OPPEI / OPPEY TUMBLER @oppei - Tumblr Blog

Interactive celestial maps connecting two observers across time and distance through shared stars

A far more detailed explanation of prompt caching than anyone asked for.

I design and build tools for data analysis, deep work, and decision-making.

kern.me

Taken to its logical conclusion, this line of thinking is absurd—and damning.

Laurent Le Brun's blog

yes, as in singular one. Back in April 2026 Anthropic caused a lot of media noise when they concluded that their new AI model Mythos is dang

CERN’s KiCad component library now open source – Home | CERN

This website explains the process of our development from 2012 to the present.

(Keypunch029 — for all your punched card font needs … – We Saw a Chicken …から)

We’ve heard this a lot, and we heard it a lot when we first implemented avatar limits on Quest standalone. The short version of why it doesn

A research essay on Neural Computer: how it differs from agents, world models, and conventional computers; what runtime and CNC would mean;

 groovisionsのデザイン・アーカイブをテーマごとに解説していく企画です。登場人物はgroovisionsのメンバー。第6回目はヘルベチカについて。ヘルベチカしか使わなかった伊藤　今回は、ほとんどヘルベチカ〈Helvetica〉しか使っていなかった頃の

This is the new XTEINK Color eInk device, designed for use as a color NFC ID tag or for wallpaper. Ultra small with a 2.5" display.

数週間にわたってコーディングエージェントを自律的に稼働させる実験を行ってきました。

OPPEI / OPPEY TUMBLER