越是伟大的事业，越要坚持实事求是。
"But by proving the technology it really opens the door for an economically viable product, where things can be made in space and return to Earth and have use and benefit to everybody on Earth. And that's really exciting."
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"It would be nice for people to still carry on doing [manufacturing], rather than get just some robot, like they do in Japan, just to assemble it all, because it's the human touch," he said.
5. You always need to understand the JavaScript layer
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