The new technology is the work of a researcher and his colleagues who developed a way to print ultrathin, semitransparent and flexible cells on plastic, cloth and other materials.
How it works: Photons strike an immense sail of ultrathin material.
工作原理：光子击打在一张用超薄材料制作的巨大的帆上。
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Such is the allure of solar sails—large, ultrathin mirrors that harness the faint pressure of the sun's reflected light to move through the vacuum of space.