/u/graaahh's posts

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Why can't anything made of matter go the speed of light?

2 upvotes • r/askscience

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Were American slaves selectively bred for physicality or other features?

2 upvotes • r/AskHistorians

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Is it possible to look at a point in the night sky where the Big Bang happened? If not, why not?

2 upvotes • r/askscience

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Does the heat of a concentrated spot of sun increase exponentially with the size of the magnifying glass used to focus it? Does magnifying power make a difference?

2 upvotes • r/askscience

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Before the days of orbiting telescopes, how did astronomers use spectral lines to determine chemical composition of stars, without the results being affected by the Earth's atmosphere?

2 upvotes • r/askscience

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How was Hitler able to successfully launch military invasions when Germany at the time had no economic stability?

2 upvotes • r/AskHistorians

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Is there always a test that can be done to check if a number is divisible by a given prime?

2 upvotes • r/askscience

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Is it possible to teach the brain new senses? What has been tried successfully?

2 upvotes • r/askscience

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What was the reaction of the general public when scientists first said human beings were animals? How did educated people react?

2 upvotes • r/AskHistorians

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How does DNA not get knotted up?

2 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Why can't anything made of matter go the speed of light?	2	askscience
Were American slaves selectively bred for physicality or other features?	2	AskHistorians
Is it possible to look at a point in the night sky where the Big Bang happened? If not, why not?	2	askscience
Does the heat of a concentrated spot of sun increase exponentially with the size of the magnifying glass used to focus it? Does magnifying power make a difference?	2	askscience
Before the days of orbiting telescopes, how did astronomers use spectral lines to determine chemical composition of stars, without the results being affected by the Earth's atmosphere?	2	askscience
How was Hitler able to successfully launch military invasions when Germany at the time had no economic stability?	2	AskHistorians
Is there always a test that can be done to check if a number is divisible by a given prime?	2	askscience
Is it possible to teach the brain new senses? What has been tried successfully?	2	askscience
What was the reaction of the general public when scientists first said human beings were animals? How did educated people react?	2	AskHistorians
How does DNA not get knotted up?	2	askscience