世界一受けたい授業|ランドセルの隠された工夫・秘密!昔から変わらないモノとは?

※世界一受けたい授業 2014年1月25日放送分より

街で見つけたナゾ図鑑
生活を便利にする工夫を解明!

実はあまり知られていないが、
街中には我々が便利に暮らせるように、
見えない工夫が溢れている。

その秘密を楽しく教えてくれるのが、
東北芸術工科大学・教授である、
志村直愛先生

前回は「教室で見つけたナゾ図鑑」の記事に掲載。

昔から変わらない
ランドセルの驚きの工夫

ランドセルは最近では、
様々な色やデザインの物が出来ている。

しかし、
ある部分だけは、
昔から全然変わっていないのである。

それはランドセルの厚さである。

沢山の教材が入るようにという、
理由の他にも、
実は後ろに転んでも、
後頭部を打たずに済むという、
緩衝材の役割がある。

実際に試してみると、
ランドセルを背負った状態では、
エビ反りをしたとしても、
後ろに倒れても後頭部は地面につかなかった。

続きは「高速道路で見つけたナゾ図鑑」の記事に掲載。

レビュー

当然のように、
小学生の時に扱っていたランドセル。

裏には、
怪我を防止する理由があったそうです。

そう考えると、
日本の小学生が皆、
ランドセル登校を義務付けられているのは、
納得できますね。

子供たちの安全を守る為に、
長年愛用されているスクールアイテムという事です。

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