Last Updated:2025/11/29

When the chemistry teacher lit the Pharaoh's serpent, we watched in horrified fascination as a black, branching snake of ash grew across the tabletop.

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When the chemistry teacher lit the Pharaoh's serpent, we watched in horrified fascination as a black, branching snake of ash grew across the tabletop.

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化学の先生が、膨張反応で灰を蛇状に生成する花火であるファラオの蛇(もともとは有毒なチオシアン酸水銀(II)で作られていた)に火をつけると、私たちは恐怖と興味が入り混じった気持ちで、卓上に黒く枝分かれする灰の蛇が伸びるのを見つめた。

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