Steem Japan コミュティーレポート 2026-01-31
Steem Japanのコミュニティーページから投稿しよう
今日のニュースAPIから (science)
Two twisty doughnut shapes solve a 150-year-old geometry puzzle - Boing Boing
Two doughnut-shaped surfaces look completely different but share identical measurements. It took 150 years to find them.
In 1867, French mathematician Pierre Ossian Bonnet proved something that seemed like common sense: if you know how far apart any two points on a surface are, and how the surface curves at every point… [+1206 chars]
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Steemitの仕組みや使い方などを日本語で説明しています
今日コミュニティー投稿してくれたメンバー (24h)
https://steemit.com/created/hive-161179
| ユーザー名 | STEEM | SBD | SP | PowerDown | |
|---|---|---|---|---|---|
| smallcub50 | 200.825 | 0 | 5,184.61 | - | |
| bigbear34 | 408.629 | 0 | 9,215.37 | - | |
| sean2masaaki | 1360.531 | 197.972 | 713,762.28 | - | |
| jini-zzang | 673.484 | 0.087 | 17,196.04 | - | |
| yasu.witness | 4.374 | 0.011 | 43,789.75 | - |




Upvoted! Thank you for supporting witness @jswit.
0.00 SBD,
2.46 STEEM,
2.46 SP