“日本航天员土井隆雄在完成日本‘希望’号实验舱的安装任务后,还第一次试扔了‘飞去来器’,正如期待的那样,‘飞去来器’在零重力条件下仍然飞回到他的手边。”这是上一期的“天宇来风”栏目中我们刊登的一则消息。在读者的反馈信中,有许多人关心地询问什么是“飞去来器”及其制作和飞行的基本原理。鉴于此,我们特意在这里做一个详细的回复和答疑。 “Astronaut Takashi Doi also completed the first installation of the ’Hope’ test capsule in Japan, throwing a ’fly-in’ device for the first time. As expected, the ’fly-in’ The next still fly back to his hand. ”“ This is the last issue of ”Sky Wind“ column we published a message. In the reader’s feedback letter, many are asking with concern what is the ”fly-in" and its rationale for making and flying. In view of this, we specifically here to do a detailed reply and Q & A.