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

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If I had a 1 dollar coin, could I theoretically flatten it to the point where the coin would cover the entire Earth?

3723 upvotes

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Why does the pigment in our skin and our hair remain the same color after years of exposure to different substances (e.g chemicals)?

1 upvotes

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How much physical difference is there between the ceramic we use for cooking, and the brake pads in F1 cars, which are also made out of ceramic?

1 upvotes

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If I am nearsighted and look at an object far away, will it appear clear if i look at the object through a mirror much closer?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If I had a 1 dollar coin, could I theoretically flatten it to the point where the coin would cover the entire Earth?	3723
Why does the pigment in our skin and our hair remain the same color after years of exposure to different substances (e.g chemicals)?	1
How much physical difference is there between the ceramic we use for cooking, and the brake pads in F1 cars, which are also made out of ceramic?	1
If I am nearsighted and look at an object far away, will it appear clear if i look at the object through a mirror much closer?	1