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The Tokio/Rayon Trap and Why Async/Await Fails Concurrency
🚨 Async/Await Concurrency Concerns
The Tokio/Rayon trap highlights how Async/Await can complicate concurrency, making it harder to manage efficient parallel processing. Practically, this matters because it directly impacts the performance and scalability of applications relying on concurrent execution. By understanding these challenges, developers can better design and optimize their concurrent systems.
8:05 am, July 16, 2026
guid
https://news.ycombinator.com/item?id=48929587
source_url
https://pmbanugo.me/blog/why-async-await-complect-concurrency
author_name
LAC-Tech
id: 4865
uid: Gfy6g
insdate: 2026-07-16 08:05:32
title: The Tokio/Rayon Trap and Why Async/Await Fails Concurrency
additional:
The Tokio/Rayon trap highlights how Async/Await can complicate concurrency, making it harder to manage efficient parallel processing. Practically, this matters because it directly impacts the performance and scalability of applications relying on concurrent execution. By understanding these challenges, developers can better design and optimize their concurrent systems.
category: Hacker News
md5:
guid: https://news.ycombinator.com/item?id=48929587
source_url: https://pmbanugo.me/blog/why-async-await-complect-concurrency
updated:
image:
author_name: LAC-Tech
author_link:
uid: Gfy6g
insdate: 2026-07-16 08:05:32
title: The Tokio/Rayon Trap and Why Async/Await Fails Concurrency
additional:
🚨 Async/Await Concurrency Concerns
The Tokio/Rayon trap highlights how Async/Await can complicate concurrency, making it harder to manage efficient parallel processing. Practically, this matters because it directly impacts the performance and scalability of applications relying on concurrent execution. By understanding these challenges, developers can better design and optimize their concurrent systems.
category: Hacker News
md5:
guid: https://news.ycombinator.com/item?id=48929587
source_url: https://pmbanugo.me/blog/why-async-await-complect-concurrency
updated:
image:
author_name: LAC-Tech
author_link:
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- Anthropic Drops Flagship Safety Pledge
- Anthropic Is Preparing for IPO and We Should Be Worried
- Anthropic Subprocessor Changes
- Anthropic appears to be A/B testing reduced effort levels in Claude Code
- Anthropic co-founder to present AI encyclical alongside Pope Leo XIV
- Anthropic confidentially submits draft S-1 to the SEC
- Anthropic ditches its core safety promise
- Anthropic expands partnership with Google and Broadcom for next-gen compute
- Anthropic is expanding to Colossus2. Will use GB200
- Anthropic raises $65B in Series H funding at $965B post-money valuation
- Anthropic says OpenClaw-style Claude CLI usage is allowed again
- Anthropic says company 'cannot in good conscience accede' to Pentagon's demands
- Anthropic surpasses OpenAI to become most valuable AI startup
- Anthropic takes $5B from Amazon and pledges $100B in cloud spending in return
- Anthropic's "Profitability" Swindle
- Anthropic's Model Naming, Extrapolated
- Anthropic's Safety Superpower
- Anthropic's open-source framework for AI-powered vulnerability discovery
- Anthropic, please make a new Slack
- Anthropic, please ship an official Claude Desktop for Linux
- Anthropic/OpenAI may be spending more than $1000 for every $100 you pay them
- Anthropomorphism in Children's Interactions with LLM Chatbots
- Anti-social: It's fads, not friends, which now dominate social media feeds
- Antigravity 2.0 Tops the OpenSCAD Architectural 3D LLM Benchmark
- Any text-to-SQL benchmark should address difficulties of real-world data stores
- Anyone can build a platform now. Almost nobody can get people to find it
- Ape Coding
- Ape Coding [fiction]
- Apertus – Open Foundation Model for Sovereign AI
- Apex Protocol – An open MCP-based standard for AI agent trading
- Apideck CLI – An AI-agent interface with much lower context consumption than MCP
- App Store Rejection of the Week: Dark Hours
- Apparently Google hates us now
- Apple AI servers unused in warehouses due to low Apple Intelligence usage
- Apple App Store threatened to remove Grok over deepfakes: Letter
- Apple CMF (Color-Matching Functions) 2026
- Apple Core AI Framework
- Apple Foundation Models
- Apple Introduces New Mac Studio with M5 Max and M5 Ultra
- Apple Mac Studio M5 Ultra with 1.2TB/S Memory Bandwidth
- Apple Needs to Copy Samsung's New Security Smartphone Screen ASAP
- Apple Says Mac Studio and Mac Mini Will Be in Short Supply for Months
- Apple Silicon and Virtual Machines: Beating the 2 VM Limit (2023)
- Apple Silicon costs more than OpenRouter
- Apple WWDC 2026 Livestream
- Apple accelerates eco progress with highest-ever recycled materials
- Apple accidentally left Claude.md files Apple Support app
- Apple announces significant price increases for MacBooks, iPads, more
- Apple approves driver that lets Nvidia eGPUs work with Arm Macs
- Apple bets cheaper AI will woo small developers
- Apple boss Tim Cook says prices to rise due to memory chip costs
- Apple decided not to roll out Siri in EU after denied request for exemption
- Apple didn't revolutionize power supplies; new transistors did (2012)
- Apple discontinues the Mac Pro
- Apple fixes bug that cops used to extract deleted chat messages from iPhones
- Apple has decided to compete for creativity app users
- Apple ignores DMA interoperability requests and contradicts own documentation
- Apple introduces M6 and M5 Ultra for a big leap in performance and AI compute
- Apple introduces the new iPad Air, powered by M4
- Apple is about to make Hide My Email useless
- Apple is getting this wrong
- Apple is going to raise device prices, but when?
- Apple randomly closes bug reports unless you "verify" the bug remains unfixed
- Apple rejected my dictation app for using the accessibility API
- Apple reveals new AI architecture built around Google Gemini models
- Apple says no one using Lockdown Mode has been hacked with spyware
- Apple sues OpenAI, accuses ex-employees of stealing trade secrets
- Apple targets dozens of OpenAI employees with legal letters
- Apple to increase spend with Broadcom to produce billions more U.S. chips
- Apple's 512GB Mac Studio vanishes, a quiet acknowledgment of the RAM shortage
- Apple's AI Can Now Change Your Passwords. What Could Possibly Go Wrong?
- Apple's MacBook Neo makes repairs easier and cheaper than other MacBooks
- Apple's accidental moat: How the "AI Loser" may end up winning
- Apple, Intel have reached preliminary chip-making deal
- Apple: Embarrassingly Simple Self-Distillation Improves Code Generation
- Applying Brevity and Language Efficiency in Prompt Engineering
- Applying a photosynthetic process to treat “dry eye”
- Approximating Hyperbolic Tangent
- April 2026 TLDR Setup for Ollama and Gemma 4 26B on a Mac mini
- ArXiv Declares Independence from Cornell
- ArXiv's Next Chapter
- Arc Prize Foundation (YC W26) Is Hiring a Platform Engineer for ARC-AGI-4
- Arch Linux Now Believes Malware Incident Under Control: More Than 1,500 Packages
- Arch Linux Now Has a Bit-for-Bit Reproducible Docker Image
- Architecture Description Languages [pdf]
- Are AI Labs Pelicanmaxxing?
- Are LLMs not getting better?
- Are insecure code completions in PyCharm a vulnerability?
- Are the Mysteries of Quantum Mechanics Beginning to Dissolve?
- Are we offloading too much of our thinking to AI?
- Arena AI Model ELO History
- Arm AGI CPU
- Arm's Cortex X925: Reaching Desktop Performance
- Armstrong Effect
- Around 200 Stanford students walk out as Google CEO takes stage
- Ars Astronomica – English translations of rare Hebrew and Latin astronomy texts
- Ars Technica Fires Reporter After AI Controversy Involving Fabricated Quotes
- Ars Technica fires reporter after AI controversy involving fabricated quotes
- Ars Technica: Our newsroom AI policy
- Art Bits from HyperCard
- Artemis II Fault Tolerance
- Artemis II and the invisible hazard on the way to the Moon
- Artemis II is not safe to fly
- Artemis II safely splashes down
- Artie (YC S23) Is Hiring Software Engineers
- Artificial intelligence is not conscious – Ted Chiang
- Artificial-life: A simple (300 lines of code) reproduction of Computational Life
- As AI eats the web, the internet’s collective memory is disappearing
- As a result of a US Government directive, we are suspending access to Fable 5
- As downtown Seattle offices empty, city facing years of 'zombie' towers
- Asahi Linux 7.1 Progress Report
- Asahi Linux Progress Linux 7.0
- Asahi Linux Progress Report: Linux 7.2
- Ascending into the Realm of Japanese Charts
- Ashby (YC W19) Is Hiring EMEA Engineers Who Can Design
- Ashby (YC W19) Is Hiring Engineers Who Make Product Decisions
- Asian AI startups launch Mythos-like models
- Ask ChatGPT to pick a number from 1-10000, it generally selects from 7200-7500
- Ask HN: Academic study on AI's impact on software development – want to join?
- Ask HN: Add flag for AI-generated articles
- Ask HN: Anthropic banned me from using Claude Code and I don't know what to do
- Ask HN: Any AWS billing issues known? Amazon forecast of 3 billion dollars
- Ask HN: Apple terminated our dev account over a rogue employee
- Ask HN: Are most corporate SWE jobs performative?
- Ask HN: Due to spam on GitHub, what platforms can I move my projects?
- Ask HN: European Tech Alternatives?
- Ask HN: Good content on using AI to modernize professional services delivery
- Ask HN: Have top AI research institutions just given up on the idea of safety?
- Ask HN: How are you all staying sane?
- Ask HN: How did you land your first projects as a solo engineer/consultant?
- Ask HN: How do you handle marketing as a solo technical founder?
- Ask HN: How is AI-assisted coding going for you professionally?
- Ask HN: How to Be Alone?
- Ask HN: How to be SOC2 Type 2 compliant as a solo-entreprenuer?
- Ask HN: Is "no source code was copied" still a sufficient copyright defense?
- Ask HN: Is GitHub preparing to go behind a login wall?
- Ask HN: Is anyone experimenting with different ways of using LLMs for coding?
- Ask HN: Is anyone working at least 4 hours daily on an Apple Vision Pro?
- Ask HN: Is it just me, or is software buggier across the board?
- Ask HN: My ISP is telling my neighbors their slow internet is because of me
- Ask HN: Please restrict new accounts from posting
- Ask HN: Remember Fidonet?
- Ask HN: Share your productive usage of OpenClaw
- Ask HN: So what happened to Facebook "localhost" tracking?
- Ask HN: What Are You Working On? (July 2026)
- Ask HN: What Are You Working On? (March 2026)
- Ask HN: What are you working on? (August 2026)
- Ask HN: What are you working on? (June 2026)
- Ask HN: What are you working on? (May 2026)
- Ask HN: Who is hiring? (June 2026)
- Ask HN: Who is hiring? (March 2026)
- Ask HN: Who wants to be hired? (June 2026)
- Ask HN: Why hasn't there been a real competitor to Ticketmaster yet?
- Ask HN: Why is the HN crowd so anti-AI?
- Ask HN: Will programmers write more efficient code during the memory shortage?
- Ask.com has closed
- Aspartame is not that bad?
- Aspirational Clownmaxxing and Joey's cadillac todo list
- Assembly Hall of Shame
- Assessing Claude Mythos Preview's cybersecurity capabilities
- Astra: An open-source observatory control software
- Astro 7.0
- Astronauts describe persistent 'observer' sensation after 6 month missions
- Astronomers Find the Edge of the Milky Way
- Astronomers find the edge of the Milky Way
- Astrophysicists Puzzle over Webb’s New Universe
- Async Programming Is Just Inject Time
- Async Rust never left the MVP state
- At Protocol: Building the Social Internet
- At least 10 people tied to sensitive US research have died or disappeared
- At long last, InfoWars is ours
- Atlassian Enables Default Data Collection to Train AI
- Atlassian Rovo Exfiltrates Data, Bypassing Controls
- Atlassian defends firing engineer for suggesting CEO is 'rich jerk'
- Atlassian to cut roughly 1,600 jobs in pivot to AI
- Atomic Display Switching: Solving
- Attie.ai
- Attimet (YC F24) Is Hiring Members of Technical Staff – Engineering and Research
- AttoChess, a complete, playable chess program for 16-bit x86 DOS in 278 bytes
- Attorney General Pam Bondi Out at DOJ
- Attractive students no longer receive better results as classes moved online
- Attyx – tiny and fast GPU-accelerated terminal emulator written in Zig
- Atuin v18.13 – better search, a PTY proxy, and AI for your shell
- Austin’s surge of new housing construction drove down rents
- Australia Bans Generative A.I. From Official Music Charts
- Australia passes law to levy tech giants that fail to pay for local news
- Australia's social media ban has failed
- Austria Lobbies EU to Host Anthropic After US Access Curbs
- Authoritarianism of Code
- Autism mutations drive neurodevelopmental pathology
- Autistici/inventati: Manifesto – who we are and what do we want (2002)
- Auto mode is now the default in Claude Code
- Auto-research with codex: How I achieved a 232x Faster Kernel
- AutoKernel: Autoresearch for GPU Kernels
- Automation Without Understanding
- Autonomous Mathematical Discovery in an Open-World Multi-Agent Environment
- Autoresearch for SAT Solvers
- Autoresearch: Agents researching on single-GPU nanochat training automatically
- Autostep (YC P26) Is Hiring AI/Fullstack Engineers and a Chief of Staff
- Avian Visitors
- Avoiding Trigonometry (2013)
- Avoiding and reducing microplastic false positives from dry glove contact
- Axios compromised on NPM – Malicious versions drop remote access trojan
- AyaFlow: A high-performance, eBPF-based network traffic analyzer written in Rust
- Azure Linux 4.0 is Microsoft's first general-purpose Linux
- Azure Linux Desktop
- B-trees and database indexes (2024)
- BBEdit 16
- BGP ORIGIN attribute manipulation and its impact on the Internet
- BLISS
- BMW Group to deploy humanoid robots in production in Germany for the first time
- BYD is bringing its 5-min 'Flash' electric car charging to Canada
- BYD overtakes Tesla and Kia as the best-selling EV brand in key overseas markets
- BYD's bet on EVs is paying off as drivers ditch gas amid rising oil prices
- BYOMesh – New LoRa mesh radio offers 100x the bandwidth
- Back to Kagi
- Back to the Future of Handwriting Recognition (2016)
- Backblaze has stopped backing up your data
- Backpressure is all you need
- Backtrack-Free Cursive
- Bacteria found in the human intestine capable of improving muscle strength
- Balcony Solar: $1.74/watt direct plug-in solar
- BambuStudio has been violating PrusaSlicer AGPL license since their fork
- Bananas sprout in Rayleigh Garden UK after 15 years
- Bankruptcies increase 11.9 percent
- Banned Book Library in a Wi-Fi Smart Light Bulb
- Banned in California
- BareMetal RAM Dumper – Bare-metal x86 tool for Cold Boot Attack experiments
- Barrier lake continues to pose flood risk, China warns
- Bars close and hundreds lose jobs as US firm buys Brewdog in £33M deal
- Bashblog – a single bash script to create blogs
- Battle for Wesnoth: open-source, turn-based strategy game
- Bcachefs creator insists his custom LLM is female and 'fully conscious'
- Be Alexandra Elbakyan
- Be intentional about how AI changes your codebase
- Be skeptical of OpenAI's rogue hacker agent story
- Beating GPT-5.6 Sol on retrieval with 100x cheaper open models
- Beautiful Type Erasure with C++26 Reflection
- Beavis Ultrasound PnP ISA Sound Card Replica
- Because It's Not Fun Enough: why languages fail
- Becoming a Research Engineer at a Big LLM Lab
- Becoming a dad changes men's brains
- Becoming a father shrinks your cerebrum
- Bede Liu, a digital signal processing pioneer, has died
- Beer CSS – Build material design in record time
- Before GitHub
- Behavior-Oriented Concurrency for Python
- Belgian car salesman becomes prince after DNA test proves royal parentage
- Belgium stops decommissioning nuclear power plants
- Benchmarking Opus 5 on SlopCodeBench
- Benchmarking coding agents on Databricks' multi-million line codebase
- Benchmarks in Leipzig
- Benedict Evans: AI eats the world (Spring 26) [pdf]
- Besimple AI (YC P25) Is Hiring
- Bet on German Train Delays
- Better Batteries
- Better Images of AI
- Better JIT for Postgres
- Better and Cheaper Than IPTV
- Beware Management Consultants
- Beyond Recall and the Illusion of Competence
- Beyond Semantic Similarity
- Beyond has dropped “meat” from its name and expanded its high-protein drink line
- Bible as RAG Database
- Biff is a command line datetime Swiss army knife
- Biff.core: system composition for Clojure web apps
- Big AI labs are hiring philosophers
- Big Banana Car
- Big Breakfast Alters Appetite, Gut Health
- Big Data on the Cheapest MacBook
- Big Pickle on SWE Atlas – Codebase QnA
- Big tech's anti-labor playbook has come for Wikipedia
- Biggest Probabilistic Computer Turns Noise into Answers
- Bike Bureau: Report Bike Lane Obstructions
- Bild AI (YC W25) Is Hiring Founding Product Engineers
- Bild AI (YC W25) Is Hiring Interns to Make Housing Affordable
- Bild AI (YC W25) Is Hiring a Founding Product Engineer
- Billion-Parameter Theories
- Binary Coverage the Wrong Way
- Binary GCD
- Bioengineered chewing gum may offer a way to fight HPV and other microbes
- Biology is a Burrito: A text- and visual-based journey through a living cell
- Biscuit
- Bitburner, programming-based incremental game
- Bitcoin and quantum computing
- Bitcoin miners are losing $19,000 on every BTC produced as difficulty drops 7.8%
- Bitmap fonts make computers feel like computers again
- Bitwarden scrubs 'Always free' and 'Inclusion' values from its site
- Bjarne Stroustrup: How do I deal with memory leaks? (2022)
- Black hole singularity is a surface not a point
- Blackmail Fail (2013)
- Blacksky AppView
- Blaise – A modern self-hosting zero-legacy Object Pascal compiler targeting QBE
- Blatant AI slop just won a 25k USD DeepMind Kaggle Grand Prize
- Block spent $68M on a single party in September 2025
- Block the "Upgrade to Tahoe" Alerts
- Block the “Upgrade to Tahoe” Alerts
- Blocking Internet Archive Won't Stop AI, but Will Erase Web's Historical Record
- Blog about things you don't understand yet
- Blog ran on Ubuntu 16.04 for 10 years. I migrated it to FreeBSD
- Blogger defeats photographer's copyright claim
- Blogging can just be stating the obvious
- Blood test boosts Alzheimer's diagnosis accuracy to 94.5%, clinical study shows
- Bloom (YC P26) Is Hiring
- Blorp Language
- Blue Origin's New Glenn blows up during static fire test
- Bluesky CEO Jay Graber is stepping down
- Bluesky Protocol Services
- Bluesky Trademarks ATProto
- Bluesky has been dealing with a DDoS attack for nearly a full day
- Bluesky's active user base is shrinking as its focus expands beyond the app
- Bobby Prince, composer for Doom, Wolfenstein 3D, and Duke Nukem 3D, has died
- Boffin claims Microsoft’s “quantum leap” is invalid due to “basic Python errors”
- Bombarding gamblers with offers greatly increases betting and gambling harm
- Bonsai 27B (1-bit LLM): The First 27B-Class Model to Run on a Phone
- Books Are Not Remotely Too Expensive
- Bookshelf – Self-hosted eBook library that runs on object storage
- Boot Naked Linux
- Boot a Virtual iPhone via Apple's Virtualization.framework
- Bootc and OSTree: Modernizing Linux System Deployment
- Bootimus – A Self-Contained PXE and HTTP Boot Server
- Bootstrappable Builds: How and Why
- Born Against, or why hobby programming communities are against LLM usage
- Borrow-checking without type-checking
- Boss-CSS: I created another "CSS-in-JS" lib
- Bot vs human traffic
- Bouncer: Block "crypto", "rage politics", and more from your X feed using AI
- Boy I was wrong about the Fediverse
- Brain turns listening inward during REM sleep, EEG recordings suggest
- Brazil's Pix Payment System Faces Pressure from Visa and Mastercard
- Brazilian election filter in X For You timeline
- Breaking Down 50M Pins: A Smarter Way to Design 3D IC Packages
- Breaking Free
- Breaking the WAL
- Breakthroughs for batteries could soon make them better
- Briar Is in Maintenance Mode
- Bricks and Minifigs Stole a Man's $200k Lego Collection
- Bring Back Idiomatic Design
- Bring back crappy forums
- Bring your own Agent to MS Teams
- Bringing Chrome to ARM64 Linux Devices
- Bringing PyTorch Monarch to AMD GPUs
- Bringing Up DeepSeek-V4-Flash on AMD MI300X
- Bringing the cybersecurity capabilities of Claude Mythos 5 to more defenders
- BriskDB
- Britain is ejecting hereditary nobles from Parliament after 700 years
- Britain today generating 90%+ of electricity from renewables
- British Columbia to end time changes, adopt year-round daylight time
- British Columbia, Time Zones, and Postgres
- Browser De-Slop
- Bubble Sorted Amen Break
- Bucketsquatting is (finally) dead
- Buckle Up for Bumpier Skies
- Buckminster Fuller: everything I know
- Bug Blindness
- Bugs Rust won't catch
- Bugtraq Is Back
- Bugtraq is back
- Build Wide, Ship Narrow
- Build your own Dial-up ISP with a Raspberry Pi
- Build your own vulnerability harness
- BuildKit: Docker's Hidden Gem That Can Build Almost Anything
- Building Better Country Selects
- Building Food Metadata with LLM Juries
- Building Gin: Simple over Easy
- Building Pi with Pi
- Building Principia for Windows XP
- Building a Blog with Elixir and Phoenix
- Building a JavaScript runtime in one month
- Building a Minimal Transformer for 10-digit Addition
- Building a Procedural Hex Map with Wave Function Collapse
- Building a SaaS in 2026 Using Only EU Infrastructure
- Building a Shell
- Building a UMatrix Replacement
- Building a Z-Machine in the worst possible language – Whitebeard's Realm
- Building a new Flash
- Building a real-time AI tutor for 5-year-olds
- Building a serial and VGA "everything console"
- Building an (almost) fully self-hosted, sandboxed, agentic software factory
- Building an E2E Encrypted Chat Application with LanceDB and Libsodium
- Building an FPGA 3dfx Voodoo with Modern RTL Tools
- Building an HTML-first site doubled our users overnight
- Building an Open-Source Robot Vacuum – Meet Oomwoo
- Building and Shipping Mac and iOS Apps Without Ever Opening Xcode
- Building for the Future
- Building from Zero After Addiction, Prison, and a Felony
- Building from zero after addiction, prison, and a felony
- Building on ATProto
- Building relationships with customers through support didn't turn out as hoped
- Building reliable agentic AI systems
- Building the TD4 4-Bit CPU
- Bun has an open PR adding shared-memory threads to JavaScriptCore
- Bun is being ported from Zig to Rust
- Bun's unreleased Rust port has 13,365 unsafe blocks
- Bun: cgroup-aware AvailableParallelism / HardwareConcurrency on Linux
- BunnyCDN has been silently losing our production files for 15 months
- Burnout is real for open source maintainers
- Bus stop balancing is fast, cheap, and effective
- Businesses with ugly AI menu redesigns
- Butterflies are in decline across North America, a look at the Western Monarch
- Byrne's Euclid
- Bytecode-to-Source Mapping
- C# strings silently kill your SQL Server indexes in Dapper
- C++26 is done ISO C++ standards meeting, Trip Report
- C++: The Documentary
- C, Just In Time!
- C/C++ projects packaged for Zig
- C2PA Cameras Do Not Survive Contact with Reality
- C64 Basic Dungeon Crawler: Goblin Attack (C64 Basic Part 8)
- C64 Basic: Game Map Overhead "Camera View"
- CATL's new LFP battery can charge from 10 to 98% in less than 7 minutes
- CBP Directive 3340-049B: Border Search of Electronic Devices
- CBP updated its electronic device search directive in Jan 2026
- CC-Canary: Detect early signs of regressions in Claude Code
- CC-Wiki: Turn Claude Code sessions into a shareable knowledge base wiki
- CDs vs. NIMBY
- CEO fired developers to make room for AI. Developers create open source AI CEO
- CEOs Who Think AI Replaces Their Employees Are Just Bad CEOs
- CERN levels up with new superconducting karts
- CERN to host a new phase of Open Research Europe
- CERN uses tiny AI models burned into silicon for real-time LHC data filtering
- CERT is releasing six CVEs for serious security vulnerabilities in dnsmasq
- CISA Admin Leaked AWS GovCloud Keys on GitHub
- CODA: Rewriting Transformer Blocks as GEMM-Epilogue Programs
- CP/M-386 – CP/M for 386 protected mode, derived from CP/M‑68K
- CPanel and WHM Authentication Bypass – CVE-2026-41940
- CPanel's Black Week: 3 New Vulnerabilities Patched After Attack on 44k Servers
- CRDTs merge concurrent edits. Why not concurrent creation?
- CSP for Pentesters: Understanding the Fundamentals
- CSS as a Query Language
- CSS is DOOMed
- CSS properties you should know for better text designs
- CSS-Native Parallax Effect
- CSS: The bomb inside your inbox
- CSSQuake
- CT scans of BYD car parts
- CUDA-oxide: Nvidia's official Rust to CUDA compiler
- CVE-2026-25089: FortiSandbox unauthenticated command injection added to CISA KEV
- CVE-2026-28952: Apple macOS 26.5 Kernel Vuln found by Claude
- CVE-2026-31431: Copy Fail vs. rootless containers
- CVE-2026-3888: Important Snap Flaw Enables Local Privilege Escalation to Root
- CVE-Bench: testing LLM agents on real-world vulnerability patches
- Cal.diy: open-source community edition of cal.com
- Calibrate Before You Accelerate: Bias Toward Action in a New Role
- California bill would require patches or refunds when online games shut down
- California farmers to destroy 420k peach trees following Del Monte bankruptcy
- California ghost-gun bill wants 3D printers to play cop, EFF says
- California moves to exempt Linux from its age-verification law after backlash
- California to begin ticketing driverless cars that violate traffic laws
- California's Battery Array Is as Powerful as 12 Nuclear Power Plants
- California's Digital Age Assurance Act, and FOSS
- Californians' data deletion requests, DROP, become enforceable Aug. 1
- Cambodia unveils a statue of famous landmine-sniffing rat Magawa
- Can Claude Fly a Plane?
- Can I disable all data collection from my vehicle?
- Can Intel finally beat ARM on performance per Watt?
- Can LLMs Perform Deep Technical Comprehension of Computer Architecture Papers
- Can We Understand How Large Language Models Reason?
- Can a MUD evaluate LLMs? A $99 proof of concept
- Can a wealthy family change the course of a deadly brain disease?
- Can the stockmarket swallow Anthropic, SpaceX and OpenAI?
- Can we code our way out of gentrification?
- Can we have the day off?
- Can you instruct a robot to make a PBJ sandwich?
- Can you reverse engineer an ASIC?
- Can you stop beans from making you gassy?
- Can't Stop the Signal. Poison It
- Canada is looking to build up to 10 new nuclear reactors over the next 15 years
- Canada plans 'nuclear renaissance' with up to 10 reactors built by 2040
- Canada suspends trade negotiations with USA and match tariffs dollar for dollar
- Canada to order military plane fleet from Sweden in shift from US suppliers
- Canada will match US tariffs 'dollar for dollar' as trade talks break down
- Canada's bill C-22 mandates mass metadata surveillance
- Canada's bill C-22 mandates mass metadata surveillance of Canadians
- Canada’s Bill C-22 Is a Repackaged Version of Last Year’s Surveillance Nightmare
- Cancel ChatGPT AI boycott surges after OpenAI pentagon military deal
- Cannabinoids remove plaque-forming Alzheimer's proteins from brain cells
- Cannabinoids remove plaque-forming Alzheimer's proteins from brain cells (2016)
- Cannibalism
- Canonical Backs New Project to Translate Large C Codebases into Safe Rust
- Canonical Under Attack
- Canvas (Instructure) LMS Down in Ongoing Ransomware Attack
- Canvas is down as ShinyHunters threatens to leak schools’ data
- Capability-Based Security for Redox: Namespace and CWD as Capabilities
- Capitalism Gone Wrong
- Capstone – multi-platform, multi-architecture disassembly framework
- Captcha proves you're human. HATCHA proves you're not
- Capybara: A Unified Visual Creation Model
- CarPlay Is Additive
- Carbon dioxide overload in human blood suggests a toxic atmosphere in 50 years
- Cardiorespiratory fitness is associated with lower anger and anxiety
- Care homes and hotels in Japan shut as expansion strategy unravels
- Carrot Disclosure: Forgejo
- Cars collect a startling amount of data about you
- Cartoon Network Flash Games
- CasNum
- Case study: recovery of a corrupted 12 TB multi-device pool
- Cash Issuing Terminals
- Cash issuing terminals
- Casio FX-870P Emulator
- Castor: CERN Advanced STORage Manager
- Casus Belli Engineering
- Cat (YC S22) Seeks Fractional Engineer to Build AI-Native Growth Toolkit
- Category Theory Illustrated – Orders