@mhatta

A hacker wannabe from Japan. This account features my rants mainly in Japanese or English.

 東京都練馬区
about.me/mhatta
Joined April 2007
  • Tweets131K
  • Following1.9K
  • Followers6.4K
328Media
明治時代くらいまでの「あみだくじ」は放射状だった！その形が「平行な縦線」に変わったからこそ成功した、偶置換・奇置換の一意性の証明 gendai.media/articles/-/1722…

明治時代くらいまでの「あみだくじ」は放射状だった！その形が「平行な縦線」に変わったからこそ成功した、偶置換・奇置換の一意性の証明

あみだくじの歴史的変遷とその仕組み。室町から明治までのあみだくじは放射状で、現在の平行な縦線に変わったことで、偶置換と奇置換の一意性が証明された。この変化が成功の鍵であるとされ、数学の概念が具体的な事例を通じて解説されている。

gendai.media
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武部新農相の父が手掛ける「強固な外国人技能実習生利権ビジネス」 gendai.media/articles/-/1723…

武部新農相の父が手掛ける「強固な外国人技能実習生利権ビジネス」

自民党の武部新衆院議員（56歳）が農林水産大臣に就任した。父は元幹事長の武部勤氏（85歳）で、彼は外国人技能実習生の受け入れ事業を通じて利権を築いてきた。来年4月の制度変更を受け、武部新農相は農漁業分野の外国人受け入れ政策を主導し、家族のビジネスに影響を与える可能性がある。

gendai.media
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Meaning after an AI eucatastrophe meaningness.substack.com/p/m…
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Why using AI saves doctors time but won’t fix physician burnout theconversation.com/why-usin…

Why using AI saves doctors time but won’t fix physician burnout

AI can save physicians time, but time saved is not the same as burnout prevented. The fix is organizational.

theconversation.com
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The "let-it-rip" camp is wrong on AI economist.com/by-invitation/…

The “let-it-rip” camp is wrong on AI

They make four main arguments and all of them are flawed, write Bridgewater’s Nir Bar Dea and Greg Jensen

economist.com
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AI wasn’t overhyped. Almost everyone underestimated it. benjamintodd.substack.com/p/…
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GLM-5.3 Sometimes Considers How Train-Time Actions Shape Future Behavior — LessWrong lesswrong.com/posts/R5g8YT25…

GLM-5.3 Sometimes Considers How Train-Time Actions Shape Future Behavior — LessWrong

Authors: Axel Højmark*, Ezra Newman* (*Equal contribution) …

lesswrong.com
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These neurons control territorial claims - Edward Benson edwardbenson.com/tinkering/n…

These neurons control territorial claims - Edward Benson

Explore recorded changes in Qwen3.5-4B's territorial claims while steering 14 individual neurons. Compare the map, signed interventions, and full model responses.

edwardbenson.com
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Chinese research vessels loiter near Pacific undersea cables more than any other nation, report finds — civilian fleet using 'lawnmower' patterns may be mapping seafloor for future sabotage tomshardware.com/tech-indust…

Chinese research vessels loiter near Pacific undersea cables more than any other nation, report...

Another state mapping undersea infrastructure for potential military purposes

tomshardware.com
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ICE wants robot dogs. Boston Dynamics' workers urge company to 'cancel the sale' wbur.org/news/2026/10/23/bos…

ICE wants robot dogs. Boston Dynamics' workers urge company to 'cancel the sale'

Dozens of employees at Boston Dynamics have petitioned the company to stop the sale of its robot dogs to U.S. Immigration and Customs Enforcement.

wbur.org
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Knowledge graphs could help orgs respond to new laws | Lexifina lexifina.com/blog/knowledge-…

Knowledge graphs could help orgs respond to new laws | Lexifina

What a new EU regulation affects across firms of 120 to 120,000 matters: an agent reading files, Codex and Claude Code, and a knowledge graph. At 120,000 matters the graph found all 5,274 agreements...

lexifina.com
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AI Science vs. Human Science — Lacuna lacuna.tiptreesystems.com/pa…

AI Science vs. Human Science — Lacuna

I believe that the goal of science is to advance human understanding of the universe. This is the core thesis of William Thurston’s 1994 essay “On Proof…

lacuna.tiptreesystems.com
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大昔DOSのスクリーンセーバーで、光る点だけで夜の高速道路を表現するFreewayというのがあって好きだったのだが、ほぼバイブコーディングで似たようなものができてしまった。 mhatta.github.io/nightfreewa…
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俺はこういうグラフィックスとか苦手なので独力では到底無理だったな。良い時代になったものだ（わらい
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ChatGPTとGeminiで4倍差、AI検索を過信してはいけない理由 | Forbes JAPAN 公式サイト（フォーブス ジャパン） forbesjapan.com/articles/det…

ChatGPTとGeminiで4倍差、AI検索を過信してはいけない理由 | Forbes JAPAN 公式サイト（フォーブス ジャパン）

ChatGPTとGeminiはAI検索でよく使われる人気サービスの2大巨頭だが、その検索方法にはそれぞれに特徴がある。AIO対策事業などを展開するバクリは、その違いを銀行口座や預金に関する質問を使って検証した。すると、それぞれの相違点と類似...

forbesjapan.com
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Back in the DOS days there was a screensaver called Freeway that showed a highway at night using nothing but points of light, and I loved it. I managed to build something similar almost entirely by vibe coding. mhatta.github.io/nightfreewa…
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I’m terrible at graphics, so there’s no way I could have pulled this off on my own. What a time to be alive.
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“We should be more ambitious with the software we build” danluu.com/ambitious/
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People with psychosis and a history of aggression are more likely to mistake negative emotions for positive ones psypost.org/people-with-psyc…

People with psychosis and a history of aggression are more likely to mistake negative emotions for...

Misreading another person’s irritation or sadness as something positive could mean missing a cue to back off. A new study found this error was more common in people with psychotic disorders and a...

psypost.org
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The Hackening thezvi.substack.com/p/the-ha…
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