| 1. | | Show HN: Kuboble.com – Minimalistic sliding pieces puzzle game (kuboble.com) |
| 437 points by kuboble on Feb 8, 2023 | 155 comments |
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| 2. | | Removing oil left behind in 2.5B gallons of produced water every day in U.S. (purdue.edu) |
| 136 points by howard941 on March 22, 2019 | 45 comments |
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| 3. | | Ask HN: Which abandoned proprietary software would you resurrect? |
| 478 points by geff82 on Dec 8, 2018 | 807 comments |
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| 4. | | To Survive in Tough Times, Restaurants Turn to Data-Mining (nytimes.com) |
| 96 points by mcone on Aug 28, 2017 | 61 comments |
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