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Decoding Nineteen Years of GPS Cryptography – Bentham’s Gaze

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💥 Explore this awesome post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: The Global Positioning System (GPS) relies on its primary L1 frequency to broadcast precise timing and orbital data, allowing receivers on Earth to calculate their exact location. Because the L1 C/A signal transmits at just fifty bits per second, every bit of this navigation data must earn its place. Yet, within this highly constrained signal, the standard sets aside Subframe 4, Page 17 – a 176-bit field broadcast every 12.5 minutes – for “special messages with the specific contents at the discretion of the Operating…

Readers’ top 100 novels of all time | Fiction

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🚀 Explore this must-read post from Culture | The Guardian 📖 📂 **Category**: Fiction,Books,Culture,Fiction in translation 💡 **What You’ll Learn**: 100by Anthony PowellWilliam Wood, Alberta, Canada, 68, retired art historian: “A series of novels that concerns several specific tiers of English society in the first three-quarters of the 20th century – upper class, bohemian, military, political – with comic brio, melancholy and knowing social analyses.”=93by Hanya YanagiharaHeather, Sydney, Australia, 40, engineer: “Devastating. I never want to read this again, yet I will never forget it.”by Anthony DoerrRoger Paine, Boulder, Colorado, US, 84, retired: “History is brought fully to life in…

‘It’s not a joke’: ‘The Simpsons’ writer holds his first presidential campaign rally

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✨ Check out this awesome post from WIRED 📖 📂 **Category**: Culture,Culture / Culture News,Culture ✅ **What You’ll Learn**: On sunny On Friday afternoon in a park overlooking the Silver Lake Reservoir in Los Angeles, about 30 people — including three dressed as Uncle Sam, Darth Vader, and Elsa from... Frozen- They gathered to hear the first official speech of Dan Greaney, candidate for the 2028 US presidential election.“My fellow Americans,” Greaney began, standing on a podium in front of a row of American flags fluttering in the light breeze. After that opening, he added, "Yes, let's go with that.…

New method turns ocean water into drinking water, without waste

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✨ Read this must-read post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: The United Nations estimates that 2.2 billion people lack safely managed drinking water, and communities from California to the Middle East rely on desalination plants to convert ocean water to fresh water. Common desalination techniques, such as reverse osmosis and thermal distillation, are energy-intensive, require pre- and post-water treatment, and leave behind a concentrated saltwater byproduct called brine. The brine byproduct wreaks havoc on sea life when it’s deposited back into the ocean by raising the salt level and lowering oxygen in the water. But…

13 eco-friendly packing tips for your next vacation

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✨ Discover this insightful post from WIRED 📖 📂 **Category**: Science,Gear,Sustainable Travel 💡 **What You’ll Learn**: Your journey is environmental Your footprint begins to form before you leave the house. If you pack wisely, there's a lot you can do to reduce the negative impact travel can have on the planet. Here's a short list of eco-friendly tips to get you going.1. Use refillable toiletriesTravel-sized single-use cosmetics make traveling convenient, but they are among the most wasteful products on the market. Replace them with reusable containers that you can refill at home - it is less wasteful and more economical…

The perils of UUID primary keys in SQLite

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🔥 Explore this insightful post from Hacker News 📖 📂 **Category**: 📌 **What You’ll Learn**: 05 Jun 2026It's common to use random UUIDs as a primary key in databases. One of the known downsides of random UUIDs is that their unordered nature (UUID4) can cause a lot of extra paging for the clustered index because you are inserting rows randomly into the Btree and having to re-balance it. This post tries to help us develop a more visceral understanding of the performance cost of all that extra paging.While this post is about SQLite specifically, the problem of random UUIDs also…

This summer travel season may forever change the future of sustainable aviation fuels

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✨ Read this insightful post from WIRED 📖 📂 **Category**: Science,Sustainable Travel 📌 **What You’ll Learn**: late last year, Mark Miller, a Vancouver-based aviation analyst, bought plane tickets to bring his family of four to Rome this summer. The Millers would spend the high season in Italy hunting ancient city ruins, exploring the Vatican, and swooping down to Sardinia to experience the island's dramatic sea cliffs, white-sand beaches, and ancient limestone caves.Five months later, Miller, a CBC News commentator, watched in amazement as Iran closed the Strait of Hormuz, a crucial waterway between the Persian Gulf and the Gulf of…

The back cover of C++: The Programming Language also raises questions not answered by the front cover

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🔥 Read this awesome post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: A little while ago, we considered how the cover of the book C++: The Programming Language raises questions not answered by the cover, since the cover illustration for a book putatively about the C++ programming language shows code written in JavaScript.¹ But there’s also a question raised by the back cover. According to the blurb for the book, The topics included in it are of utmost significance and are bound to provide incredible insights to students. Some of the diverse topics covered in this text…

How Civic Sciences aims to preserve places that bring tourists to study

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🔥 Check out this must-read post from WIRED 📖 📂 **Category**: Science,Sustainable Travel 💡 **What You’ll Learn**: In depth The Peruvian Amazon, Tamchiaco Tahuyu Regional Conservation Area, is characterized by enormous biodiversity – pink dolphins, rare monkeys, giant river otters, reptiles, hundreds of birds and different species of plants. It is also one of the most prominent examples of the government realizing that preserving the environment does not require turning people away. Instead, it is possible for humans to coexist with nature and help protect it.The area's protected status is supported in part by research conducted by tourists.Biologist Richard Bodmer…

S&P 500 rejects SpaceX, also blocking entry for OpenAI and Anthropic

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💥 Explore this trending post from Hacker News 📖 📂 **Category**: 💡 **What You’ll Learn**: But in its final decision, the S&P Dow Jones Indices stated that “no changes will be made to the eligibility criteria including financial viability screens, seasoning period, or minimum IWF.” Even after the standard yearlong wait, SpaceX, Anthropic, and OpenAI may struggle to deliver the consistent profitability necessary to qualify for the S&P 500. Money rules and exceptions Swift entry into the S&P 500 would have triggered $14 billion of passive fund buying for SpaceX, according to Bloomberg Intelligence. The investment research arm of Bloomberg…