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

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Are the lips of the mouth just a highly-agile sphincter? Is there any real difference between the lips and any of the other sphincters in the digestive system?

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Does friction affect the angle at which an object rebounds?

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Can an accurate working model be smaller than the thing that is being modelled?

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Is the Earth a giant gyroscope?

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Does an eclipse always occur at the same phase of the moon?

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Would a core sample of the Earth from a pole to the centre have the same mass as one from the equator?

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is restricting the number of visitors to hospital patients good for their health?

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Is there a recording produced by someone who was tone deaf, but has since learned pitch differentiation, of what music sounded like to them?

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[Chemistry] Is all acidity basically the same thing (soil, stomach, food)?

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[Chemistry] When salt is added to water, is that salt now part of a liquid or is it still a solid?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Are the lips of the mouth just a highly-agile sphincter? Is there any real difference between the lips and any of the other sphincters in the digestive system?	2
Does friction affect the angle at which an object rebounds?	2
Can an accurate working model be smaller than the thing that is being modelled?	2
Is the Earth a giant gyroscope?	2
Does an eclipse always occur at the same phase of the moon?	2
Would a core sample of the Earth from a pole to the centre have the same mass as one from the equator?	2
is restricting the number of visitors to hospital patients good for their health?	2
Is there a recording produced by someone who was tone deaf, but has since learned pitch differentiation, of what music sounded like to them?	2
[Chemistry] Is all acidity basically the same thing (soil, stomach, food)?	2
[Chemistry] When salt is added to water, is that salt now part of a liquid or is it still a solid?	2