Voyager 1 is about to reach one light-day from earth

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Voyager 1 is about to reach 16.1 billion miles away from Earth, taking 24 hours for a radio signal to reach it. It's the most distant human-made object, traveling at 11 miles per second since 1977 and sending data until the 2030s.

S&box is now an open source game engine

Don't Download Apps

Companies use apps to collect data and charge different prices based on individual information. Downloading apps can also lead to binding arbitration clauses that limit your rights in case of disputes.

The EU made Apple adopt new Wi-Fi standards, and now Android can support AirDrop

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Google updated Android's Quick Share feature to support Apple's AirDrop, allowing users to share files directly between devices. This interoperability is made possible by Apple adopting the Wi-Fi Aware standard, a requirement under the European Union's Digital Markets Act.

Gemini CLI Tips and Tricks for Agentic Coding

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Gemini CLI is an open-source AI assistant that brings the power of Google's Gemini model directly into your terminal, allowing you to perform various tasks such as coding, debugging, and content generation through natural language prompts. The tool supports features like custom commands, memory addition and recall, checkpointing, and external integrations with Google Docs, Sheets, and Drive, ...

A Fast 64-Bit Date Algorithm (30–40% faster by counting dates backwards)

A new fast date conversion algorithm is presented, achieving a significant speed gain by counting years backwards and using a year-modulus-bitshift technique. The algorithm is accurate over a period of Β±1.89 trillion years and uses only 4 multiplications, making it suitable for processing full UNIX 64-bit time.

EU approves Chat Control policy

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The EU Council reached an agreement on the Child Sexual Abuse Regulation, requiring messaging providers to scan chats for CSAM, but making scanning voluntary. The new law imposes obligations on digital companies to assess and mitigate risks, with a new agency overseeing implementation.

AirDrop support for Pixel 10 likely exists because of the EU ruling

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Google added cross-platform AirDrop support to Pixel 10 through Quick Share, allowing users to send files to iPhones. This change is due to EU's interoperability requirements under the DMA, which forced Apple to support Wi-Fi Aware standard.

A woman on a mission to photograph every species of hummingbird

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Carole Turek, a 75-year-old anesthesiologist, is photographing all 366 hummingbird species worldwide. She has 90 species left to capture and has already documented 276 species through her YouTube channel and website, Hummingbird Spot.

Compressed filesystems Γ  la language models

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The author trained a language model to implement a filesystem and achieved 98% accuracy. They then used the model to compress XML filesystem trees, achieving 44.7% better compression than the original format.

A cell so minimal that it challenges definitions of life

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Scientists discovered a cell with a severely reduced genome that challenges the definition of life. The cell, named Sukunaarchaeum, lacks essential functions and relies on a host cell for survival.

Alan.app – Add a Border to macOS Active Window

User created a Mac app called Alan to draw borders around active windows, with customizable width and colors. The app can be hidden from the Dock by running a Terminal command.

Show HN: Safe-NPM – only install packages that are +90 days old

https://opengraph.githubassets.com/abce769e44e7aa847130a2e11426311a3cfd09f18010c483d33e4637926fdc07/kevinslin/safe-npm
safe-npm protects against supply chain attacks by only installing package versions at least 90 days old. It trades off bleeding-edge updates for security, one layer in a defense-in-depth strategy.

Show HN: I turned algae into a bio-altimeter and put it on a weather balloon

https://radi8.dev/static/media/payload.webp
Andrew, a high school student and experienced programmer, designed a high altitude balloon payload to study algae fluorescence in the stratosphere, collecting data on altitude, temperature, and light. The project, which included a custom PCB and data compression system, was part of the Apex program and taught Andrew valuable lessons on hardware design, environmental testing, and data compression.

Statistical Process Control in Python

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We will learn statistical process control in Python using pandas, plotnine, and scipy to measure variation and identify benchmarks in product quality over time. This workshop applies statistical process control to a case study of a Japanese Hot Springs bath economy, evaluating temperature, pH, and sulfur levels to ensure quality control and maintain reputation.

Optery (YC W22) Hiring CISO, Release Manager, Tech Lead (Node), Full Stack Eng

Optery is a profitable automated opt out software that empowers individuals and businesses to control their personal data. It has received multiple awards and raised over $9M in funding from top investors.

DRAM prices are spiking, but I don't trust the industry's why

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RAM prices have skyrocketed globally due to explosive demand from AI data centers and constrained supply, with major players like Samsung, SK Hynix, and Micron profiting immensely from the crisis. Industry officials point to a perfect storm of booming demand and supply constraints, but some experts are skeptical and suggest that price-fixing may be occurring, given the history of the memory ...

Show HN: KiDoom – Running DOOM on PCB Traces

Cloudflare outage should not have happened

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Cloudflare's recent outage was caused by a database/application mismatch due to a query returning unexpected data. The company's root cause analysis missed the real lesson, which is the importance of logical correctness and consistency in database design.

Surprisingly, Emacs on Android is pretty good

The user set up Emacs on their Android device, using Termux to access CLI tools, and customized the interface for touchscreen use. They also installed a virtual keyboard for easier typing and set up Syncthing to share notes across devices.

From blood sugar to brain relief: GLP-1 therapy slashes migraine frequency

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Researchers at the University of Naples found that liraglutide reduced migraine days by 11 per month in adults with obesity and chronic migraine. The benefit was linked to pressure modulation, not weight loss, and may offer a new treatment option for people with migraine.

The Weird and Wonderful Chemistry of Audioactive Decay (1986) [pdf]

Jakarta is now the biggest city in the world

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The world's population is increasingly urbanized with 45% living in cities, and Jakarta is home to nearly 42 million people. Megacities are expanding with 33 in 2025, and Dhaka is expected to become the world's largest city by the middle of the century.

Image Diffusion Models Exhibit Emergent Temporal Propagation in Videos

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers repurpose image diffusion models for object tracking in videos by interpreting self-attention maps as semantic label propagation kernels. They introduce DRIFT, a framework achieving state-of-the-art zero-shot performance on video object segmentation benchmarks.

OpenAI needs to raise at least $207B by 2030

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HSBC estimates OpenAI needs $207bn by 2030 to continue losing money. The Financial Times offers digital access for $75/month or a discounted yearly plan.

Slop Detective – Fight the Slop Syndicate

https://slopdetective.kagi.com/public/img/slop-detective-banner.png
Please enable JavaScript to play Slop Detective.

Show HN: We built an open source, zero webhooks payment processor

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Flowglad simplifies internet money making by integrating billing logic into apps with a single line of code. It uses internal user IDs for billing and provides real-time billing status.

CS234: Reinforcement Learning Winter 2025

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The class will use Sutton and Barto's Reinforcement Learning: An Introduction as a supporting reading and allow up to 2 late days for assignments.

How to repurpose your old phone into a web server

We aim to reduce e-waste by giving a second life to forgotten devices and encourage reuse. Follow the tutorial to set up a local digital garden on your device.
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Mathematician Anton Bernshteyn discovered a connection between descriptive set theory and computer science, showing that problems about infinite sets can be rewritten as problems about network communication. This bridge between disciplines has opened new collaborations and insights into the nature of infinity.