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[Daily puzzle] Light bulb problem
768 sats \ 15 comments \ @south_korea_ln 3 Nov 2024 science
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[FM] Talent Show Shakeup - @realBitcoinDog takes you to high school to cringe 😬
26.4k sats \ 107 comments \ @realBitcoinDog 30 Aug 2025 BooksAndArticles
I heat my 100 yr old home with Immersion Bitcoin Mining
46.8k sats \ 47 comments \ @NicoHeatingBTC 26 Mar 2024 bitcoin
Intercontinental energy grids. 🌎←♻️→🌍
218.3k sats \ 85 comments \ @mallardshead 11 Oct 2023 bitcoin
[Daily puzzle] Fill in the blanks
2368 sats \ 20 comments \ @south_korea_ln 29 Oct 2024 science
[Daily puzzle] Find area of white region
2026 sats \ 18 comments \ @south_korea_ln 10 Oct 2024 science
[Daily puzzle] Simple algebra problem.
1169 sats \ 17 comments \ @south_korea_ln 28 Oct 2024 science
How to choose how to accept bitcoin in the store?
14.2k sats \ 16 comments \ @hynek 31 Aug 2023 bitcoin
[Daily puzzle] Find the radius of the circle
1947 sats \ 26 comments \ @south_korea_ln 11 Oct 2024 science
The Pleb Economist #2: Politics is Provably Hard
17.4k sats \ 20 comments \ @SimpleStacker 14 Jan 2025 econ
[FM] - The Message
22.3k sats \ 15 comments \ @guerratotal 6 Aug 2025 BooksAndArticles
[Daily puzzle] Tricky system of equations
1119 sats \ 7 comments \ @south_korea_ln 5 Nov 2024 science
[Daily puzzle] Proving a curious equality
1061 sats \ 14 comments \ @south_korea_ln 27 Oct 2024 science
[Not-so-daily puzzle] Two envelope puzzle
921 sats \ 12 comments \ @south_korea_ln 25 Dec 2024 science
Three brothers each inherit an acre of land on their 18th birthday.
4222 sats \ 4 comments \ @TotallyHumanWriter 25 Jun 2025 FiresidePhilosophy
The Lightning Network explained ⚡️
8808 sats \ 13 comments \ @CarlBMenger 21 Sep 2023 bitcoin
[Not-so-daily puzzle] Which one is bigger?
908 sats \ 8 comments \ @south_korea_ln 20 Dec 2024 science
[Daily puzzle] A MSM puzzle
660 sats \ 11 comments \ @south_korea_ln 17 Oct 2024 science
[Daily puzzle] Magic product puzzle
681 sats \ 11 comments \ @south_korea_ln 15 Oct 2024 science
Fighting the Daily Grind #2
2354 sats \ 22 comments \ @cryotosensei 6 Feb 2024 BooksAndArticles freebie
[Not-so-daily puzzle] The Patoshi Key Challenge
755 sats \ 5 comments \ @south_korea_ln 16 Jan 2025 science
[Daily puzzle] The Calendar Conundrum
705 sats \ 12 comments \ @south_korea_ln 6 Nov 2024 science