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

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What causes the smoke cloud around a railgun's barrel if it doesn't use gunpowder or explosive propellant?

28 upvotes

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Is there/could there be a replacement for GPS that does not rely on satellites?

1 upvotes

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Can man live on bread and water alone? (With appropriate vitamins and other supplements?)

1 upvotes

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What is the pattern I see when looking at tinted windows while looking through polarized lenses?

1 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What causes the smoke cloud around a railgun's barrel if it doesn't use gunpowder or explosive propellant?	28
Is there/could there be a replacement for GPS that does not rely on satellites?	1
Can man live on bread and water alone? (With appropriate vitamins and other supplements?)	1
What is the pattern I see when looking at tinted windows while looking through polarized lenses?	1