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

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How can I tell apart different metals that are superficially similar at home?

5 upvotes

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Why do people seem to notice when you're looking at them when they can't actually see you?

3 upvotes

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What happens when isopropyl alcohol expires?

3 upvotes

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How does eyeglass lense compression work?

3 upvotes

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Is it medically possible to, over time, replace all or most of my bones with titanium?

2 upvotes

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Do I feel pain exactly when I am injured or just before I am injured?

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How do mechanisms related to pain work?

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Does it take longer for the morbidly obese to starve?

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Would a woman be more likely to get pregnant if she was held upside down after sex?

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Could electrical stimulation allow you to exercise in your sleep?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
How can I tell apart different metals that are superficially similar at home?	5
Why do people seem to notice when you're looking at them when they can't actually see you?	3
What happens when isopropyl alcohol expires?	3
How does eyeglass lense compression work?	3
Is it medically possible to, over time, replace all or most of my bones with titanium?	2
Do I feel pain exactly when I am injured or just before I am injured?	2
How do mechanisms related to pain work?	2
Does it take longer for the morbidly obese to starve?	2
Would a woman be more likely to get pregnant if she was held upside down after sex?	2
Could electrical stimulation allow you to exercise in your sleep?	2