You’re standing at a city bus stop, waiting for a bus to arrive. You wait and you wait. There’s supposed to be a bus every 10 minutes, but you haven’t seen one for at least 20 minutes. Finally, a bus arrives. It’s full of people. Just as you try to squeeze yourself in, you spot another bus coming down the street, and another one behind it!
What’s going on? Why do buses always seem to come in bunches instead of at regular intervals?
この記事は Muse Science Magazine for Kids の February 2020 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
すでに購読者です ? サインイン
この記事は Muse Science Magazine for Kids の February 2020 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
すでに購読者です? サインイン
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