「バナナの皮の真実を解明する：どれほど滑りやすいのか？」

"Unpeeling the Truth: Just How Slippery is a Banana Peel?"

バナナの皮が本当に滑る理由を科学的に解説します。ムシンという粘液が水分を吸収し、滑らかな表面を作り出す仕組みや、意外にもメロンやスイカの皮がバナナより滑りやすい事実に迫ります。

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"Is a banana peel really slippery?"

The inside of a banana peel has tiny structures called "vesicles," which contain a liquid called mucin. This mucin changes into a gel-like substance when it absorbs water, creating a very smooth surface. When someone steps on the peel, the vesicles break, and the mucin is released, providing a lubricating effect on the ground. As a result, the friction coefficient, which measures slipperiness, becomes 0.066, the same level as skis sliding on snow. The humorous image of slipping on a banana peel became popular from Charlie Chaplin's movie in 1915. However, here is an unexpected fact: it has been discovered that melon and watermelon peels are actually much more slippery than banana peels.

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by F_chika
作成:2024/12/10 10:41
レベル:中級 (語彙目安:2000〜2500語)

# 「バナナの皮の真実を解明する：どれほど滑りやすいのか？」
## "Unpeeling the Truth: Just How Slippery is a Banana Peel?"

![thumbnail](https://eigobox.s3.ap-northeast-1.amazonaws.com/g/6ffce86a69729d9084977743a141e2b7aaa6cff5.png)

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"Is a banana peel really slippery?"  
The inside of a banana peel has tiny structures called "vesicles," which contain a liquid called mucin. This mucin changes into a gel-like substance when it absorbs water, creating a very smooth surface. When someone steps on the peel, the vesicles break, and the mucin is released, providing a lubricating effect on the ground. As a result, the friction coefficient, which measures slipperiness, becomes 0.066, the same level as skis sliding on snow. The humorous image of slipping on a banana peel became popular from Charlie Chaplin's movie in 1915. However, here is an unexpected fact: it has been discovered that melon and watermelon peels are actually much more slippery than banana peels.

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「バナナの皮って本当に滑るの？」  
バナナの皮の内側には「小胞」というミクロの構造があり、そこにはムシンと呼ばれる粘液が詰まっています。このムシン、なんと水分を含むとゲル状に変化し、極めて滑らかな表面を作り出すのです。そして、皮を踏んだ瞬間、小胞が破壊されてムシンが飛び出し、接地面に潤滑効果をもたらします。その結果、滑りやすさを表す摩擦係数はスキー板が雪の上を滑るのと同じレベルの0.066になります。バナナの皮で滑るというコミカルなイメージは、1915年のチャールズ・チャップリンの映画で広まったものです。しかし、ここで意外な事実をひとつ。実際には、メロンやスイカの皮の方が、バナナよりも遥かに滑りやすいことが判明しています。

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