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Lottie 2022-02-07 14:58:27
What do you want to do when you grow up, want to be a scientist
At least when I was growing up, almost every little friend's childhood was asked a question in class by the teacher, "What do you want to be when you grow up". Some answers are given by books, such as this typical answer from a scientist. The era needs technology, so the need for book dissemination...
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Danielle 2022-02-07 14:58:27
America's Hubble Telescope
Documentaries like the Hubble Telescope will hardly be criticized. This is not like an emotional film. Everyone experiences and feels the characters in the play according to their different experiences, and gets different insights. In front of this film, we are all the same, because it is too...

John M. Grunsfeld
Extended Reading