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1.
Show HN: Physical Pomodoro Timer with ESP32 and e-paper screen (github.com/rukenshia)
315 points by rukenshia 8 months ago | 68 comments
2.
China's ancient water pipe networks show no evidence of a centralized authority (phys.org)
232 points by Stratoscope on Sept 7, 2023 | 174 comments

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