Friday, September 23, 2011

Segmen tahukah anda? - Cara buat air mata...

Why do onions make us cry?

Let’s look at it from the point of view of the onion. An onion is perfectly polite to us until we start hacking at it with a knife. Alas, the act of cutting enlivens a gas, propanethiol S-oxide, which works in tandem with the enzymes in the onion to unleash a passive sulphur compound found within the onion. The result : as you cut, the gas moves upward and. Combined with the water in your eyes, creates sulphuric acid.

Your eyes aren’t happy, even if you are, and react in the only way they know how when irritated by a foreign substance – they start tearing. Rubbing your eyes with your hands is about the worst way to alleviate the problem, since your hands are likely full of the tear-including agent too.

We’re heard all kinds of folk remedies for onion tears, ranging from rubbing the onion with lemon to wearing gloves as you cut to donning scuba living masks while performing surgery. But we’re of the old school: no pain, no gain.

Sumber Buku : Reader's Digest. "Imponderables"

*Sesiapa nak cuba menanggis olok-olok, leh guna bawang. Mungkin dalam filem pun guna cara ni kot? hehehehe..

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