/u/Dizian-'s posts in /r/askscience

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What’s the science behind why inhaling Ozone (O3) is harmful, when it only has an extra Oxygen atom?

4 upvotes

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If the universe is expanding and the planets and stars are indefinitely moving further away from each other, how long, theoretically, would it take before we could no longer see the stars?

1 upvotes

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I saw a video recently that suggested that gravity travels at the speed of light, so if the sun disappeared in an instant, instead of the earth immediately straying off course, the pull would last for about 7 minutes due to the remaining gravitational waves. Is this an accurate statement? If so, why

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They say that there has never been two identical snowflakes, what’s the validity behind this statement?

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The pitch-drop experiment featured a small bottle of pitch (tar) that produces a droplet once every 9-16 years. Which substance would therefore have the slowest drop rate of all time?

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What would happen to your body if you were to take say 4 NyQuil pills and a five hour energy at the same time?

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When I’m sick (waking up in the middle of the night due to overheating), I always have the same dreams over and over again, the same scenes playing in your head on repeat driving you insane further reducing the comfort of sleep, is there any scientific evidence behind this?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What’s the science behind why inhaling Ozone (O3) is harmful, when it only has an extra Oxygen atom?	4
If the universe is expanding and the planets and stars are indefinitely moving further away from each other, how long, theoretically, would it take before we could no longer see the stars?	1
I saw a video recently that suggested that gravity travels at the speed of light, so if the sun disappeared in an instant, instead of the earth immediately straying off course, the pull would last for about 7 minutes due to the remaining gravitational waves. Is this an accurate statement? If so, why	1
They say that there has never been two identical snowflakes, what’s the validity behind this statement?	1
The pitch-drop experiment featured a small bottle of pitch (tar) that produces a droplet once every 9-16 years. Which substance would therefore have the slowest drop rate of all time?	1
What would happen to your body if you were to take say 4 NyQuil pills and a five hour energy at the same time?	1
When I’m sick (waking up in the middle of the night due to overheating), I always have the same dreams over and over again, the same scenes playing in your head on repeat driving you insane further reducing the comfort of sleep, is there any scientific evidence behind this?	1