/u/[deleted]'s posts in /r/askscience

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Can I carbonate a beverage with helium?

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What's the physical interpretation of Gibbs free energy?

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In space there can be no sound due to the lack of a medium, such as air. So as you increase your altitude from the earth's surface, as the air gets thinner and the pressure drops, what happens to sound? Does it get quieter, slower or does nothing change?

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Just as the moon revolves around the Earth, why don't two much smaller objects with the same ratio in mass also see orbiting?

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Are microwave ovens bad for you?

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Does my neighbor above me hear things differently than I hear it from them below? That is, does sound travel better/faster/louder upwards or downwards (or no difference)?

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Why are CPUs rated in GHz when two different CPUs, both with the same quoted GHz figure, can exhibit vast differeces in performance? What causes such variances in performance and does there exist a better metric for rating CPUs?

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How do they map out the universe?

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What is it about neodymium magnets that makes their attraction so strong?

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Are words like "eleven" and "twelve" evidence of the former use of a base-12 number system?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Can I carbonate a beverage with helium?	12
What's the physical interpretation of Gibbs free energy?	12
In space there can be no sound due to the lack of a medium, such as air. So as you increase your altitude from the earth's surface, as the air gets thinner and the pressure drops, what happens to sound? Does it get quieter, slower or does nothing change?	12
Just as the moon revolves around the Earth, why don't two much smaller objects with the same ratio in mass also see orbiting?	12
Are microwave ovens bad for you?	12
Does my neighbor above me hear things differently than I hear it from them below? That is, does sound travel better/faster/louder upwards or downwards (or no difference)?	12
Why are CPUs rated in GHz when two different CPUs, both with the same quoted GHz figure, can exhibit vast differeces in performance? What causes such variances in performance and does there exist a better metric for rating CPUs?	12
How do they map out the universe?	12
What is it about neodymium magnets that makes their attraction so strong?	12
Are words like "eleven" and "twelve" evidence of the former use of a base-12 number system?	12