New top story on Hacker News: Swapping SIM cards used to be easy, and then came eSIM on December 29, 2025 Hacker News
New top story on Hacker News: CO2 Batteries That Store Grid Energy Take Off Globally on December 21, 2025 Get link Facebook X Pinterest Email Other Apps CO2 Batteries That Store Grid Energy Take Off Globally 23 by rbanffy | 11 comments on Hacker News. Comments
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