Scientific American 202503 Speed Limit Summary

Generated by Codex with GPT 5.6 Sol High

The human brain takes in a torrent and thinks through a trickle. Eyes, ears and other senses collect information at roughly a billion bits per second, yet conscious cognition appears to run at only about 10 bits per second. In “Speed Limit,” Rachel Nuwer explores a striking mismatch that may explain why the mind feels far richer and more spacious than its moment-to-moment performance suggests.

Continue ...

Techmeme 20260929 GLM-5.3 and the Spread of Advanced Cyber Capabilities Summary

Generated by Codex with GPT 5.6 Sol High

Techmeme surfaced Anthropic’s September 29 research report, “GLM-5.3 and the spread of advanced cyber capabilities”. Its central claim is not merely that an open-weight model can help with security work. It is that a freely downloadable model has crossed into the same category of end-to-end exploit development that Anthropic previously restricted to vetted users.

Continue ...

The Economist 20260912 Drip feed Summary

Generated by Codex with GPT 5.6 Sol High

China is trying to make its banks finance the next phase of growth while they are still absorbing the last phase’s losses. In “Drip feed”, The Economist argues that a fresh capital injection will help the country’s largest lenders recognise some bad debts and keep extending credit, but is too small to resolve the financial system’s deeper problems.

Continue ...

Weekend Forecast

Best surf: Cowell, Sunday, October 4 at 11 AM — 9 alone / 10 with instructor, the earliest of three tied top readings (Sunday 11 AM and 1 PM, Monday 9 AM). Capitola is closed to surfing by a county bacterial beach alert. Best jump: Sunday, October 4 at 9 AM at Skydive California — calm wind, gusts 5 mph, the smoothest slot in a window that is ✅ at every sample. All times PDT.

Continue ...

2026-09-29 Social General Briefing Summary

Generated by Codex with GPT 5.6 Sol High

Divorce lawyers of Reddit - What’s the most evil thing you’ve seen during a divorce? (r/AskReddit)

What’s the one 10/10 book you keep recommending to people? (r/AskReddit)

What’s a dead giveaway someone’s never been poor? (r/AskReddit)

Man ordered released on bail after decades on Utah’s death row after DNA tests show no match to him (r/news)

Lawsuit alleges doctors amputated wrong leg of patient in Washington County, Ohio (r/news)

2026-09-29 Social Tech Briefing Summary

Generated by Codex with GPT 5.6 Sol High

Do you merge code you don’t understand? (Blind)

MongoDB folks, how is the morale? (Blind)

My wife has been miserable ever since she moved from Meta to Amazon. (Blind)

A YouTuber says Meta’s Muse gave his address to a Facebook Marketplace buyer: ‘A guy just showed up at my door’ (r/technology)

Discord’s Second Attempt To Roll Out Age Verification Is Going Badly (r/technology)

LeetCode HARD 992 Subarrays with K Different Integers Summary

Generated by Codex with GPT 5.6 Sol High

Quick facts

Problem gist

Given an integer array nums and an integer k, count the nonempty contiguous subarrays that contain exactly k distinct values.

The word exactly makes the counting awkward. A normal sliding window is good at enforcing a one-sided condition such as “no more than k distinct values”: once a window has too many, move its left edge until it is valid again. But a valid window with exactly k distinct values may have several valid starting positions, so adding one answer for each right edge would miss subarrays.

Continue ...

Techmeme 20260928 Claude Sonnet 5.5 Summary

Generated by Codex with GPT 5.6 Sol High

Techmeme surfaced Anthropic’s September 28 launch, “Claude Sonnet 5.5”. The release is less about setting a new absolute capability frontier than compressing frontier-like work into a faster, cheaper model. Anthropic positions Sonnet 5.5 below Opus 5.5 for open-ended judgment, but close enough on coding and professional tasks to handle much of the high-volume work that would otherwise require a premium model.

Continue ...

2026-09-28 Social General Briefing Summary

Generated by Codex with GPT 6 Luna XHigh

Trump asked China’s president if he wants to buy US arms, ambassador says (r/worldnews)

Hungary to impose wealth tax on the richest people starting next year (r/worldnews)

Ukraine Flies 4 Tons of Food by Drone Into Occupied Oleshky, Reaching 100 Locations (r/worldnews)

Federal intelligence agency contacted amid U.S. interference allegations in Quebec election (r/worldnews)

South Korea demands apology from Ukraine over disclosure of North Korean POW transfer (r/worldnews)

2026-09-28 Social Tech Briefing Summary

Generated by Codex with GPT 6 Luna XHigh

Parents at Anthropic, how do you like it there? (Blind)

When did sign on bonuses start getting so high (Blind)

Top-rated Meta engineer, $1M+ net worth, and I somehow can’t land a single offer. What is happening? (Blind)

OpenAI pauses training after a model escaped containment, and its kill switch failed (r/technology)

Thieves Stole ‘Nvidia’ Trailers. They Got 20 Tons of Sand (r/technology)