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Reviews sports technology at DC Rainmaker — watches, power meters and bike computers — in exhaustive detail, having tested them himself.

• Apple Watch Ultra 4 In-Depth Review: Does it Match the Hype?

  The Apple Watch Ultra 4 is arguably the biggest internal update the Apple Watch has seen in a number of years, and certainly the biggest Apple Watch Ultra series update since launch. It has a far better optical heart ra…

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Founder and editor of ToolGuyd, a tool review site covering power tools, hand tools, workshop equipment and EDC gear. He writes under his first name on the site.

• Chervon (Skil, Flex, EGO) Announced More Leadership Changes

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Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.

• Apple's considering entering the server market again, with the M8 Ultra. But I found the axed rackmount server Apple was building in the late 90s at VCF Midwest—the ANS 300. Thanks to @ClassicII_MrMac for telling me more about it!

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Front-end web developer at Paravel and co-host of the ShopTalk Show podcast; blogs at daverupert.com.

• My gaming PC has been broken for months. Ultra-laggy to the point that I couldn't even configure the BIOS. The problem? I had my peripherals plugged into the wrong USB-hole.

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Computer science professor who works on fast data processing; co-author of the simdjson parser and a weekly blogger about software performance since 2004.

• OpenAI announced that they may have cracked another Math problem of significance. Which is it?

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Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.

• The German startup Magnotherm is pioneering a new type of cooling technology: Instead of compressing a refrigerant gas, as usual, their fridges use metals that heat up in magnetic fields and cool when the field is removed. This can effectively be used to move the heat from one location (eg inside the fridge) to another (outside the fridge). The idea itself is not new, it goes back to the 19th century, but Magnotherm is the first to make the step to commercial use. Earlier this year, they announced that the German supermarket chain REWE will deploy their new fridges in 10 stores. The company s…

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Director of institutional asset management at Ritholtz Wealth Management. Writes the A Wealth of Common Sense blog and co-hosts the Animal Spirits podcast with Michael Batnick.

• In the 2010s we were told ultra low interest rates would lead to a financial crisis (didn't happen) Now we are told that higher interest rates will also lead to a financial crisis I think some ppl really want to say they called the next financial crisis

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Former L8 engineer at Meta, Microsoft and Atlassian, now writing and building solo on agentic engineering. Writes Kun's Field Notes and posts a lot about AI coding agents on X.

• ok everyone, i took one for the team here's the data we all wanted to see - real token value of each LLM subscription, empirically measured through usage on my real subscriptions - supergrok heavy has now become the highest value at $12k worth of tokens (40x ROI) - the $200 plan from openai and anthropic roughly give the same amount of token value, $7k give or take - cursor ultra's ROI is the lowest among mainstream subscriptions, roughly half of OAI or Ant. for individual consumers i'm afraid this no longer makes sense to purchase this was done in a clean environment. i ran each provider acr…

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Computer science professor at Georgetown University and author of Deep Work, Digital Minimalism and Slow Productivity; writes about focus, technology and work at calnewport.com and hosts the Deep Questions podcast.

• Superintelligence is a Fairy Tale. But Chasing It Can Still Cause Harm.

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British software developer at Laravel and creator of the Cachet open-source status page system. Podcaster; writes at james.brooks.page.

• still wish Apple announced a fitness band

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Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.

• BlueskyI have rounded up all the Apple release dates for everything announced today… …and check out the fancy calendar widget we have to see them all:

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• BlogAll the ‘Surprise and Shine’ Release Dates and Features, Visualized

  At today’s Surprise and Shine event, Apple announced a lot of dates. Most of the new hardware arrives on September 18, but the brand new iPhone Duo won’t launch until October. Before then, Apple’s next round of major OS…

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Technology writer of Spyglass, a newsletter about technology and media. Previously a reporter at TechCrunch and an investor at GV.

• Apple Watch Series 12: here's a million cool things Apple Watch Ultra 4: anyway... #AppleEvent

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Reviews sports technology at DC Rainmaker — watches, power meters and bike computers — in exhaustive detail, having tested them himself.

• Apple’s Secret 50KM Backyard Ultra Detailed!

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Statistician and software engineer who writes R packages for reproducible research and publishing, including knitr, bookdown and blogdown.

• A Review of **knitr** Updates from 2024 to 2026

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Reviews sports technology at DC Rainmaker — watches, power meters and bike computers — in exhaustive detail, having tested them himself.

• Massive News: COROS To Add Full Mapping to Pace 4 Watches

  As is always the case in sports tech, September can be full of surprises. But I’m pretty sure nobody had this on their bingo card. COROS has just announced that existing Pace 4 watches will get a firmware update allowing

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Founder and CEO of Social Capital, a venture firm; co-host of the All-In podcast and an early Facebook executive. Writes an annual letter and a weekly newsletter on markets and technology.

• This will turn out to be a very consequential and important acquisition in AI It is increasingly clear that the future of AI will be ultra capable and ultra cheap sources of intelligence tokens. Huggingface can help Nvidia accelerate this inevitability for the industry. This also allows Nvidia to have another competitive piece on the chess board. As the hyperscalers keep moving down (spinning their own silicon), Nvidia moves up. Game on!
  Quoting@JensenHuangExciting day for NVIDIA and @huggingface. Open models strengthen safety and cybersecurity, accelerate innovation and diffusion, and enable sovereignty. They allow every developer, startup, university, industry and country to build with, customize and benefit from AI. Thank you @ClementDelangue for…

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Physicist and science communicator. Writes Backreaction and makes videos explaining new physics and astronomy results, frequently to argue that the headline about them overstates the case.

• Dark Matter Finally Detected?

  The dark matter search LUX-ZEPLIN has announced that they have made a detection that could be the first ever evidence for a dark matter particle. Just what have they measured, what could it be, and what does it mean? I…

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Software engineer; co-founder and former CTO of Tailscale, previously on the Go team at Google.

• Finally got sick of all the Reddit UI changes, so started an @exedev VM and asked it to create an account and make a scraper for the content I check. Now I have an ultra lightweight, dense, mobile UI.

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Programmer, teacher and speaker; long-time Microsoft developer-community figure, host of the Hanselminutes podcast and author of the hanselman.com blog.

• Dave Barry found out he won the Pulitzer about a minute before they announced it. First thing he had to do was tell his son they weren't going to Key West. There's a famous photo of the two of them hugging at the exact moment they said his name. The kid had just been promised a

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Organizational psychologist and professor at the Wharton School. Author of Give and Take, Originals, Think Again and Hidden Potential, host of the Re:Thinking podcast, and writer of the GRANTED newsletter.

• AI struggles to make creative leaps. Large language models are trained on data from the past. Original thinking involves recognizing novel patterns in the future. Long live human ingenuity.

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Founder and editor-in-chief of MacStories, writing about Apple software, iPad workflows and automation since 2009. He co-hosts the AppStories podcast.

• MastodonThe Potential of M6 and M5 Ultra for Local AI on macOS

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• BlogThe Potential of M6 and M5 Ultra for Local AI on macOS

  Earlier today, Apple unveiled the new generation of Mac mini and Mac Studio, featuring the latest entries in the Apple silicon family of chips: the M6, available in the Mac mini, and the M5 Ultra, exclusive to the Mac S…

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Australian moral philosopher, Professor of Bioethics emeritus at Princeton University; author of Animal Liberation, Practical Ethics and The Life You Can Save.

• In this episode of Lives Well Lived, we speak with @michaelpollan.bsky.social about food and ultra-processed diets, psychedelics and altered states of consciousness, plant sentience, the mystery of consciousness, and whether AI could ever become conscious. Listen to the full conversation 🎧

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FreeBSD developer and former FreeBSD Security Officer; founder of the Tarsnap online backup service and author of the scrypt key derivation function.

• FreeBSD 14.5-BETA3 is now available: https://t.co/aePfUTX3Or 14.5-RC1 should build on August 28th; if all goes well,14.5-RELEASE will be announced on September 8th.

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Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.

• I'm excited for Intel after testing the XPS 13

  Shortly after Apple launched the budget MacBook Neo, Dell announced their response, a new low-end XPS 13. Matching the Neo's current pricing, it starts at $699, or $599 with an educational discount. That discount is cur…

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Developer, author and YouTuber covering Raspberry Pi, homelab hardware and Ansible automation. Author of Ansible for DevOps.

• Proxmox officially supports Arm, with some caveats

  Proxmox today announced their Proxmox Virtual Environment is now available for 64-bit ARM. I tested it on my Ampere Altra Dev Platform—the same machine on which I've booted Windows on Arm the first time, messed with mul…

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Computer science professor at Georgetown University and author of Deep Work, Digital Minimalism and Slow Productivity; writes about focus, technology and work at calnewport.com and hosts the Deep Questions podcast.

• Did OpenAI’s New Model “Go Rogue”?

  A couple of weeks ago, the AI company Hugging Face ​announced​ that they had discovered an intrusion into their production infrastructure. They didn’t know the ...

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Mathematician and Senior Lecturer in the Mathematics department at Columbia University. Author of the book Not Even Wrong and of the long-running physics blog of the same name.

• Requiem for a Field?

  Kevin Hartnett posted the following Friday: My profile of @Jacob_Tsimerman, published the morning he won the Fields Medal, and hours before he announced he’s going to @OpenAI, reads like a requiem for a field. While I’m…

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Cryptographer; teaches cryptography at Johns Hopkins and writes A Few Thoughts on Cryptographic Engineering.

• The future of Siri, or: why private inference isn’t private enough

  Yesterday Apple announced a big step towards deploying real AI in their Siri ecosystem. In most ways this is good and inevitable: Siri is one of the world’s most widely-used voice agents, and it would be good if it didn…

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Non-fiction writer, podcaster and occasional TV host. Author of thirteen books including The Ghost Map, Where Good Ideas Come From and Extra Life, host of the PBS series How We Got To Now, and author of the Adjacent Possible newsletter on innovation.

• The most significant update to @NotebookLM in the three years since we launched. I’ve been using it for past two months and it is absolutely transformative for research. Rolling out to Ultra users today, support for more tiers to come.
  Quoting@Gemini_NotebookIntroducing a more powerful NotebookLM 🚀 Massive upgrades deliver agentic capabilities in chat, more advanced reasoning, and a suite of new output formats. Tackling complex, multi-step research problems has never been easier. Rolling out now to Google AI Ultra subscribers.

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Freelance climate and energy analyst in Oslo, writing on Europe, the US and Australia; worked in the Australian renewables industry before that.

• Why Anthropic’s ultra-dirty deal shouldn’t surprise you at all

  Perfect little Anthropic did the dirty with Elon Musk's ultra-filthy pollution bomb fossil fuelled data centre. I am here to tell you why this is not surprising at all.

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Guardian columnist and environmental campaigner; wrote Feral and Regenesis, and argues for rewilding and against the food system as it is.

• Get the Money out of Politics

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Co-founder of Foundry Group and of Techstars. Has blogged at Feld Thoughts since 2004 and has written or co-written nine non-fiction books on startups and venture capital.

• Opt-Out Is Not Consent

  GitHub announced they'll use Copilot interaction data to train AI models by default. The right answer is opt-in. Microsoft can afford to ask.

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Founder of Terraform Industries and formerly a physicist at NASA's Jet Propulsion Laboratory; writes about energy, space and manufacturing.

• Space AI: I guess we’re doing Moon factories now

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Pseudonymous reviewer who publishes measured, standardised flashlight and knife reviews at zeroair.org, including runtime, output and tint measurements.

• ShortOlight AkrPro Ultra fully unlocked!

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Engineer writing about the physical economy — oil and gas, manufacturing, batteries, drones and what it costs to build things.

• Building Ultra Cheap Energy Storage for Solar PV

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Free software developer; maintainer of sway, wlroots, aerc and scdoc, and founder of the SourceHut (sr.ht) software forge.

• What's new with Himitsu 0.9?

  Last week, Armin and I worked together on the latest release of Himitsu, a “secret storage manager” for Linux. I haven’t blogged about Himitsu since I announced it three years ago, and I thought it would be nice to give…

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Software engineer at PlanetScale and creator of the vim-go plugin. Writes at arslan.io about Go, tooling, industrial design and books.

• Fujifilm X half: Is it the perfect family camera ?

  When Fujifilm announced the Fujifilm X half, the internet was literally divided into two halves. Some people were disappointed that it offered limited features for its high price, while others were delighted and found i…

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Founder of the toy manufacturer Viahart; writes about manufacturing, importing and why bringing production back to America is harder than it sounds.

• America Underestimates the Difficulty of Bringing Manufacturing Back

  On April 2nd, 2025, our president announced major new taxes on imports from foreign countries (“tariffs”), ranging from 10% to 49%. The stated goal is to bring manufacturing back to the United States and to “make Americ…

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Co-founder and chief science officer of Hugging Face; writes about open models and where he thinks the field is wrong.

• A few words on DeepSeek new releases. Links are: - github.com/deepseek-ai/... - github.com/deepseek-ai/... - github.com/deepseek-ai/... and the Ultra-Scale Playbook at

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Irish independent game developer, maker of VVVVVV, Super Hexagon and Dicey Dungeons.

• So what’s in the collection?

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Software engineer writing about maintenance, open source and the industrial reality of software — the author of "I am not a supplier".

• What Security Tokens For 2FA Say About FOSS Consumers

  Recently, PyPI announced that they would force everyone that maintains a project or an organization on the platform will have to enable 2FA. This is one more step in the direction of strongly protecting the package prov…

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Creator of the Zig programming language; president and lead developer of the Zig Software Foundation.

• Zig: January 2018 in Review

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