universe have an edge?

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When I was a kid, I read that, paradoxically, the more massive a black hole is, the smaller it is. Is this true or completely bunk?

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70 years ago today, scientists detonated the first atomic bomb. A mere 7 years later, the first thermonuclear bomb. Given the incredible amount of new knowledge gained by physicists over the last 70 years, why is it so hard for well-funded states to develop their own nuclear weapons?

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So scientists domesticated foxes in 40 years- I began thinking of other cool animals to domesticate. Which of these would be the most feasible? Other ideas?

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What were some of the alternative explanations to the Solar Neutrino Problem, explaining why we only detected a third of the expected neutrinos from the sun? Was an indeterminate wave function collapse proposed? If so, how was it ruled out by the Super-Kamiokande experiment?

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Not sure if history or science: HOW did smallpox get brought to the Americas if there is no asymptomatic carrier state?

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How do nocturnal animals get Vitamin D, since you need exposure to sunlight to synthesize it?

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So, neutrinos only interact via the weak force and gravity. Electrons don't interact with the strong force, etc. Are there any particles in theory which interact with the strong and weak forces, but not electromagnetic or gravity (massless)?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why can't self-driving cars use spectrometers to help understand what's on the road, like ice or oil?	4
Quick question about 3 dimensional waves?	3
Does the universe have an edge?	3
When I was a kid, I read that, paradoxically, the more massive a black hole is, the smaller it is. Is this true or completely bunk?	3
70 years ago today, scientists detonated the first atomic bomb. A mere 7 years later, the first thermonuclear bomb. Given the incredible amount of new knowledge gained by physicists over the last 70 years, why is it so hard for well-funded states to develop their own nuclear weapons?	3
So scientists domesticated foxes in 40 years- I began thinking of other cool animals to domesticate. Which of these would be the most feasible? Other ideas?	2
What were some of the alternative explanations to the Solar Neutrino Problem, explaining why we only detected a third of the expected neutrinos from the sun? Was an indeterminate wave function collapse proposed? If so, how was it ruled out by the Super-Kamiokande experiment?	2
Not sure if history or science: HOW did smallpox get brought to the Americas if there is no asymptomatic carrier state?	2
How do nocturnal animals get Vitamin D, since you need exposure to sunlight to synthesize it?	2
So, neutrinos only interact via the weak force and gravity. Electrons don't interact with the strong force, etc. Are there any particles in theory which interact with the strong and weak forces, but not electromagnetic or gravity (massless)?	2