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

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Why do airplanes need to fly so high?

19450 upvotes

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Why can you eat meats like beef and seafood raw/undercooked but not chicken?

251 upvotes

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How can receipt paper be able to leave a "pencil like mark" when you score it with your nail?

44 upvotes

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What is dust and where does it come from?

13 upvotes

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How do websites check to see how secure your password is?

6 upvotes

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How do bridge constructors create the frame for a bridge that hangs over like a valley, without supports?

5 upvotes

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Why is snow white and not any other colour?

3 upvotes

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Why do cars/planes/trains make a whoosh sound when they go at high speeds, but runners, skiers, cyclists etc don't make a sound when they're going (equally as) fast?

2 upvotes

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How do birds not electrocuted when they sit on power lines?

2 upvotes

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How am I able to open my eyes underwater with out them burning from the chlorine?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Why do airplanes need to fly so high?	19450
Why can you eat meats like beef and seafood raw/undercooked but not chicken?	251
How can receipt paper be able to leave a "pencil like mark" when you score it with your nail?	44
What is dust and where does it come from?	13
How do websites check to see how secure your password is?	6
How do bridge constructors create the frame for a bridge that hangs over like a valley, without supports?	5
Why is snow white and not any other colour?	3
Why do cars/planes/trains make a whoosh sound when they go at high speeds, but runners, skiers, cyclists etc don't make a sound when they're going (equally as) fast?	2
How do birds not electrocuted when they sit on power lines?	2
How am I able to open my eyes underwater with out them burning from the chlorine?	1