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Perovskite betavoltaic cell sets record efficiency using carbon 14 sourceIMAGE
energy-daily.com• Jan 22, 2026• 1 min read
Perovskite betavoltaic cell sets record efficiency using carbon 14 sourceTokyo, Japan (SPX) Jan 13, 2026 A research team at DGIST has developed a perovskite based self powered betavoltaic battery that achieves what they report as the worlds highest conversion efficiency for this class of device while maintaining long term operational stability. The work targets applications that require continuous reliable power without external charging, such as artificial intelligence systems, internet of things
Elon Musk hints at buying Ryanair amid Starlink spatIMAGE
spacedaily.com• Jan 22, 2026• 1 min read
Elon Musk hints at buying Ryanair amid Starlink spatDublin (AFP) Jan 20, 2026 US tech boss Elon Musk has polled followers on his social network X about buying Ryanair, stoking a clash with the airline's boss Michael O'Leary over using the Starlink system onboard to use the internet. By late Tuesday, lowcost carrier Ryanair had not replied to a request from AFP to respond to the poll that was posted Monday, with more than 900,000 participants. Musk, who founded Tes
Orbex’s Subsidiary in Denmark to File for BankruptcyIMAGE
europeanspaceflight.com• Jan 21, 2026• 1 min read
Orbex’s Subsidiary in Denmark to File for BankruptcyOrbex’s Danish subsidiary, Orbital Express Launch ApS, is set to file for bankruptcy, with its facilities officially closing on 20 January and approximately 90 employees losing their jobs. UK-based Orbital Express Launch (Orbex) established its business in Denmark in October 2016. According to the company, its Copenhagen-based business carried out work in propulsion, testing, software, […] The post Orbex’s Subsidiary in Denmark to File for Bankruptcy appeared first on European Spaceflight.
Accelerating digital transformation is the keystone to deterring space warIMAGE
spacenews.com• Jan 21, 2026• 1 min read
Accelerating digital transformation is the keystone to deterring space warThe United States cannot beat China without accelerating digital transformation: cloud-native services, edge computing, AI/ML-driven autonomy, software-defined payloads, zero-trust cybersecurity, network maneuver and automated DevSecOps pipelines. Digital transformation drives the pace at which militaries convert data into decisions, and decision dominance enables proactive deterrence. Choices made today about software, data, resilience and partnerships will therefore […] The post Accelerating digital transformation is the keystone to deterring space war appeared first on SpaceNews.
China Sky Eye tracks binary-triggered fast radio burst activityIMAGE
spacedaily.com• Jan 19, 2026• 1 min read
China Sky Eye tracks binary-triggered fast radio burst activityTokyo, Japan (SPX) Jan 19, 2026 An international team of astronomers has obtained the first decisive evidence that at least some fast radio bursts originate in binary stellar systems rather than from isolated objects. The work centers on an active repeating fast radio burst source about 2.5 billion light years away that shows a sudden and transient change in its magnetic environment consistent with material expelled from a ste
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Show HN: Git Guide - The open source travel guide on GitHub ActionsIMAGE
github.com• Jan 17, 2026• 1 min read
Show HN: Git Guide - The open source travel guide on GitHub ActionsHello HN!This is my first open source project, and I’m excited (and a little nervous) to share it with you.I love traveling, but I’ve lost trust in traditional review sites. Between SEO spam, bots, and paid 5-star ratings, finding genuine recommendations has become a noise-filtering exercise. I wanted a curated list where the "noise" of anonymous internet crowds is replaced by a transparent commit history.Git Guide is an experiment in building a community-curated travel directory without a traditional backend or database.* No Database: The "database" is just folders of Markdown files (countries/Italy/Rome/Eat/best_pizza.md). * No Servers: It runs entirely on GitHub Actions. * IssueOps: Data isn't entered via a custom form; it's entered via GitHub Issues with YAML templates.How it works: 1. A user opens an Issue to propose a place. 2. The community votes using GitHub reactions (/). 3. Once a threshold is met (currently testing with net 100 votes) and a moderator approves, a Python scrip
Early universe dark matter born red hot before coolingIMAGE
spacedaily.com• Jan 16, 2026• 1 min read
Early universe dark matter born red hot before coolingLos Angeles CA (SPX) Jan 14, 2026 Researchers at the University of Minnesota Twin Cities and Universite Paris-Saclay report that dark matter in the early universe may have started out moving at nearly the speed of light, challenging the long held assumption that it had to be born cold and slow. Their work suggests that the universe's dominant unseen matter component could have been incredibly hot at birth yet still cooled suffic
Gh Account Permabanned – Help?IMAGE
news.ycombinator.com• Jan 13, 2026• 1 min read
Gh Account Permabanned – Help?I'm reaching out to the HN community because I've just lost something that can't be recreated: my entire GitHub history since I was 14 years old.What happened?My account was permanently banned without warning. After fighting through support tickets, the suspected culprit is a chargeback related to GitHub Copilot that occurred during a fraud dispute on my credit card.When fraudulent charges were reversed, GitHub Copilot charges apparently went with them – and GitHub's automated system interpreted this as intentional fraud.I started in infosec at 14 – hacking, building tools, contributing to open source on GitHub. As a teenager, I contributed work that was featured at DEFCON. I'm still early in my career, and I've been banking on something crucial: that real, tangible contributions to open-source projects would speak louder than any resume ever could. Those contributions were my resume. They were proof of work – thousands of commits, security tools, pull requests, issues, and collaborati
China outlines mega constellations in ITU satellite filingsIMAGE
spacedaily.com• Jan 13, 2026• 1 min read
China outlines mega constellations in ITU satellite filingsTokyo, Japan (SPX) Jan 13, 2026 China has submitted plans for more than 200,000 satellites to the International Telecommunication Union, underscoring a drive to secure orbital positions and radio spectrum as global competition for low Earth orbit intensifies. The applications on the ITU website cover more than a dozen planned satellite constellations, with individual networks ranging from a few dozen spacecraft to systems appr
Asteroid metals harden under extreme particle blastsIMAGE
spacedaily.com• Jan 12, 2026• 1 min read
Asteroid metals harden under extreme particle blastsLondon, UK (SPX) Jan 09, 2026 Physicists at the University of Oxford have contributed to a study showing that iron-rich asteroids can withstand much higher energy inputs than expected without breaking apart, a result that affects assessments of planetary defence strategies against hazardous objects. The work, published in Nature Communications, indicates that under rapid, intense heating these bodies can even become tougher
I Build an Idea I Love. I Need You to Tear It ApartIMAGE
news.ycombinator.com• Jan 11, 2026• 1 min read
I Build an Idea I Love. I Need You to Tear It ApartHi!My name is Marta, and I’m working on a startup idea that I genuinely believe could become something big — and I want you to give me “harsh and frank” rather than “nice and polite” feedback.I’d really appreciate it if you could take a few minutes to read this post and answer one honest question:“Would you actually sign up for this?”Not “sounds interesting,” not “nice idea,” but:Would it solve a real pain for you?Would it make your life feel a bit more fulfilled?Would you try it at least once?Thnx in advance.Let’s go!What is Kindred?Kindred is a platform where you book meaningful 1-on-1 conversations with people who share your interests — directly in each other’s calendars, without chatting first or social pressure.What will Kindred do differently than other typical social-networking apps?On most apps, everything usually starts with:“Hey ” → silence → awkward follow-ups → ghosting.Not on mine. This is how it works:1. You search by interests. You type what you’re curious about: Formula
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Lithium ion battery study on Tiangong space station explores microgravity effects on performanceIMAGE
energy-daily.com• Jan 9, 2026• 1 min read
Lithium ion battery study on Tiangong space station explores microgravity effects on performanceTokyo, Japan (SPX) Jan 08, 2026 A lithium ion battery experiment has been completed aboard China's Tiangong space station, focusing on basic electrochemical processes that govern performance and lifetime. Researchers at the Dalian Institute of Chemical Physics under the Chinese Academy of Sciences reported the work, which was carried out by the three astronauts of the Shenzhou XXI crew. The experiment is designed to clar
ESA Strikes New Deal with NASA for Its CSOC Commitments for the ISSIMAGE
europeanspaceflight.com• Jan 8, 2026• 1 min read
ESA Strikes New Deal with NASA for Its CSOC Commitments for the ISSAfter cancelling a call for proposals in December for a commercial cargo mission to the International Space Station (ISS) that was intended to meet its obligations related to the station’s Common System Operations Costs (CSOC), the European Space Agency (ESA) has outlined a revised barter arrangement with NASA. Under the CSOC framework, all ISS partners […] The post ESA Strikes New Deal with NASA for Its CSOC Commitments for the ISS appeared first on European Spaceflight.
How College Students Really Afford Rent And Groceries NowIMAGE
spacedaily.com• Jan 6, 2026• 1 min read
How College Students Really Afford Rent And Groceries NowLos Angeles CA (SPX) Jan 06, 2026 Many college students say that rent and basic food costs feel harder to manage than any other part of school. It's not unusual for students to work, budget, and still feel short at the end of the month. This leaves a lot of them unsure of how to cover the gap without taking on too much stress.
Alen Space begins SATMAR satellite validation over Bay of AlgecirasIMAGE
spacedaily.com• Jan 5, 2026• 1 min read
Alen Space begins SATMAR satellite validation over Bay of AlgecirasBerlin, Germany (SPX) Jan 01, 2026 Alen Space has completed the first demonstrator pilot campaign of VDES technology using its SATMAR satellite over the Bay of Algeciras in southern Spain. Over the past week, the company worked with Egatel and the Port Authority of the Bay of Algeciras to run several operational tests in a real maritime setting. In the first pilot, SATMAR supported message exchanges between a vessel and the
Satellites lined up for shared space computing power networksIMAGE
spacedaily.com• Jan 1, 2026• 1 min read
Satellites lined up for shared space computing power networksTokyo, Japan (SPX) Dec 31, 2025 Researchers are outlining a space computing power network that would link communication and computation across satellite constellations to handle growing data processing demands in orbit. Over recent decades, satellites have expanded global connectivity and remote sensing, but many systems still move raw data to the ground for processing under tight contact windows. Traditional satellite-g
The Gemini AI Studio "Context Tax": How a 10-word prompt cost me £121IMAGE
news.ycombinator.com• Dec 31, 2025• 1 min read
The Gemini AI Studio "Context Tax": How a 10-word prompt cost me £121I’ve been utilizing Google’s Gemini 1.5 Pro via the AI Studio front-end to develop a new platform. The 1M+ context window is, technically speaking, a game-changer for "stitching" together a 55,000-line codebase. However, I recently discovered a predatory billing architecture that I’m calling the "Context Tax."If you use the AI Studio UI, you might be walking into a massive bill without a single warning.Here is how it happened, and the UK/EU privacy "pro-tip" I found in the fine print.In AI Studio, you start on the Free Tier. You upload your codebase (say, 700k tokens) and work for free until you hit the daily quota. At that point, the UI suggests adding an API key to "continue the conversation."The Trap: Most users (myself included) assume that after adding the key, they will be billed for incremental usage (the 10-100 tokens they just typed).The Reality: The AI Studio UI does not use Context Caching by default. Instead, it re-submits the entire 700k token history for every single "tur
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ESA Says Data Breach Was Limited to Servers with Unclassified DocumentsIMAGE
europeanspaceflight.com• Dec 30, 2025• 1 min read
ESA Says Data Breach Was Limited to Servers with Unclassified DocumentsThe European Space Agency (ESA) has released an initial statement regarding an alleged data breach, stating that it affected a “very limited number of science servers located outside the ESA corporate network.” On 26 December, reports began to emerge on X claiming that ESA had suffered a significant data breach, with a hacker using the […] The post ESA Says Data Breach Was Limited to Servers with Unclassified Documents appeared first on European Spaceflight.
Conventional photon entanglement reveals thousands of hidden topologies in high dimensionsIMAGE
spacedaily.com• Dec 29, 2025• 1 min read
Conventional photon entanglement reveals thousands of hidden topologies in high dimensionsLondon, UK (SPX) Dec 18, 2025 Researchers at the University of the Witwatersrand in South Africa, working with Huzhou University in China, have shown that a standard source of entangled photons used in quantum optics carries a rich set of hidden topological structures in high dimensions. They report entanglement across 48 dimensions with more than 17 000 distinct topological signatures, providing a large alphabet for encodin
Show HN: Turn Your Git Commits into TweetsIMAGE
landkit.pro• Dec 27, 2025• 1 min read
Show HN: Turn Your Git Commits into TweetsOP here. I've been trying to "build in public" recently, but I found that switching context from VS Code to Twitter/X just to write "Fixed a race condition" felt like friction. I often ended up posting nothing because translating code-diffs to human-readable text takes more mental energy than fixing the bug.I built Git to Tweet to automate this loop.How it works:It hooks into your GitHub repo (via OAuth).It pulls the metadata and diff summaries of your recent commits.It passes the diff through a specifically tuned prompt (to avoid generic "AI slop") that extracts the intent of the code change rather than just listing file names.It generates a draft that you can edit before posting.The Tech Stack:Frontend: React + Framer Motion (spent way too much time on the "terminal" animations you see on the landing page).Backend: Node.js/Supabase.LLM: Currently testing models to see which is best at understanding code context without hallucinating features.The landing page includes an interactive s