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

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Did societal differences, such as smoking and length of pollution exposure, account for the deaths by age curve in China being very different than in the US? Do we have enough data to examine this?

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Is the net number of deaths from Covid-19 greater or less than; the lives saved by the lack of traffic and other accidents from social distancing?

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If a strong, light sphere of say, Carbon Fiber, had the air removed to negative pressure (vacuum); would it float?

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How do you test (measure accuracy of manufacture) a sphere? Say a ball bearing, or even a marble. Is there an automated system for this process?

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Have there been any substantial changes to the moon since we've had telescopes and photography to check things? Are there any comparison pictures of new craters or such?

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How much of a 3cm diameter steel bar, 2 meter long (a typical pinch bar) would remain if it were thrown straight down from space?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Did societal differences, such as smoking and length of pollution exposure, account for the deaths by age curve in China being very different than in the US? Do we have enough data to examine this?	1
Is the net number of deaths from Covid-19 greater or less than; the lives saved by the lack of traffic and other accidents from social distancing?	1
If a strong, light sphere of say, Carbon Fiber, had the air removed to negative pressure (vacuum); would it float?	1
How do you test (measure accuracy of manufacture) a sphere? Say a ball bearing, or even a marble. Is there an automated system for this process?	1
Have there been any substantial changes to the moon since we've had telescopes and photography to check things? Are there any comparison pictures of new craters or such?	1
How much of a 3cm diameter steel bar, 2 meter long (a typical pinch bar) would remain if it were thrown straight down from space?	1