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

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What would have happened if Felix had started the jump with his parachute already deployed?

6 upvotes

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If I had a screen that flashed black and white significantly faster than the human eye could see, is there a speed at which it would no longer appear to be flashing black and white but instead grey? Or will you always see individual frames?

3 upvotes

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If I fire a gun straight up into the air, will the projectile be lethal as it comes back down? What about a 45 degree angle? Is there a point at which air resistance affects the projectile enough to make it nonlethal, and at what point is that?

1 upvotes

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Is it humanly possible to breathe all or mostly into one lung?

0 upvotes

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
What would have happened if Felix had started the jump with his parachute already deployed?	6
If I had a screen that flashed black and white significantly faster than the human eye could see, is there a speed at which it would no longer appear to be flashing black and white but instead grey? Or will you always see individual frames?	3
If I fire a gun straight up into the air, will the projectile be lethal as it comes back down? What about a 45 degree angle? Is there a point at which air resistance affects the projectile enough to make it nonlethal, and at what point is that?	1
Is it humanly possible to breathe all or mostly into one lung?	0