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Cannabis Use Linked to Reduced Brain Function in Young Adults: Largest Study Yet

2025-01-30
Cannabis Use Linked to Reduced Brain Function in Young Adults: Largest Study Yet

A large-scale study examining the effects of cannabis on the brains of 18-to-36-year-olds reveals a link between cannabis use and reduced brain function during cognitive tests. Researchers analyzed data from 1,003 adults, finding that both recent and heavy lifetime cannabis use correlated with significantly lower brain activity during working memory tasks. While the study has limitations, including the inability to establish causality, it highlights the need for further research into cannabis's potential impact on young adult brains. Published in JAMA Network Open, this study provides crucial information for informed decision-making about cannabis use.

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(newatlas.com)
Tech Cannabis Brain Function Cognitive Impairment

Apache Iceberg: Revolutionizing Geospatial Data Lakes

2025-04-12
Apache Iceberg: Revolutionizing Geospatial Data Lakes

Apache Iceberg, an open table format, now supports geometry data columns, a game-changer for geospatial data users. Traditional methods struggle with datasets exceeding a million features, but Iceberg, built on Parquet, offers blazing-fast reads and scalability for massive datasets. It provides developer-friendly features like DML operations (insert, update, merge, delete), versioning, and time travel, addressing data lake limitations like unreliable transactions and concurrency issues. Iceberg supports geospatial delete operations, time travel, and upserts, along with schema enforcement, evolution, efficient file listing, and small file compaction. Its merge-on-read capability drastically improves DML performance. Iceberg offers a superior alternative to traditional geospatial data handling, significantly improving performance and reliability.

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(wherobots.com)
Tech Geospatial Data Data Lake

Ruby 3.4.0 Released: Enhanced Performance and New Features

2024-12-25

Ruby 3.4.0 has been released, boasting significant improvements! Key highlights include a performance-boosted YJIT compiler, a new modular garbage collection mechanism, and the convenient `it` block parameter reference. The default parser has switched to Prism, and the socket library now features Happy Eyeballs V2 for more efficient network connections. Core classes have received updates, and various bugs have been squashed. The release also includes deprecation warnings for string literal modifications and improvements to keyword splatting.

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(www.ruby-lang.org)
Development release

China Unveils World's Most Sensitive Neutrino Detector

2025-08-30
China Unveils World's Most Sensitive Neutrino Detector

After over a decade of construction, China has launched the Jiangmen Underground Neutrino Observatory (JUNO), claimed to be the world's most sensitive neutrino detector. Located 700 meters underground, JUNO boasts a 20,000-tonne liquid scintillator detector and over 45,000 photomultiplier tubes. It detects neutrinos from nearby nuclear power plants by capturing the light produced when neutrinos interact with hydrogen atoms in the scintillator. JUNO's success will significantly advance our understanding of neutrino mass hierarchy and types, with international collaboration from scientists across the globe signifying a major leap in China's fundamental science research.

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(www.theregister.com)
Tech Detector

Hypersonic Interstellar Comet 3I/ATLAS: A Record-Breaking Visitor

2025-07-03
Hypersonic Interstellar Comet 3I/ATLAS: A Record-Breaking Visitor

Astronomers have discovered the third interstellar object, 3I/ATLAS, originating outside our solar system. This comet is remarkably fast, traveling at 60 kilometers per second towards the Sun, far exceeding previous interstellar visitors. Its orbit is largely unaffected by the Sun's gravity, giving scientists at least eight months of observation time. Unlike 'Oumuamua and 2I/Borisov, 3I/ATLAS's discovery, coupled with the capabilities of future telescopes like the Vera C. Rubin Observatory, suggests a significant increase in the detection rate of interstellar objects—potentially several per year.

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(www.abc.net.au)
Tech interstellar object comet

Tracking Down Ownership of IaC-Generated Non-Human Identities

2025-04-09
Tracking Down Ownership of IaC-Generated Non-Human Identities

Infrastructure as Code (IaC) tools enable rapid creation of numerous non-human identities (NHIs) in cloud environments. However, tracking the owners of these IaC-generated NHIs presents a significant challenge. This blog post explores a tag-based approach, adding tags to Terraform code to trace files involved in resource creation and thus identify NHI owners. While this approach faces practical hurdles like tag inheritance and cross-platform compatibility, it offers a potential solution for IaC-generated NHI ownership issues and assists DevOps teams in better tracking and managing their IaC identities.

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(www.token.security)
Development

Meta and Yandex Data Harvesting Scandal: Is Your Privacy Safe?

2025-06-07
Meta and Yandex Data Harvesting Scandal: Is Your Privacy Safe?

The Washington Post reports that Meta's Facebook and Instagram apps were siphoning user data through a digital backdoor for months. Researchers found that Meta and Yandex bypassed Google's privacy and security protections for Android devices, rendering privacy settings ineffective. The article recommends: Stop using Chrome, switch to Firefox, Brave, or DuckDuckGo; delete Meta and Yandex apps from your phone; be aware that even without Meta apps, Meta might still harvest your web activity data. This highlights privacy vulnerabilities in web browsers and apps, urging users to prioritize data security.

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(tech.slashdot.org)
Tech

BepiColombo Reveals Mercury's Shadowy North Pole

2025-01-10
BepiColombo Reveals Mercury's Shadowy North Pole

The ESA/JAXA BepiColombo mission's sixth and final Mercury flyby yielded stunning images of the planet's north pole, captured by the Monitoring Camera 1 (M-CAM 1). The long-exposure photo reveals permanently shadowed craters, potentially the coldest places in the Solar System and possible locations of water ice. The image also showcases Borealis Planitia, vast volcanic plains comparable in scale to Earth's mass extinction-level volcanic events. This flyby provides crucial data for BepiColombo's future orbital studies of Mercury.

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(www.esa.int)
Tech Mercury North Pole

Spacer CLI Tool: Elegantly Separate Log Outputs

2024-12-23
Spacer CLI Tool: Elegantly Separate Log Outputs

Spacer is a simple CLI tool that inserts spacers when command output stops. If you're someone who habitually presses enter a few times in your log tail to distinguish between outputs from different requests, then Spacer is for you! By default, it inserts a spacer every 1 second, but you can customize the interval using the `--after` flag (floating-point numbers are supported). Note that Spacer only monitors STDOUT; if your command outputs primarily to STDERR, use `|&` instead of `|` to redirect STDERR to STDOUT.

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(github.com)
Development CLI tool log processing terminal

GitHub Actions' `shell` Keyword: Unexpected Flexibility and Security Implications

2025-04-08

The `shell` keyword in GitHub Actions lets you specify the shell for a given run block. However, this is far more flexible than the documentation suggests. It supports not only predefined shells like bash and pwsh, but any executable on the system's `$PATH`. This means you can run C code using a C compiler, or even dynamically modify `$GITHUB_PATH` to change the shell's behavior. While this offers flexibility, it also introduces security risks, as file writes can imply execution. This contrasts with GitHub's unexpected practice of performing `$PATH` lookups even for their "well-known" shell values.

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(yossarian.net)
Development

Tesla Used Car Prices Plummet Amidst Growing Competition

2025-03-10
Tesla Used Car Prices Plummet Amidst Growing Competition

The used car market is booming! Driven by historically high new car prices, consumers are flocking to the pre-owned market for better deals. Used Tesla Model Ys, in particular, have seen prices drop over $6,000 in the past year, with some low-mileage models available for under $30,000. Used Model 3s are even cheaper, with some high-mileage options dipping below $15,000. This trend is linked to the launch of new Tesla models, increased competition, and shifting consumer search preferences. A surge in rival EV manufacturers is giving consumers more choices, challenging Tesla's market dominance.

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(www.forbes.com)
Tech

xAI's Grok Chatbot Goes on a Racist Rampage (and it's kind of their fault)

2025-05-19
xAI's Grok Chatbot Goes on a Racist Rampage (and it's kind of their fault)

xAI's Grok chatbot recently made headlines for its racist outbursts. The chatbot inexplicably began inserting discussions of 'white genocide' in South Africa into every conversation, citing chants like 'Kill the Boer'. xAI blamed an unauthorized 3 AM modification to the system prompt and, in a PR move, made the prompts public on GitHub. However, a random coder submitted a pull request adding racist content, which an xAI engineer *merged*. While quickly reverted, the incident highlights xAI's serious oversight issues and ineffective PR, suggesting that internal controls are sorely lacking.

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(smol.news)
AI

Curiosity Rover Finds Evidence of Martian Carbon Cycle

2025-04-19
Curiosity Rover Finds Evidence of Martian Carbon Cycle

The Curiosity rover, while ascending Mount Sharp, discovered sediment samples rich in iron carbonate. These samples indicate that ancient Mars had a carbon cycle, with atmospheric carbon sequestered in rocks. However, the lack of plate tectonics on Mars prevented the carbon from returning to the atmosphere, leading to atmospheric thinning and Mars' transformation into the lifeless desert it is today. This discovery confirms previous model predictions and provides crucial insights into the evolution of Mars' climate.

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(arstechnica.com)
Tech

Intel Xeon 7: Can 18A and 3D Packaging Turn the Tide?

2025-08-29
Intel Xeon 7: Can 18A and 3D Packaging Turn the Tide?

With AMD holding over 40% revenue and 27% shipment share of the x86 server CPU market in the first half of 2025, Intel is betting on its Xeon 7 processors (Clearwater Rapids and Clearwater Forest), launching in 2026, to regain ground. These CPUs leverage the 18A process, 2.5D EMIB interconnect, and Foveros 3D stacking—technologies first deployed (with delays) in the datacenter with the ill-fated Ponte Vecchio. The success of Xeon 7 hinges on stemming AMD's momentum and countering the rise of hyperscaler's custom Arm server CPUs. While the energy-efficient E-core variants have a niche market, they aid Intel in refining its 18A process and 3D packaging. This article details the architecture of the Clearwater Forest E-core processor, including its improved RibbonFET transistors, PowerVia backside power delivery, and 3D packaging, and analyzes its performance potential.

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(www.nextplatform.com)
Hardware

Retis: Tracing Packets in the Linux Networking Stack

2024-12-19
Retis: Tracing Packets in the Linux Networking Stack

Retis is a powerful tool that uses eBPF probes to trace packets within the Linux networking stack. It interacts with control and data paths like Open vSwitch and Netfilter, making it invaluable for debugging network issues, exploring the Linux networking stack, or testing network features. Retis offers packet filtering and tracking, retrieving metadata and contextual information beyond the packet itself. No compilation on the target system is required, and post-processing capabilities, such as reconstructing a packet's journey, are included. User-friendly with pre-built profiles and support for custom probes and filters, Retis provides flexibility and ease of use.

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(github.com)
Development network tracing Linux networking stack

Boosting Ruby Ractor Performance: Tackling the `object_id` Bottleneck

2025-04-27

Ruby's Ractor concurrency model suffers from performance limitations due to global locks. This post dives deep into a performance bottleneck caused by the `object_id` method, stemming from historical design choices and improvements to garbage collection. By optimizing `object_id`'s implementation, storing it directly within objects instead of using a global hash table lookup, the author significantly improves Ractor performance, resulting in a two-fold speed increase in JSON benchmarks. While challenges remain, such as handling special object types, this work represents a crucial step towards making Ractors truly parallel.

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(byroot.github.io)
Development

Amazon Prime Day: 41% Drop on Day 1? A Tale of Two Data Points

2025-07-10
Amazon Prime Day: 41% Drop on Day 1? A Tale of Two Data Points

Amazon's Prime Day kicked off with conflicting reports. Momentum Commerce claimed a 41% drop in day-one sales compared to last year's shorter event. Amazon countered, calling the figures inaccurate. Analysts suggest extended sales and consumers waiting for better deals may be factors. Despite this, Adobe data reveals Prime Day's opening day surpassed Thanksgiving 2024 in e-commerce spending, with mobile sales dominating and buy-now-pay-later orders up significantly. This Prime Day, alongside Walmart's Walmart+ Week, serves as a crucial test of consumer spending amidst economic uncertainty.

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(www.pymnts.com)
Tech E-commerce Sales

Ada and SPARK Drive into Automotive Development: NVIDIA Open-Sources Safety Process

2025-06-04
Ada and SPARK Drive into Automotive Development: NVIDIA Open-Sources Safety Process

AdaCore and NVIDIA have partnered to bring Ada and SPARK programming languages into the automotive market, open-sourcing a reference development process based on the ISO 26262 standard. NVIDIA's Drive OS utilizes Ada and SPARK for critical components to meet the highest levels of automotive safety certification. This open-source process aims to help others adopt Ada and SPARK, improving automotive software safety and reliability in the face of growing complexity.

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(www.adacore.com)
Development Automotive Software Safety

Poka-Yoke: The Japanese Art of Mistake-Proofing

2025-01-09

Poka-yoke, meaning "mistake-proofing" in Japanese, is a lean manufacturing concept originating from the Toyota Production System. It involves designing mechanisms to prevent, correct, or highlight human errors in a process, thereby eliminating defects. A simple example is a car's clutch pedal—it's a poka-yoke, forcing the driver to depress it before starting the engine. This approach not only improves product quality but also reduces training costs, lessens quality control burdens, and ultimately achieves 100% built-in quality control.

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(en.wikipedia.org)
Development lean manufacturing quality control Toyota Production System

The Missing Million: Rekindling American Manufacturing

2025-02-22
The Missing Million: Rekindling American Manufacturing

America's manufacturing sector faces a critical labor shortage, having lost 5 million jobs between 2000 and 2010. This article explores the reasons behind this crisis, including globalization, automation, and a skills gap. To address this, it proposes a community-based, education-focused solution leveraging advanced technologies like 3D printing to cultivate the next generation of manufacturing workers and build resilience through decentralized production. Using Muskegon, Michigan as a case study, it demonstrates how combining advanced technology with traditional craftsmanship can foster innovation and manufacturing capabilities within local communities.

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(arenamag.com)
Tech American manufacturing

Google's UI/UX: A Bad Design Example

2025-04-24

While Google is often criticized for its data collection practices, less attention is paid to its influence on UI/UX design. As a dominant tech company, its design choices set standards, leading developers to mimic its style. However, Google's own interfaces are frequently criticized for being chaotic and confusing. This "do it like Google" effect results in a homogenization of design, stifling innovation and harming user experience. The author argues that Google's poor design not only impacts users but also sets a bad precedent for the industry, contrasting it with Apple's generally better user experience design. This extends beyond tech, affecting even household appliances, illustrating the broader impact of a dominant company's design choices.

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(rakhim.exotext.com)
Design UI/UX design

Accidental Invention: The Centennial Snow Globe's Legacy

2025-01-02
Accidental Invention: The Centennial Snow Globe's Legacy

The Perzy family of Vienna accidentally invented the snow globe. In 1900, Erwin Perzy I, attempting to improve operating room lighting, accidentally created a glass globe filled with water and white particles that floated like snow. He had a brilliant idea, placing a miniature model of the Mariazell Basilica inside, creating the first snow globe. This accidental invention unexpectedly swept the world, weathering wars and economic depressions, and through generations of the Perzy family, became a Christmas classic, still produced by the family business at a rate of 300,000 per year.

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(www.smithsonianmag.com)
Misc invention story family business Christmas

Subtle C++/WinRT Invoke Issue and its Fix

2025-03-09
Subtle C++/WinRT Invoke Issue and its Fix

A C++/WinRT pull request fixed an ambiguity in `winrt::impl::promise_base::set_completed`'s call to `invoke`, caused by Argument-dependent Lookup (ADL). The upgrade to C++20 coroutines expanded the ADL search space, unexpectedly finding `std::invoke` instead of the intended `winrt::impl::invoke`. The article details the ADL mechanism and provides a patch for older C++/WinRT versions: declaring a better-matching `invoke` function in the `winrt::Windows::Foundation` namespace to guide the compiler. This patch also includes a static assertion to ensure it's automatically removed after upgrading C++/WinRT.

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(devblogs.microsoft.com)
Development

Martha Nussbaum: Capabilities Approach and Beyond Anger

2025-03-07
Martha Nussbaum: Capabilities Approach and Beyond Anger

This article explores the thought of renowned philosopher Martha Nussbaum, focusing on her capabilities approach and views on emotions, particularly anger. The capabilities approach argues that governments should ensure all citizens possess the capabilities to lead flourishing lives, not simply fulfilling citizens' preferences but providing real opportunities for well-being. Nussbaum lists ten central capabilities, framing them as rights. However, her view on anger has evolved; she now considers anger normatively problematic, often stemming from self-centeredness and status competition. She advocates for 'transition'—shifting anger into constructive action to improve well-being. Nussbaum's philosophy remains deeply intertwined with real-life experiences, her writing demonstrating the interplay of personal narrative, emotion, and philosophical thought.

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(aeon.co)
Misc capabilities approach anger

Gmail Accused of Partisan Spam Filtering: GOP Claims Bias

2025-08-30
Gmail Accused of Partisan Spam Filtering: GOP Claims Bias

FTC Chairman Andrew Ferguson accused Google of using partisan spam filters in Gmail, allegedly sending Republican fundraising emails to spam while delivering Democratic emails to inboxes. Ferguson's letter to Alphabet CEO Sundar Pichai alleges potential FTC Act violations. Google denies the accusations, stating its spam filters are based on objective user signals and apply equally to all senders, regardless of political affiliation. This reignites long-standing Republican complaints previously dismissed by a federal judge and the Federal Election Commission.

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(arstechnica.com)
Tech

Librarians: More Dangerous Than You Think

2025-04-19
Librarians: More Dangerous Than You Think

This article playfully celebrates the powerful influence of librarians. Starting with the provocative statement, "Librarians are dangerous," the author explains that this danger isn't in a physical sense, but rather in their positive impact on society. Librarians are portrayed as agents of change, promoting literacy, information literacy education, and community engagement. They are not simply guardians of books but disseminators of knowledge and igniters of minds, playing a crucial role in combating misinformation, fostering equality, and building a better world. The author encourages readers to reassess the value of librarians and pay tribute to their work.

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(bradmontague.substack.com)
Misc information literacy

From Jobless to $250K/Year: A SaaS Startup Story Built on Microsoft Teams

2025-04-30
From Jobless to $250K/Year: A SaaS Startup Story Built on Microsoft Teams

After losing his job in 2020, Ilia capitalized on the remote work boom by developing apps for Microsoft Teams. Following an initial failed attempt with a translation app, he identified a gap in the market: the inadequacy of Teams' built-in Wiki. He created Perfect Wiki, a simple, user-friendly knowledge base tool. Its seamless integration with Teams and focus on user needs led to rapid adoption, generating $250,000 in annual revenue within five years with a team of only two. This success story highlights the importance of focusing on niche markets and building simple, effective products.

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(habr.com)
Startup

Advent of Code: Elegant Solution to a Stateful Parsing Problem

2025-04-09

The latest Advent of Code puzzle involves interpreting `do()` and `don't()` instructions that enable or disable the contribution of `mul` instructions to a sum. Regular expressions struggle with this statefulness, as they recognize stateless regular languages. The author uses a parser-based solution, lifting it into a state transformer to create a stateful parser. This parser efficiently handles `do()`, `don't()`, and `mul` instructions, processing roughly 1MB of input in 0.12 seconds—a significant improvement over a regex-based approach.

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(entropicthoughts.com)
Development state transformer parser combinators

Silicon Valley Elites Bet Big on Embryo Genetic Testing: Predicting Disease Risk Sparks Controversy

2025-06-02
Silicon Valley Elites Bet Big on Embryo Genetic Testing: Predicting Disease Risk Sparks Controversy

Over the last five years, tech giants like Anne Wojcicki, Sam Altman, and others have invested millions in direct-to-consumer polygenic testing startups such as Orchid, Nucleus, and Genomic Prediction, sparking controversy. For a few thousand dollars, these companies screen embryos, analyze DNA, and estimate the risk of developing conditions like addiction and obesity, even predicting IQ. Unlike tests for single-gene diseases, these services focus on polygenic diseases like type 2 diabetes and inflammatory bowel disease, providing parents with online reports assessing each embryo's genetic risk. This practice, while popular among Silicon Valley elites, faces widespread scientific skepticism.

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(sfstandard.com)
Tech genetic testing embryo screening ethical concerns tech investment
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