Sakura's Schoolhouse

Today's after-school science class on gravity will include this really awesome demonstration. No tricks, just science!
今日の理科教室のテーマは「重力」。ボール型チェーンを使ってこんな実験もやります。タネも仕掛けもありません！
https://www.youtube.com/watch?v=jgz9CN2EBBY

Dropping 100ft of ball chain off a 40ft tower (slow motion). Ball chain is often used on ceiling fans and hanging lights for pull switches. This is 100 feet of ball chain dropping off a 40 foot tall tower. The chain ge...

Today was such a nice day we had to bring this guy out to discuss Bernoulli's Principle (and no kidding it's a great fun!)
ベルヌーイの法則について実習、という建前ででかバルーン登場！理屈抜きで楽しむ娘。