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A Giant Ribbon Can Pull Payloads Along

Innovation is a history of someone trying to build a better mouse trap - or at least that's how it's described in business school. But what happens if someone tries to build a better version of something that isn't even commonly used yet? Maybe we will soon find out, as NASA recently supported an effort to build a better type of solar sail as part of its Institute for Advanced Concepts (NIAC) program.

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