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

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How do we know that there is potential energy if it can't be measured?

1 upvotes

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If a nearsighted person looks in a mirror, will they be able to see twice the distance, or half, before their vision blurs?

1 upvotes

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Why does shampoo lather and foam more if my hair is clean? Is it simply because there is less oil to be "cleaned" away?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How do we know that there is potential energy if it can't be measured?	1
If a nearsighted person looks in a mirror, will they be able to see twice the distance, or half, before their vision blurs?	1
Why does shampoo lather and foam more if my hair is clean? Is it simply because there is less oil to be "cleaned" away?	1