/u/F1FO's posts in /r/askscience

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Why is beach sand not usually black or grey?

35 upvotes

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What causes a razor blade to lose its sharpness?

14 upvotes

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What is the optimum shape for an ice cube to cool a glass of water?

6 upvotes

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What is the optimum amount of water to drink with a 500g meal before the ability to digest it is hampered?

1 upvotes

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Which is the greater store of energy, a full box of matches or an AA battery?

1 upvotes

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What's the largest creature that isn't symmetrical in its outward appearance?

1 upvotes

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What is the heaviest theoretical weight that 100 meters of spider silk can support?

1 upvotes

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What is the maximum number of links you can have in a metal chain before the weight of itself makes it impossible for it to support its own weight from one end?

1 upvotes

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What is the most common colour used by life on earth?

1 upvotes

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Is there any nutritional benefit to swallowing your own phlegm rather than spitting it out?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why is beach sand not usually black or grey?	35
What causes a razor blade to lose its sharpness?	14
What is the optimum shape for an ice cube to cool a glass of water?	6
What is the optimum amount of water to drink with a 500g meal before the ability to digest it is hampered?	1
Which is the greater store of energy, a full box of matches or an AA battery?	1
What's the largest creature that isn't symmetrical in its outward appearance?	1
What is the heaviest theoretical weight that 100 meters of spider silk can support?	1
What is the maximum number of links you can have in a metal chain before the weight of itself makes it impossible for it to support its own weight from one end?	1
What is the most common colour used by life on earth?	1
Is there any nutritional benefit to swallowing your own phlegm rather than spitting it out?	1