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  Ultimate Robotics Programming...

  Jonathan Cacace

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  Learn Robotics and ROS 2 with Practical Examples
  Book Description
  Robot Operating System (ROS) and Python are essential tools for developing advanced robotics applications, offering reliability and scalability for both research and industrial solutions. Ultimate Robotics Programming with ROS 2 and Python introduces readers to ROS 2 without requiring prior experience in robotics. It blends theoretical explanations with practical exercises, empowering readers to solve specific robotics problems while understanding the reasoning behind various approaches.
  The book covers a broad spectrum of robotics topics, including mobile robots, industrial manipulators, and aerial robots. These systems are simulated using the modern Gazebo simulator and programmed with ROS 2’s out-of-the-box tools and custom solutions using the ROS 2 API. The book also delves into computer vision, generative AI, and machine learning, providing hands-on examples of real-world applications.
  Table of Contents
  1. Introduction to Robot Operating System
  2. Hands-on ROS 2 Programming Using Python
  3. Supplementary Tools for ROS
  4. Robot Visualization and Simulation
  5. Writing Tests Using Pytest for ROS 2 Nodes
  6. Controlling an Inverted Pendulum with a PID Controller
  7. Laser-based Obstacle Avoidance with a Wheeled Mobile Robot
  8. ROS 2 Behaviour Trees Using Python
  9. Surveillance System Using Behaviour Trees
  10. Robot Navigation Using ROS 2 Navigation Stack (Nav2)
  11. Robot Arm Control Using MoveIt
  12. Programming Aerial Robots Using ROS
  13. Computer Vision Using ROS
  14. Object Detection Using ROS
  15. Using Large Language Models with ROS
  16. Deep Reinforcement Learning Using ROS 2       
  
  Index

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  Four Thousand Hooks - A True...

  Dean J. Adams

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  As Four Thousand Hooks opens, an Alaskan fishing schooner is sinking. It is the summer of 1972, and the sixteen-year-old narrator is at the helm. Backtracking from the gripping prologue, Dean Adams describes how he came to be a crew member on the Grant and weaves a tale of adventure that is like a novel—with drama, conflict, and resonant portrayals of halibut fishing, his ragtag shipmates, maritime Alaska, and the ambiguities of family life. 
   
   
   
  At sea, the Grant's crew teach Dean the daily tasks of baiting thousands of longline hooks and handling the catch, and on shore they lead him through the seedy bars and guilty pleasures of Kodiak. Exhausted by twenty-hour workdays and awed by the ocean's raw power, he observes examples of human courage and vulnerability and emerges with a deeper knowledge of himself and the world. 
   
   
   
  Four Thousand Hooks is both an absorbing adventure story and a rich ethnography of a way of life and work that has sustained Northwest families for generations. This coming of age story will appeal to listeners including young adults and anyone interested in ocean adventures, commercial fishing, maritime life, and the Northwest coast.

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  Paleoclimatology - Climates of...

  Mike Crawford

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  Paleoclimatology is the study of past climates, offering insights into how Earth's climate system has changed over millions of years. By examining ancient climate patterns, scientists can better understand the mechanisms driving climate change and apply this knowledge to modern and future climate predictions. Unlike modern meteorology, which focuses on short-term weather patterns, paleoclimatology reconstructs long-term climate trends using indirect evidence from natural records. 
  One of the fundamental reasons for studying past climates is to identify natural climate variability and distinguish it from human-induced changes. The Earth's climate has undergone significant shifts, from ice ages to warm interglacial periods, often driven by factors such as variations in solar radiation, volcanic activity, and changes in ocean currents. Understanding these past fluctuations helps scientists assess current climate trends in a broader historical context. 
  Reconstructing ancient climates relies on multiple sources of evidence, known as climate proxies. These proxies include ice cores, tree rings, sediment deposits, and fossilized remains, each providing valuable data about past temperatures, atmospheric composition, and precipitation patterns. Ice cores, for example, contain trapped air bubbles that reveal historical levels of greenhouse gases such as carbon dioxide and methane. Tree rings can indicate annual climate variations, with thicker rings often signifying favorable growing conditions and thinner rings reflecting harsher climates. Sediment layers from oceans and lakes provide further clues about past environmental conditions, preserving pollen, microorganisms, and mineral compositions that reflect climate changes over thousands or even millions of years.

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  Treasury of Folklore: Stars and...

  Willow Winsham

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  Following on from the hugely popular Treasury of Folklore: Seasand Rivers and Woodlands and Forests comes Treasury of Folklore: Stars and Skies, an exploration of the mysteries of the stars, skies and heavens above.
  People have gazed up at the same stars for millennia, trading stories about them; conjuring gods and goddesses; mapping the constellations; and navigating the complex human world below. The tales, traditions and myths included here traverse countries and continents and have been chosen to highlight how humans are linked through time and place, with shared dreams, fears and ways of rationalising the unknown.
  Under 'Stars and Heavens' Willow delves into rosy fingered dawn and the hubris of Icarus, the Greek myths surrounding the constellations and the omen of meteors, the trials of the Hawaiian goddess Hina and the legend of the rabbit in the moon. In the section on 'Skies' we are introduced to winged Pegasus and the Firebird, the Witch of Westray and stories of storms, the mysteries of the Northern Lights and unexplained UFOs. 
  Treasury of Folklore: Stars and Skies is a fascinating portal into a rich history of myths surrounding the sky, an aspect of the natural world that continues to fascinate and confound.

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  The Devil Takes Bitcoin -...

  Jake Adelstein, Nathalie Stucky

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  From the author of Tokyo Vice comes the wild, true story of cyber-era commerce, crime, cold-hard cash, and one of the greatest heists in history. 
   
  Even in hell, Bitcoin talks. This modern take on an old Japanese saying still holds true. Cryptocurrency was supposed to do for money what the internet did for information, but it didn't work out that way. Its virtual existence unleashed real-world chaos―especially in the homeland of its mysterious creator, Satoshi Nakamoto. Tokyo was the center of the world's largest Bitcoin exchange, Mt. Gox, until that company collapsed with nearly half a billion dollars' worth of Bitcoin gone missing. It might be the greatest heist in history. If it was a heist. 
   
  So what really happened? The Devil Takes Bitcoin tells the true story of the humble-to-hot commodity, from the former geek website that launched the boom to an inside world of absent-minded CEOs, hucksters, hackers, cybercrooks, drug dealers, corrupt federal agents, evangelical libertarians, and clueless techies. You'll discover Bitcoin's connection to the infamous Silk Road, learn why hell has nothing on Japan's criminal justice system, and get the lowdown on the high cost of betting with the Devil's dollars. All of this for less than the price of a single Bitcoin.

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  Blockchain Fundamentals -...

  Virversity Online Courses

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  This course provides a comprehensive introduction to blockchain technology, guiding learners from foundational principles to advanced applications. Students will develop a solid understanding of decentralized systems and digital assets by exploring how blockchain works and its diverse use cases.Begin by mastering core concepts such as distributed ledgers, consensus mechanisms, and cryptography. Learn about different blockchain types—including public, private, and consortium models—and discover how smart contracts automate agreements. The course examines real-world applications across industries, mining and validation processes, and the mechanisms securing blockchain networks.Gain insight into tokens, cryptocurrencies, and digital asset management while addressing challenges like scalability and emerging solutions. Explore decentralized applications (DApps), advanced security, and privacy concepts, preparing you to protect blockchain data and users effectively.Finally, investigate future trends and innovations shaping blockchain’s evolution. By course completion, you will have a strong grasp of both fundamentals and advanced topics, empowering you to engage confidently with blockchain projects or specialize further in this rapidly growing field.

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