Making the stuff of science fiction into reality, NASA engineers are testing solar sails — a unique propulsion technology that one day could enable deep space missions.
Essaidi said that the project was making science fiction a reality, even if the tests results were not yet perfect.
埃萨迪说,这个项目把科幻小说变成了现实,尽管测试结果尚不完美。
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By now, you should have guessed that intro is nothing more than a fiction, with its sole purpose of making this optical illusion little more interesting.