Quantum Bits And Quantum Secrets
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Quantum Bits and Quantum Secrets
A concise, "no-frills" introduction to quantum computation and quantum cryptography for non-experts. Rather than concentrating on stories about scientists and philosophical concepts, it provides a step-by-step approach to quantum information. Starting from the idea of quantum cryptography, it presents the basic principles of quantum mechanics and explains how this can be used to make cryptography absolutely secure against eavesdropping. Subsequently, the most important quantum algorithms are explained and technical problems in realizing quantum computers are discussed, followed by a presentation of recent experiments -- some of which are found here in a textbook for the first time. Easily accessible for undergraduates and graduates -- especially those studying subjects other than physics -- who need an introduction to this rapidly developing topic.
Magnetic Mysteries: Unraveling the Secrets of the Invisible Force
Author: Pasquale De Marco
language: en
Publisher: Pasquale De Marco
Release Date: 2025-08-14
Embark on a captivating journey into the realm of magnetism, where invisible forces shape our world. Discover the rich history of magnetic discoveries, from ancient beliefs and superstitions to groundbreaking experiments and theories that revolutionized our understanding. Unravel the mysteries of magnetism as we explore the contributions of pioneering scientists like Peter Peregrinus, Hans Christian Oersted, and James Clerk Maxwell, who illuminated the intricate relationship between electricity and magnetism. Witness the evolution of magnetic science and its profound impact on various fields, including medicine, technology, and transportation. Delve into the marvels of magnetic resonance imaging (MRI), allowing us to peer inside the human body without invasive procedures. Discover the wonders of magnetic levitation, making high-speed transportation a reality. And explore the realm of magnetic data storage, which has transformed the way we store and access information. But our exploration doesn't end there. We will venture into the realm of unexplained magnetic phenomena and unsolved mysteries. Investigate magnetic anomalies and disturbances that challenge our understanding and spark our curiosity. Explore the Earth's magnetic field and its variations, guiding countless creatures in their migrations. Prepare to be captivated by the wonders of magnetism as we delve into its technological advancements and future possibilities. Witness the potential of magnetic energy harvesting and quantum computing, promising to revolutionize industries and unlock new frontiers of scientific discovery. Join us on this intellectual odyssey as we uncover the secrets of magnetism, revealing its profound influence on our lives and the universe around us. Let the mysteries of this invisible force ignite your imagination and inspire you to explore the boundless possibilities that lie ahead. If you like this book, write a review!
Secret Key Cryptography
Explore the fascinating and rich world of Secret Key cryptography! This book provides practical methods for encrypting messages, an interesting and entertaining historical perspective, and an incredible collection of ciphers and codes—including 30 unbreakable methods. In Secret Key Cryptography: Ciphers, from simple to unbreakable you will: Measure the strength of your ciphers and learn how to guarantee their security Construct and incorporate data-compression codes Generate true random numbers in bulk Construct huge primes and safe primes Add an undetectable backdoor to a cipher Defeat hypothetical ultracomputers that could be developed decades from now Construct 30 unbreakable ciphers Secret Key Cryptography gives you a toolbox of cryptographic techniques and Secret Key methods. The book’s simple, non-technical language is easy to understand and accessible for any reader, even without the advanced mathematics normally required for cryptography. You’ll learn how to create and solve ciphers, as well as how to measure their strength. As you go, you’ll explore both historic ciphers and groundbreaking new approaches—including a never-before-seen way to implement the uncrackable One-Time Pad algorithm. Whoever you are, this book is for you! History buffs will love seeing the evolution of sophisticated cryptographic methods, hobbyists will get a gentle introduction to cryptography, and engineers and computer scientists will learn the principles of constructing secure ciphers. Even professional cryptographers will find a range of new methods and concepts never published before. Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications. About the technology From the Roman empire’s Caesar cipher to the WWII Enigma machine, secret messages have influenced the course of history. Today, Secret Key cryptography is the backbone of all modern computing infrastructure. Properly designed, these algorithms are efficient and practical. Some are actually unbreakable, even using supercomputers or quantum technology! About the book Secret Key Cryptography teaches you how to create Secret Key ciphers, ranging from simple pen-and-paper methods to advanced techniques used in modern computer-based cryptography. It reveals both historic examples and current innovations. You’ll learn how to efficiently encrypt large files with fast stream ciphers, discover alternatives to AES encryption, and avoid strong-looking but weak ciphers. Simple language and fun-to-solve mini-ciphers make learning serious concepts easy and engaging. What's inside Construct 30 unbreakable ciphers Measure the strength of your ciphers and guarantee their security Add an undetectable backdoor to a cipher Defeat hypothetical ultracomputers of the future About the reader For professional engineers, computer scientists, and cryptography hobbyists. No advanced math knowledge is required. About the author Frank Rubin has been doing cryptography for over 50 years. He holds an MS in Mathematics, and a PhD in Computer Science. Table of Contents 1 Introduction 2 What is cryptography? 3 Preliminary concepts 4 Cryptographer’s toolbox 5 Substitution ciphers 6 Countermeasures 7 Transposition 8 Jefferson Wheel Cypher 9 Fractionation 10 Variable-length fractionation 11 Block ciphers 12 Principles for secure encryption 13 Stream ciphers 14 One-time pad 15 Matrix methods 16 Three pass protocol 17 Codes 18 Quantum computers