via https://t.co/dCZvREV3Di “norimochi-da: “息子「おとーさん、なんで髪の毛に水つけると寝ぐせ直るの?」 俺「髪の毛はアミド結合をもつ高分子の1種で、水分を吸収することでガラス転移点が下がって一時的にゴム性質をもつの…” https://t.co/J38VZs9rVZ



from Twitter https://twitter.com/itarunozaki

August 25, 2020 at 06:32PM
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