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Mirror Bacteria Research Raises Significant Risks, Scientists Warn

2024-12-13
Mirror Bacteria Research Raises Significant Risks, Scientists Warn

Synthetic biologists have achieved remarkable breakthroughs, such as creating bacteria with chemically synthesized genomes. However, two synthetic biologists recently joined other scientists in calling for a halt to research that could lead to the creation of "mirror bacteria." These bacteria are composed of the same components as natural cells but with opposite stereochemistry in all biopolymers. Because mirror bacteria might lack natural predators and evade immune systems, they pose a catastrophic risk. The article emphasizes that while scientific research should be open, certain research, like mirror bacteria research, is too risky given the potential for devastating consequences. Therefore, it should be stopped.

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(www.the-scientist.com)
Tech synthetic biology mirror bacteria biosafety

New Solar System Body Challenges 'Planet Nine' Hypothesis

2025-07-21
New Solar System Body Challenges 'Planet Nine' Hypothesis

Astronomers have discovered a massive trans-Neptunian object, 2023 KQ14, nicknamed 'Ammonite,' beyond Pluto's orbit. Its unusual elongated orbit challenges the 'Planet Nine' hypothesis, suggesting it might be much further than previously thought or even ejected from the solar system. This fourth known sednoid has a unique orbit compared to its siblings, yet its 4.5-billion-year stability hints at a dramatic early solar system event. The discovery underscores the complexity of the outer solar system and places constraints on the existence of 'Planet Nine,' even suggesting the possibility of a past planet being ejected.

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(www.space.com)
Tech Sednoid

Why You Should Leave 100nF Decoupling Capacitors Behind

2025-01-30
Why You Should Leave 100nF Decoupling Capacitors Behind

This article debunks the long-standing practice of using 100nF decoupling capacitors as a default. The author argues that this practice is outdated due to advancements in IC technology (faster switching speeds) and the availability of low-cost, high-capacitance MLCCs. The article dives deep into the physics of decoupling, explaining impedance, parasitic inductance and capacitance, and their impact on power delivery network (PDN) integrity. It advocates for using larger capacitors (1uF or 2.2uF) for better decoupling, reduced EMI, and improved PDN stability. The importance of capacitor package size and its influence on parasitic inductance are highlighted. The author suggests that the persistence of outdated practices stems from cognitive load reduction and historical cost considerations.

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(codeinsecurity.wordpress.com)
Hardware Decoupling Capacitors PCB Design

Apple Warns Australia Against Following EU's App Sideloading Mandate

2025-06-06
Apple Warns Australia Against Following EU's App Sideloading Mandate

Apple has cautioned Australia against mirroring the European Union's Digital Markets Act (DMA), which mandates app sideloading on iPhones. Apple argues that sideloading increases the risk of malware and fraud, compromising user security and privacy. While Apple has complied with the DMA in the EU, allowing users to install apps outside the App Store, this has reportedly led to a surge in pornography and copyright-infringing apps. Apple stresses its review process is crucial for user protection and defends its 30% App Store commission, stating it primarily applies to high-earning apps, with most developers paying less or nothing. The Australian government is still considering its proposal and hasn't made a final decision.

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(www.neowin.net)
Tech App Sideloading

Emulating a Ukrainian Retro Computer: Bringing Childhood Games Back to Life

2025-09-22

The author revisited their childhood memories of the Fahivets-85 computer from Ukraine and decided to emulate it. They built a WebAssembly-based emulator that currently runs a simple game called "Rain". The development involved implementing the CPU instruction set, simulating the IO controller, keyboard, and display. AI assistance was used to generate code, and the emulator's functionality was gradually refined until the game successfully ran. While some issues remain, this is an impressive accomplishment.

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(rmazur.io)
Development

Reading Passport NFC Chip Data with Python

2025-06-25
Reading Passport NFC Chip Data with Python

The author attempts to read the NFC chip data from their cancelled passport using the Python library pypassport. Due to the passport being cancelled, a portion of the MRZ (Machine Readable Zone) is missing. The author reconstructs the MRZ from other information on the passport and successfully reads the passport information, including biometric data. The article details the composition of the MRZ, checksum calculation methods, and the reading process, and discusses the possibility and practical value of brute-forcing the MRZ. Ultimately, the author demonstrates that while theoretically possible, brute-forcing is very difficult in practice, and reading the information directly from the passport is much more convenient and efficient.

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(shkspr.mobi)
Development Passport

Open-Source LLMs: Outperforming Closed-Source Rivals on Cost and Performance

2025-06-06
Open-Source LLMs: Outperforming Closed-Source Rivals on Cost and Performance

While closed-source LLMs like GPT, Claude, and Gemini dominate at the forefront of AI, many common tasks don't require cutting-edge capabilities. This article reveals that open-source alternatives like Qwen and Llama often match or exceed the performance of closed-source workhorses (e.g., GPT-4o-mini, Gemini 2.5 Flash) for tasks such as classification, summarization, and data extraction, while significantly reducing costs. Benchmark comparisons demonstrate cost savings of up to 90%+, particularly with batch inference. A handy conversion chart helps businesses transition to open-source, maximizing performance and minimizing expenses.

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(sutro.sh)
AI open-source LLMs

Lidar Can Fry Your Phone's Camera

2025-05-23
Lidar Can Fry Your Phone's Camera

A Reddit user recently discovered that car-mounted lidar sensors can permanently damage a phone's camera under certain conditions. While filming a Volvo EX90 with an iPhone 16 Pro Max, the lidar's near-infrared light fried pixels in the camera lens. Volvo has warned against pointing cameras directly at lidar sensors, highlighting the potential risks of increasingly prevalent lidar technology in autonomous vehicles. The incident underscores the growing concerns about the interaction between lidar and consumer electronics.

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(www.jalopnik.com)
Tech lidar camera damage

FCC Investigates EchoStar's 2GHz Spectrum Use Amidst SpaceX and VTel Disputes

2025-05-14
FCC Investigates EchoStar's 2GHz Spectrum Use Amidst SpaceX and VTel Disputes

SpaceX's apparent lack of due diligence regarding EchoStar's extensive use of the 2GHz band has prompted an FCC investigation. EchoStar claims over 80% US population coverage with 23,000+ 5G sites deployed. However, VTel Wireless petitioned the FCC, arguing that granting EchoStar more time to complete its 5G network violates prior commitments made during the T-Mobile/Sprint merger. The FCC is now seeking public comment on EchoStar's 2GHz spectrum usage and VTel's petition for reconsideration.

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(arstechnica.com)
Tech Spectrum Dispute

Teardown Reveals Apple's 40W Dynamic Power Adapter: 60W Power in a Compact Package

2025-09-20
Teardown Reveals Apple's 40W Dynamic Power Adapter: 60W Power in a Compact Package

Apple's new 40W Dynamic Power Adapter, unveiled at their Fall Event, packs a punch. A ChargerLAB teardown reveals its impressive internals: a PI ZN1612F master control chip, RECTRON synchronous rectifier, Infineon protocol chip for output control, and NCC and Nichicon capacitors for filtering. Supporting PD3.0 and DCP charging protocols, it delivers fast charging for iPhone 17 and up to 55.94W for MacBook Air. The internal design prioritizes heat dissipation and protection, showcasing Apple's characteristic meticulous craftsmanship.

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(www.chargerlab.com)
Hardware Teardown

The Exploding Cucumber: A Botanical Curiosity

2025-08-13
The Exploding Cucumber: A Botanical Curiosity

Cyclanthera brachystachya, also known as the exploding cucumber (though not to be confused with Ecballium elaterium), is a fascinating vine native to Central and South America. This unusual plant, reaching up to 3 meters in length, produces spiky, 2-4cm fruits that explode when ripe, scattering their seeds. While the small, immature fruits can be eaten raw in salads, the larger, mature ones are typically cooked. Growing it is similar to other cucurbits, thriving in warm, humid climates. Its unique properties make it a curious and edible addition to any garden.

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(en.wikipedia.org)
Misc exploding fruit cucurbit

Scott Kelly on Ispace, NASA's Tumultuous Politics

2025-06-06
Scott Kelly on Ispace, NASA's Tumultuous Politics

Former NASA astronaut Scott Kelly attended the Ispace viewing party in Washington, D.C., showing support for the company and its chairman, Ron Garan. He praised Ispace's work as exciting, acknowledging the inherent challenges of space exploration. Kelly also weighed in on the controversy surrounding NASA leadership changes and budget cuts. He lamented President Trump's withdrawal of support for Jared Isaacman's nomination and voiced concern that a nearly 50% cut to NASA's science budget would decimate the agency. He noted NASA's constant struggles with shifting priorities under new administrations, commending his brother, Senator Mark Kelly, for advocating to maintain existing plans.

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(www.cnn.com)
Tech Political Turmoil

The Hidden Costs of SaaS: More Than You Think

2025-06-06
The Hidden Costs of SaaS: More Than You Think

Developers are often told to focus on their product and leave the rest to SaaS vendors. But integrating third-party services (authentication, queuing, file storage, image optimization, etc.) comes at a cost, not just in dollars but in time, friction, and mental overhead. This article outlines five hidden taxes: discovery tax (evaluating services), sign-up tax (registration and payment), integration tax (code integration and debugging), local development tax (local environment configuration), and production tax (production deployment and maintenance). The author argues that instead of constantly integrating various SaaS services, it's better to choose an integrated platform (like Cloudflare or Supabase) to avoid repetitive costs and hassles, thereby improving development efficiency.

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(rwsdk.com)
Development

FSF Calls for Continued Pressure on Microsoft

2025-01-05

The Free Software Foundation (FSF) published a blog post urging continued pressure on Microsoft to combat its anti-free software practices. The post uses this year's International Day Against DRM (IDAD) as an example, highlighting Microsoft's forced Windows 11 upgrade requiring a TPM module, harming user freedom and digital rights. The FSF encourages switching to GNU/Linux, avoiding new Microsoft software releases, and moving projects off Microsoft GitHub to support the free software movement. Simultaneously, the FSF is conducting its annual fundraiser, seeking support to fight digital restrictions and promote software freedom.

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(www.fsf.org)
Development Digital Restrictions

18 Years of Self-Injection Leads to Breakthrough Snake Antivenom

2025-05-03
18 Years of Self-Injection Leads to Breakthrough Snake Antivenom

For 18 years, Tim Friede injected himself with venom from deadly snakes. His unique experiment yielded a breakthrough: researchers used his antibodies to create a broadly effective antivenom, potentially protecting against 19 snake species. This new antivenom, unlike traditional methods using animal blood, leverages modern antibody therapy. While promising results in mice have been achieved, further testing in larger animals and humans is crucial. The research highlights a potential solution to the global snakebite crisis, but challenges remain in accessibility and affordability.

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(www.abc.net.au)
Tech antivenom scientific breakthrough

Google Earth AI: Tackling Global Challenges with AI

2025-07-31
Google Earth AI: Tackling Global Challenges with AI

Google unveils Google Earth AI, a collection of geospatial models and datasets designed to help individuals, businesses, and organizations address the planet's most critical challenges. AlphaEarth Foundations, also announced today, is a component of Google Earth AI. Building on recent Geospatial Reasoning efforts, Google Earth AI includes models for detailed weather prediction, flood forecasting, and wildfire detection. Other models improve urban planning and public health by providing insights into imagery, population dynamics, and urban mobility. These models power features used by millions, such as flood and wildfire alerts in Search and Maps, and provide actionable insights through Google Earth, Google Maps Platform, and Google Cloud. Google is committed to continuing this work, providing the information needed to solve some of the biggest challenges of our time.

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(blog.google)
AI

Discord Beta Tests New In-App Currency: Discord Orbs

2025-05-29
Discord Beta Tests New In-App Currency: Discord Orbs

Discord is beta testing "Discord Orbs," a new in-app currency redeemable for digital items. Users earn Orbs by completing promotional Quests, which involve interacting with advertiser content. Orbs can be spent on items in the Discord Shop or exchanged for exclusives like badges or Discord Nitro trials. The rollout is initially limited to a small number of users globally. Previously, Quest rewards were handled by publishers; Orbs offer an alternative.

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(www.theverge.com)
Game in-app currency rewards

Beyond the Billions: Reimagining the American Dream in a Decentralized World

2025-01-07

Jeff Atwood's blog post reflects on the current state of the American Dream and the impact of tech giants on society. He shares his personal journey from humble beginnings to success through Stack Overflow and Discourse, ultimately realizing that wealth shouldn't be the sole measure of achievement. The post calls for addressing social inequality and advocates for building a fairer society through decentralized platforms (like Mastodon) and charitable giving, sharing the American Dream. He's donated substantial funds to charities and plans to donate half his family's wealth over the next five years to support democratic institutions and promote social equity.

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(blog.codinghorror.com)
Startup American Dream Social Equity

AI Avatars: The Next Frontier in AI-Generated Content

2025-04-11
AI Avatars: The Next Frontier in AI-Generated Content

AI has mastered generating realistic photos, videos, and voices. The next leap? AI avatars – combining faces and voices to create talking characters. This isn't just image generation and voiceovers; it requires AI to learn the intricate coordination of lip syncing, facial expressions, and body language. This article explores the evolution of AI avatar technology, from early models based on single photos to sophisticated models generating full-body movement and dynamic backgrounds. It also analyzes the applications of AI avatars in content creation, advertising, and corporate communication, and discusses future directions, such as more natural expressions, body movements, and interactions with the real world.

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(a16z.com)
AI AI avatars AI technology

The Photographer's Regret: Capturing the Moment, Losing the Memory

2025-05-05
The Photographer's Regret: Capturing the Moment, Losing the Memory

A photographer, questioned at a retrospective about the scarcity of Chapel Hill photos, reflects on the tension between photography and life. He recalls his son's birth, where his focus on capturing the perfect shot overshadowed his presence in the moment with his wife. This experience led him to realize that photography and life aren't always compatible; prioritizing image capture can cause one to miss more important experiences and emotions. While the ubiquity of smartphone photography allows for countless images, he suggests that the richness of memory may lie in the uncaptured moments between those photos.

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(hedgehogreview.com)
Misc

Mathematical Modeling Reveals Just How Bad the Dreidel Game Is

2024-12-18
Mathematical Modeling Reveals Just How Bad the Dreidel Game Is

Last year, the author used the PRISM probabilistic modeling language to model the traditional holiday game Dreidel, proving its lack of fun. This year, he refined the model to simulate the entire game until its conclusion. The new model corrects the previous flaw of only simulating the elimination of the first player and improves the calculation logic for betting and player elimination. Through model simulation, the author found that, on average, a four-player game takes 760 spins to end, and the longest can even exceed 6 hours. This fully proves that the Dreidel game is long, tedious, and frustrating.

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(buttondown.com)
Game probabilistic modeling game analysis

resizer2: Manage Windows Like KDE/i3 with Win+Mouse

2024-12-29
resizer2: Manage Windows Like KDE/i3 with Win+Mouse

resizer2 is a Windows window manager that lets you resize and move windows using Win key + mouse, similar to KDE or i3 window managers. It offers features like moving, resizing, opacity adjustment, minimizing, and maximizing windows, even across multiple monitors. While it requires administrator privileges to move system windows and has some known quirks (like incompatibility with certain fullscreen apps), resizer2 provides a more efficient and convenient window management experience for Windows users.

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(github.com)
Development window management productivity tool

Automating Asymptotic Estimate Verification: A Python Tool

2025-05-02
Automating Asymptotic Estimate Verification: A Python Tool

This post describes a Python tool for automatically verifying asymptotic estimates, particularly those involving a finite number of positive real numbers combined using arithmetic operations like addition, multiplication, division, exponentiation, and min/max. The tool uses case splitting and linear programming to automatically determine if an inequality holds, providing a proof or counterexample. The author illustrates the tool's usefulness with personal examples and discusses future improvements, such as handling more complex expressions and integration into existing mathematical software platforms.

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(terrytao.wordpress.com)
Development asymptotic estimates automatic verification

Is AGI Here? No, It's 'Jagged AGI'

2025-04-20
Is AGI Here? No, It's 'Jagged AGI'

Recent AI models like OpenAI's o3 and Google's Gemini 2.5 Pro show stunning advancements, even completing complex tasks like marketing campaigns and website building. Economist Tyler Cowen suggests this signifies the arrival of AGI. However, the article argues these AIs exhibit uneven capabilities, excelling in some areas while failing at simple ones – a concept termed 'Jagged AGI'. This uncertainty makes the definition and impact of AGI unclear, suggesting its application and societal integration could be a lengthy process, or potentially see rapid adoption. The future remains uncertain.

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(www.oneusefulthing.org)
AI

Prince Rupert's Drops: Glass Stronger Than a Bullet

2025-04-12
Prince Rupert's Drops: Glass Stronger Than a Bullet

Prince Rupert's drops, formed by dripping molten glass into cold water, possess incredible strength, able to withstand even a bullet impact. The secret lies in the high internal pressure and surface tension created during rapid cooling. This unique physics has inspired the development of super-strong glasses like Gorilla Glass, offering superior protection for devices like smartphones.

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(www.popularmechanics.com)
Tech glass Prince Rupert's drop

Latnija Cave, Malta: Evidence for Early Holocene Human Occupation

2025-04-13
Latnija Cave, Malta: Evidence for Early Holocene Human Occupation

This multidisciplinary study presents an in-depth excavation and analysis of Latnija Cave in Malta. Combining archaeobotany, chronological modeling, isotopic analysis, sedimentology, and zooarchaeology, researchers uncovered evidence of continuous human occupation from the Mesolithic to Neolithic periods. Analysis of stratigraphy, plant and animal remains, and artifacts revealed distinct phases, precisely dated using radiocarbon dating. This research provides valuable data for understanding early human activity in Malta and the interaction between humans and their environment during the early Holocene.

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(www.nature.com)
Misc Mesolithic Neolithic

The Double-Edged Sword of AI in Coding: A High Schooler's Perspective

2025-02-20
The Double-Edged Sword of AI in Coding: A High Schooler's Perspective

A high school programmer reflects on their coding journey, contrasting the learning experience before and after the advent of AI-powered coding tools like Cursor. While initially struggling with syntax and type errors, they gained a deep understanding of programming principles. Now, AI tools boost efficiency but potentially hinder the learning process by reducing hands-on experience. The author advocates for minimizing AI reliance during initial learning stages to build a strong foundation.

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(blog.shivs.me)
Development learning to code coding tools

Duke Students Throw Away Thousands in Unused Goods

2025-05-27
Duke Students Throw Away Thousands in Unused Goods

A writer living in a Durham apartment building populated largely by Duke University students discovered a treasure trove of discarded items during the end-of-year move-out. High-end goods, including a $900 acrylic table, $395 Balenciaga slides, and over $1000 worth of Lululemon clothing, were found in the building's trash room. The author meticulously documented the items, totaling approximately $6000 in value. A comparison of Duke's donation program with other universities revealed comparable donation rates among wealthy private institutions. The story highlights issues of consumerism, waste, and the effectiveness of university donation initiatives.

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(indyweek.com)
Misc waste university donations

Rwanda's Genocide Radio: Incitement Under the Guise of Free Speech

2025-06-07

A radio station, ostensibly aiming for "harmonious development in Rwandan society," was secretly funded by Hutu extremists. It demonized the Tutsi minority, fostering hate and violence, laying the groundwork for the genocide. Despite warnings from the Belgian ambassador and aid agencies, Western diplomats dismissed the station's dangerous rhetoric, viewing it as a joke. The US ambassador even argued that its euphemisms were open to interpretation, prioritizing 'freedom of speech' over preventing mass violence.

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(rwandanstories.org)
Misc Rwandan Genocide Media Incitement International Responsibility
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