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Not only plasma but also liquid crystal is regarded as the fourth-state of matter.
We should pay attention that plasma under magnetism ( or geomagnetism ) behaves like liquid.
I’ve remembered that the ending of this symphony was played in the closing ceremony of the Olympics held at Los Angeles in 1984 ( according to George.Orwell, 『1984』≒「2 + 2 = 5」≒ 「田」).