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Business & Finance4 mins ago
F Word ....
4 Answers
Hey all!
Just watching the F word, and my better half just asked me, if a blind person is cutting onions, would it sting their eyes?
I think yes it would, because although they cant see, their eyes still have nerves and things!
Also think it is impressive, and great that someone blind can cook like that!
Ta!
Wiggal x
Just watching the F word, and my better half just asked me, if a blind person is cutting onions, would it sting their eyes?
I think yes it would, because although they cant see, their eyes still have nerves and things!
Also think it is impressive, and great that someone blind can cook like that!
Ta!
Wiggal x
Answers
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I quote...
"When you slice through an onion, you break open a number of onion cells. Some of these cells have enzymes inside of them, and when they are sliced open, the enzymes escape. The enzymes then decompose some of the other substances that have escaped from sliced cells. Some of these substances, amino acid sulfoxides, form sulfenic acids, which then quickly rearrange themselves into a volatile gas.
The gas reaches your eyes and reacts with the water that keeps them moist. This changes the chemical's form again, producing, among other things, a mild sulfuric acid, which irritates the eyes. The nerve endings in your eyes are very sensitive and so they pick up on this irritation (this is why our eyes sting when we slice onions). The brain reacts by telling your tear ducts to produce more water, to dilute the irritating acid so the eyes are protected. Your other reaction is probably to rub your eyes, but this will actually make the irritation a lot worse, of course, if you have onion juices all over your hands".
So I guess it would yes.
Does this count as intellectual input on the site?
"When you slice through an onion, you break open a number of onion cells. Some of these cells have enzymes inside of them, and when they are sliced open, the enzymes escape. The enzymes then decompose some of the other substances that have escaped from sliced cells. Some of these substances, amino acid sulfoxides, form sulfenic acids, which then quickly rearrange themselves into a volatile gas.
The gas reaches your eyes and reacts with the water that keeps them moist. This changes the chemical's form again, producing, among other things, a mild sulfuric acid, which irritates the eyes. The nerve endings in your eyes are very sensitive and so they pick up on this irritation (this is why our eyes sting when we slice onions). The brain reacts by telling your tear ducts to produce more water, to dilute the irritating acid so the eyes are protected. Your other reaction is probably to rub your eyes, but this will actually make the irritation a lot worse, of course, if you have onion juices all over your hands".
So I guess it would yes.
Does this count as intellectual input on the site?
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