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SIGSALY: Churchill's Top Secret Hotline To The President
The Imperial War Museums explain SIGSALY, the scrambled voice system that let Churchill speak securely with Roosevelt from a hidden room in the Churchill War Rooms during the Second World War.
6 min · 1,269 words
The 28th CGPM adopts Resolution 5 on technical actions to keep Coordinated Universal Time continuous, addressing leap-second policy and the metrology work BIPM and partners must complete so civil timekeeping remains reliable worldwide.
4 min · 950 words
Modal Clusters are generally available
Modal announces general availability of Modal Clusters: multi-node GPU clusters with RDMA networking, gang scheduled from its shared capacity pool and billed by the second, enabled with a single @modal.clustered decorator for distributed training, post-training and large-scale inference.
6 min · 1,277 words
Thunderbird for iOS: A First Look at the Native iPhone Email App in Development
The Thunderbird team gives a first look at its native iOS email app, built from scratch rather than ported, covering design research, the foundations being laid for a fast cross-device experience with Thunderbird Desktop and Android, and how the community is shaping what ships after the first release.
2 min · 551 words
A Visual Intro to Complex Numbers
A visual, intuition-first tutorial on complex numbers: starting from an unsolvable system of equations, it builds up the imaginary unit as a 90-degree rotation, the complex plane, multiplication as rotation and scaling, Euler’s formula, and applications in AC circuits, signals, control and MRI.
16 min · 3,760 words
Minions: A Dynamic and Distributed Virtual GPU Cloud Built on Idle Apple Silicon Devices
Apple Machine Learning Research paper presenting Minions, a dynamic, distributed virtual GPU cloud that aggregates idle Apple Silicon GPUs across macOS devices to run large-scale ML inference with fault tolerance and efficient resource use, without new GPU procurement.
1 min · 141 words
Document Review With Unsiloed and TypeSafe Jev
Unsiloed AI and TypeSafe’s Jev show a document-review pipeline that pairs extraction with schema-validated checks so OCR-correct but semantically wrong values (like an extra zero) are caught before they flow downstream.
6 min · 1,330 words
AI Models Can Provably Hide Arbitrary Capabilities
A research paper arguing that AI models can provably hide arbitrary capabilities from evaluators under formal assumptions, with implications for AI safety evaluations, capability elicitation, and how we interpret benchmark and red-team results.
53 min · 12,294 words
Equality Saturation: An “Incomplete” Project
Max Willsey revisits equality saturation five years after the egg paper, surveying egglog, Slotted, Colored and Versioned E-Graphs, Cranelift's aegraphs and MLIR integrations, and arguing that giving up completeness has been a strength that enables flexibility, control and a growing research community.
8 min · 1,798 words
Across the Globe, People Increasingly Say Social Media Is Harming Democracy
A Pew Research Center report on surveys across many countries finds that the view that social media is bad for democracy has grown since 2022 in places like Germany and Japan. Most people say social media leads to manipulation and division, yet many also say it informs people and gives them a political voice, with views varying by age, education and platform use.
13 min · 3,004 words
How Machines Learned Precision
Gary Linscott's illustrated history of how Industrial Revolution workshops learned to make accurate machines without accurate machines to copy. It follows Maudslay's screw-cutting lathe, the three-plate method for flat surfaces, straight edges and lead screws, and Joseph Whitworth's measuring machine that could detect a millionth of an inch, through to gauge blocks.
29 min · 6,560 words
Introducing Strands Decider 2B: a small, open source, decision model
The Strands Agents team releases Strands Decider 2B, an open-source decision model built from a Qwen3.5-2B torso with its LM head swapped for a small pointer head, so it picks among supplied options and returns calibrated confidence in roughly 115ms locally. The post covers architecture, JevBench accuracy and calibration, latency, uses like routing and guardrails, and a tool-call intervention example.
7 min · 1,612 words
The Future of Research in the Age of AI
INRIA research scientist Pierre Marion sets out four working hypotheses about LLMs in math and computer science research, argues against both refusing LLMs and accelerating for its own sake, and sketches a middle path: use AI to multiply output while keeping skills sharp, verifying results formally, and putting training back at the heart of the PhD.
11 min · 2,464 words
From: anyone@icloud.com - Spoofing Arbitrary Apple iCloud Identities
SEC Consult's Timo Longin, known for SMTP smuggling, details two From-header smuggling flaws in Apple iCloud's email infrastructure (line-break parsing and dot-peeling) that allowed sending mail as arbitrary icloud.com addresses, plus detection and defense advice and the responsible disclosure timeline through Apple's fix.
16 min · 3,641 words
GitHub repository landing pages now show an accessibility tab, if provided
Eric Bailey describes his last official contribution at GitHub: repository landing pages now surface an ACCESSIBILITY.md accessibility statement in the same tab strip as the README, license, and security files, with tips on what to put in one and why it matters.
2 min · 408 words
On the escalation of war in EthiopiaThe coming proxy wars will be devastating for civilians and do little to improve governance and human welfare in Ethiopia and the wider Horn
Ken Opalo analyses renewed large-scale fighting in northern Ethiopia between the federal government and TPLF and Fano forces, arguing these are wars of choice driven by historical grievance and elite hubris, with outside powers turning them into proxy conflicts.
11 min · 2,440 words
Fernando Simões digs into when page tables stop being a rounding error: shared mappings across many processes, Linux kernel history from Arcangeli to Qi Zheng's empty-page-table fix, and the trade-offs of huge pages.
6 min · 1,309 words
The complement of true is true, except when it's false
Matthew Taylor digs into a C++26 bitmask-enum proposal and the surprising boolean-algebra edge cases around complements, truthiness, and what ‘all bits set’ really means in practice.
15 min · 3,463 words
What’s New at HeyGen: September 2026 Product Updates
September was built for developers. HeyGen shipped an open-source real-time avatar stack powered by GPT-Live-1, launched the Code2Video Benchmark for evaluating AI-generated motion graphics, and brought Professional Voice Clone to the API.
5 min · 1,154 words
New dashboard experience now the default
GitHub makes its redesigned dashboard the default view, focusing the home screen on work that needs attention across repositories and teams.
1 min · 171 words