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  Blockchain - Unlocking the Power...

  Jasper Donovan

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  Unleash Blockchain's Potential and Embrace the Digital Revolution. Are you interested in technology revolutionizing industries and altering how we communicate and conduct business? Look nowhere else! The best resource for comprehending and utilizing the potential of blockchain is "Blockchain: Unlocking the Power of Blockchain- Your Essential Handbook for the Digital Revolution." 
  As you set out on a journey through the fundamental ideas, uses, and upcoming advances of blockchain, you will come to understand its almost endless potential. This book takes a deep dive into the world of blockchain and equips you with the information and insights you need to understand this revolutionary technology. 
  Blockchain is transforming various sectors, including finance, supply chain management, healthcare, energy, and more, due to its decentralized and open nature and its capacity to increase trust, security, and transparency. Discover how blockchain is changing these industries and improve your competitiveness by comprehending how it affects society, business, and government. 
  This book is a must-read if you're a business expert looking to use blockchain for innovation, an entrepreneur looking for new company opportunities, or just someone intrigued about the technology influencing our future. 
  Learn about the possibilities of smart contracts and the effects of blockchain on the financial and banking industries as well as supply chain, healthcare, and government services. Learn about the obstacles to and restrictions on the use of blockchain technology and the ethical considerations surrounding this revolutionary innovation.

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  The Last of Its Kind - The...

  Gisli Palsson

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  The great auk is one of the most tragic and documented examples of extinction. A flightless bird that bred primarily on the remote islands of the North Atlantic, the last of its kind were killed in Iceland in 1844. Gísli Pálsson draws on firsthand accounts from the Icelanders who hunted the last great auks to bring to life a bygone age of Victorian scientific exploration while offering vital insights into the extinction of species. 
   
   
   
  Pálsson vividly recounts how British ornithologists John Wolley and Alfred Newton set out for Iceland to collect specimens only to discover that the great auks were already gone. At the time, the Victorian world viewed extinction as an impossibility or trivialized it as a natural phenomenon. Pálsson chronicles how Wolley and Newton documented the fate of the last birds through interviews with the men who killed them, and how the naturalists' Icelandic journey opened their eyes to the disappearance of species as a subject of scientific concern—and as something that could be caused by humans. 
   
   
   
  Blending a richly evocative narrative with rare, unpublished material as well as insights from ornithology, anthropology, and Pálsson's own North Atlantic travels, The Last of Its Kind reveals how the saga of the great auk opens a window onto the human causes of mass extinction.

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  Peaceful Water Sounds With Deep...

  Dr. Laurence Goldman

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  Peaceful Water Sounds with Deep Forest Ambiance (Nature Sounds, Meditation, Relaxation Rivers & Babbling Brooks)Wilderness Stream is a digitally mastered audio book containing four hours of crisp clear water soundsdesigned for a power nap, meditation, and relaxation. It creates a natural atmosphere forsleep, yoga, your workplace, dinner time, morning coffee, driving, and for other special times in our life.

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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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  Homo Sapiens

  Introbooks Team

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  Around 13.5 billion years ago, energy, time, matter and space had come to be known as the phenomenon of the Big Bang. The theory of the fundamental features of the universe is referred to as physics. Around 30,000 years when these features had appeared, energy along with matter had started the coalescing into various complex structures referred to as the atoms. These then combined themselves into bigger molecules. The theory of atoms along with molecules as well as its interaction is referred to as the chemistry. Some 3.8 billion years before, on some planet known as the Earth, several molecules had combined to result in some large and well-defined structures known as the organisms. The theory of the organisms is referred to as biology. 
  Around 70,000 years before, the organisms which belonged to the group homo sapiens had started forming even larger and elaborative structures known as the cultures. The development of these cultures is known as history.

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  Introduction to Power System...

  Dr. Hidaia Mahmood Alassouli

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  Power system protection systems have three basic components: Instrument transformers, Relays, Circuit breakers
  
  The function of the CT is to reproduce in its secondary winding a current I' that is proportional to the primary current I. The CT converts primary currents in the kiloamp range to secondary currents in the 0–5 ampere range for convenience of measurement.
  
  The function of the relay is to discriminate between normal operation and fault conditions. The OC relay in Figure 2 has an operating coil, which is connected to the CT secondary winding, and a set of contacts. When |I'| exceeds a specified ''pickup'' value, the operating coil causes the normally open contacts to close. When the relay contacts close, the trip coil of the circuit breaker is energized, which then causes the circuit breaker to open.
  
  System-protection components have the following design criteria:
  • Reliability: Operate dependably when fault conditions occur, even after remaining idle for months or years. Failure to do so may result in costly damages.
  • Selectivity: Avoid unnecessary, false trips.
  • Speed: Operate rapidly to minimize fault duration and equipment damage. Any intentional time delays should be precise.
  • Economy: Provide maximum protection at minimum cost.
  • Simplicity: Minimize protection equipment and circuitry.
  
  Since it is impossible to satisfy all these criteria simultaneously, compromises must be made in system protection.
  
  The book consists from the following sections:
  1. Chapter 1: Power System Faults:
  2. Chapter 2: Instrument Transformers.
  3. Chapter 3: Overcurrent and Earth Fault Protection Relays.
  4. Chapter 4: Radial System Protection.
  5. Chapter 5: Zones of Protection.
  6. Chapter 6: Differential Relays.
  7. Chapter 7: Distance Relays.
  8. Chapter 8: Transformer Protection.
  9. Chapter 9: Generator Protection.
  10. Chapter 10: Busbar Protection.
  11. Chapter 11: Circuit Breakers.
  12. Chapter 12: Fuses.
  13. Chapter 13: References.

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