スコット・ケリーのインスタグラム(stationcdrkelly) - 11月17日 09時35分

How did my food stay on my spoon in space? Surface tension. Demonstrating surface tension of water with this future astronaut in training. Thanks for coming to my book signing @Costco here in #Seattle today! Good luck on your #StarJourney!

[BIHAKUEN]UVシールド(UVShield)

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