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  Into the Abyss - The Science of...

  Dirk Fallon

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  Dark space, a term that captures the vast and mysterious regions of the universe that remain elusive to the human eye, is one of the most fascinating and perplexing subjects in modern astronomy and physics. It refers to the areas of space that are largely empty or seem devoid of matter, yet are crucial to our understanding of the cosmos. Unlike the stars, planets, and galaxies that illuminate the night sky, dark space is often invisible to our telescopes and our senses. This absence of light and matter doesn’t mean that dark space is inactive or devoid of interest. On the contrary, dark space is full of hidden forces and phenomena that scientists are only beginning to understand. It holds the secrets to some of the most fundamental questions about the universe's structure, its origins, and its ultimate fate. 
  The origins of dark space can be traced back to the very beginning of the universe. When the Big Bang occurred, it led to the creation of matter and energy. However, the universe didn’t begin with the stars and galaxies that we are familiar with today. Instead, it started as a hot, dense point that rapidly expanded. As the universe cooled, matter began to condense and form structures, such as galaxies, but there was also a significant amount of empty space that remained. This space, often referred to as "dark" because it contains little to no visible matter, is not empty in the sense that it is void of energy. Instead, it is filled with forces and substances that we cannot see directly. 
  One of the key aspects of dark space is the presence of dark matter, a mysterious substance that makes up a large portion of the universe’s total mass. Although dark matter cannot be directly observed, its presence is inferred from its gravitational effects on visible matter.

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  Gunpowder and the Printing...

  Editors Charles River

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  In addition to the wheelbarrow, the seismograph, the waterwheel, deep drilling, suspension bridges, and ship rudders, among countless other life-changing contraptions, the Chinese developed what were later dubbed the “Four Great Inventions of China.” Two of those were gunpowder and printing, which both spread through South Asia and the Middle East before making it to Europe.  
  For a time, gunpowder was a mere curiosity, but its destructive power and military potential would be realized quickly. The first record of a cannon in Europe comes from a manuscript written in 1326, which has an illustration showing an armored man with what looks like a slow match lighting a vase-shaped object. This crude cannon was called a pot de fer in French and vasi in Italian. While medieval engineers developed new types of cannons and explosives capable of destroying walls and castles, others were making the first handguns possible. European sources first mentioned the widespread use of handgonnes, as they were often called, in the late 14th century, precisely the time when gunpowder became cheaper.  
  	The history of printing was for ancient Asia an advancement in culture and communication, but for Europe in the 15th century, it was much more, plunging the continent into a new paradigm and aligning it for the modern world. Its importance is often overlooked, but the timeliness of the printing machine was equivalent to the invention of alphabets in antiquity and ranks up there with the digital revolution and the introduction of the internet. Put simply, it made the Renaissance possible and led to the modernization of Europe. Based on earlier Asian principles, Johannes Gutenberg’s movable type printing press propelled an industry that led to the education of the West and ultimately removed the tight grip of the Vatican from daily European life. 

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  AI-Assisted Programming - Better...

  Tom Taulli

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  Get advice on how to leverage AI development tools for all stages of code creation, including requirements, planning, design, coding, debugging, testing, and documentation. With this book, beginners and experienced developers alike will learn how to use a wide range of tools, from general-purpose LLMs to code-specific systems. You'll also learn about more specialized generative AI tools for tasks such as text-to-image creation. Tom Taulli provides a methodology for modular programming that aligns effectively with the way prompts create AI-generated code. This guide also describes the best ways of using general purpose LLMs to learn a programming language, explain code, or convert code from one language to another. 
   
   
   
  This book examines: the core capabilities of AI-based development tools; pros, cons, and use cases of popular systems such as GitHub Copilot and Amazon CodeWhisperer; ways to use ChatGPT, Gemini, Claude, and other generic LLMs for coding; using AI development tools for the software development lifecycle, including requirements, planning, coding, debugging, and testing; prompt engineering for development; using AI-assisted programming for tedious tasks like creating regular expressions, starter code, object-oriented programming classes, and GitHub Actions; and how to use AI-based low-code and no-code tools, such as to create professional UIs.

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  Physician Heal Thy Financial...

  Jill Arena

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  Achieving Mastery Over the Finances of Your Practice Do you lay awake at night wondering if your practice is doing well financially? Are you concerned about your reimbursement? Are you thinking that your group could be doing better, but it feels like you’re missing something? Want a big piece of new equipment or an expansion, but not sure it will pencil out? Or, do you shudder every time a financial question comes up? If you answered yes to any of those questions, this book is for you. Walk through this concisely written executive summary of how to manage the finances of your practice in just a few hours a month. Get up to speed on which financial reports to run, how to analyze them quickly, and how to be sure that your cash and other assets are safeguarded. Utilize the Real World Work at the end of each chapter to break it down into manageable and understandable pieces. Take control of your practice finances once and for all.This book is a must-read for any physician owner or leader. Jill skillfully breaks it all down in her easy, conversational style as she demystifies many of the financial tools and building blocks to show you how to run your business successfully and how to achieve mastery over the finances of your practice.

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  Space to Grow - Unlocking the...

  Matthew Weinzierl, Brendan Rosseau

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  Space is a place of unparalleled possibility for humanity, and it's undergoing a revolution. A wave of companies led by gutsy entrepreneurs are unlocking opportunities that fire the imagination. No, it's not hotels on Mars or day trips to orbit (yet), but it's an awe-inspiring transformation driven by innovative technologies, creative approaches, hard work, and—for the first time—market forces. Above all, this revolution is uncovering the simple but unfamiliar truth that space is a place: a place where countries, markets, and each of us can play a vital role in realizing some of our biggest, boldest dreams. 
   
   
   
  But we won't succeed through dreams alone. The space economy is just that—an economy—governed by the same laws of supply and demand that apply here on Earth. The authors, who teach a highly popular course on the topic at Harvard Business School, bring the revolution in space to life through players you know—like SpaceX and Blue Origin—and many you may not, like Astroscale, founded by a Japanese IT executive who quit his job to start a company to clean up space debris. They also bring to bear fundamental tools from economics to understand how the market in space is forming, how it's fast becoming a source of value for businesses across industries and for society as a whole, and how we can best ensure that its growth benefits us all.

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  Miner's Day

  B. L. Coombes

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  Miner's Day is a testament to coal mining communities in the mid-twentieth century. First published by Penguin Books as a slim paperback in 1945, it married a reflective text by Britain's outstanding miner-writer, B. L. Coombes, to illustrations by the artist Isabel Alexander.
  The original text is now republished in a generous new format with a substantial introduction and the full wealth of images that Isabel Alexander made in an extended project to document people and places in the South Wales coalfield – a unique addition to the visual representation of mining communities.
  Bert Coombes in words and Isabel Alexander in images each aimed to reveal the layered reality of coal-mining communities to a distant public. They documented both work below ground and devastated environments above. They described the lives not just of working men but women, children and older people too. They saw poverty and despair but also love, hope and even humour. The South Wales they captured echoes similar communities across the world and evolving global challenges to health, work and environment. Miner's Day is as relevant now as it was in 1945.

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