pERfect ligHt

Friday, July 4, 2008



Have you ever touched an electric light bulb that has been on for a while, you know that it can get very hot. The heat produced by the bulb results from wasted energy. A typical light bulb gives off only 10 percent of its energy as light, while 90 percent is wasted as heat. In comparison, the tiny-producing insect called the firefly is nearly 100 percent efficient.

Fireflies waste so little energy as heat that the light they produce has been termed "Perfect Light." How do they do it? The abdomen of a firefly contains an organic substance known as luciferin. When oxygen is drawn into the abdomen through a tube called the abdominal trachea, it mixes with luciferin, and the resulting chemical reaction gives off a pale-yellow to reddish-green glow. The cells that produce the firefly's light also contain uric-acid crystals, which help to reflect the light away from the insect's abdomen. Scientists say that fireflies use their light to attract mates and that different species of fireflies flash different patterns and rhythms.

I've always been fascinated with the beauty of fireflies or anniniput, isn't it obvious..LOL! Though their just so tiny, but they can leave us all in owe everytime we see even just a single firefly. Oh I love to hold one someday...*sigh*

source: AWAKE!

2 comments:

Enday said...

hmm..

cute po talaga ang alitaptap.

maliit lang sya and madaling mamatay, madami nyan sa province ko, sa laguna. and ang ganda nyang tignan pag gabi. haaay...

eunice said...

I like fireflies, they are amazing! They glow so brightly in the dark, and when they fly around, it's beautiful!

~eunice~
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