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No.412　13/04/30 04:41
燻し銀三 ( 50代 ♂ Oe38xe ) あ+あ-

【How have the big atoms been generated?】

《A supernova's explosion》

In short,both the big atoms and little ones are among the fix stars which twinkle in the night sky,they have been generated in dazzling energy.🔥

Those atoms drifted across a long distance such as thousands of light years 光年,and crowded together.They became a planet.It's the earth.🌏

Both molecules and organic matters were generated,and they changed into creature like we the humankind finally.Possibly,the radioactivity may be essence of the creature😃

【Critcality 臨界 again】

Some people may have been concerned about criticality broke out again at the nuclear plant in Fukushima prefecture.By the way,what is the criticality?😚

In a word,the criticality is a reaction of nuclear fission continues voluntarily,so a nuclear reactor which is operating is a situation of the criticality.☀