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What scientific discovery seemed useless at first but later turned out to be very important?
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什么科学发现起初看似无用，但后来证明非常重要？
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Ranking history & source details
First recorded Sep 17, 2026, 12:05 PM CST · latest Sep 24, 2026, 10:02 PM CST. Ranks reflect attention on each platform.
| Day | Platform | Best rank | Last rank |
|---|---|---|---|
| 2026-09-24 | Zhihu Daily | #30 | #30 |
| 2026-09-23 | Zhihu Daily | #26 | #26 |
| 2026-09-22 | Zhihu Daily | #22 | #22 |
| 2026-09-21 | Zhihu Daily | #15 | #15 |
| 2026-09-20 | Zhihu Daily | #15 | #15 |
| 2026-09-19 | Zhihu Daily | #12 | #12 |
| 2026-09-18 | Zhihu Daily | #9 | #9 |
| 2026-09-17 | Zhihu Daily | #6 | #6 |