3M（スリーエム）のインスタグラム(3m) - 4月18日 00時00分

Sink or swim? 📎 How does this work? Surface tension! This force makes a layer of liquid act like an elastic sheet, holding the paper clip in the water. Try this quick and easy science experiment and see it for yourself! 😉

#ScienceAtHome #science #experiment

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する