/u/mcaffrey's posts

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Is spacetime literally curved? Or is that a metaphor/model we use to describe the gravitational concepts that we don't yet understand?

1499 upvotes • r/askscience

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Do any Physicists think the new NASA Cannae drives will really work? Does momentum not always have to be conserved?

17 upvotes • r/askscience

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How did Christianity grow from a small cult in Judea, to around 10% of the Roman Empire at the time of Constantine?

3 upvotes • r/AskHistorians

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Is it possible that most of humanity wasn't self-aware for much of early human history?

2 upvotes • r/askscience

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Do any Physicists think the new NASA Cannae drives will really work? Does momentum not always have to be conserved?

2 upvotes • r/askscience

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Why don't we want to contaminate Mars?

1 upvotes • r/askscience

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For the newly discovered super huge black hole, would the event horizon be large enough for solar systems to persist INSIDE the event horizon?

1 upvotes • r/askscience

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How strong is the medical consensus on limiting salt intake?

1 upvotes • r/askscience

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Could there be a link between sunscreen chemicals and autism?

1 upvotes • r/askscience

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Dieting Question. Which is a better weight loss strategy - spreading your calories evenly throughout the day, or starving and binging on the exact same number of calories?

1 upvotes • r/askscience

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Title	Upvotes	Subreddit	Mark as read	Favorited	Rating	Add to a list
Is spacetime literally curved? Or is that a metaphor/model we use to describe the gravitational concepts that we don't yet understand?	1499	askscience
Do any Physicists think the new NASA Cannae drives will really work? Does momentum not always have to be conserved?	17	askscience
How did Christianity grow from a small cult in Judea, to around 10% of the Roman Empire at the time of Constantine?	3	AskHistorians
Is it possible that most of humanity wasn't self-aware for much of early human history?	2	askscience
Do any Physicists think the new NASA Cannae drives will really work? Does momentum not always have to be conserved?	2	askscience
Why don't we want to contaminate Mars?	1	askscience
For the newly discovered super huge black hole, would the event horizon be large enough for solar systems to persist INSIDE the event horizon?	1	askscience
How strong is the medical consensus on limiting salt intake?	1	askscience
Could there be a link between sunscreen chemicals and autism?	1	askscience
Dieting Question. Which is a better weight loss strategy - spreading your calories evenly throughout the day, or starving and binging on the exact same number of calories?	1	askscience