Showing results by author "Kam Ng" in All Categories

This eBook explores the fascinating world of secret codes and the art of deciphering, a field that blends history, mathematics, language, and human ingenuity. From the earliest known codes to the sophisticated encryption systems of modern times, it traces the evolution of secrecy and the methods developed to protect and uncover hidden messages. Readers learn about the characteristics of codes, how they work, and the processes used to encode and decode information, with attention to some of the toughest ciphers ever created—like the Enigma machine, the Navajo code talkers’ oral codes, ...

In June 2023, the world watched as the Titan submersible vanished during a dive to the wreck of the Titanic. Days later, search teams discovered the unthinkable—Titan had suffered a catastrophic implosion, ending the lives of all five aboard. The tragedy gripped global headlines, sparked intense debate, and left many questionings how such a disaster could have happened in an era of advanced engineering and safety standards. This eBook tells the full story of Titan: its bold but unconventional design, the risks that were overlooked, and the leadership decisions that shaped its fate. It ...

Healthy living is built on four interdependent elements—exercise, a balanced diet, rest, and relaxation—each working in harmony to sustain both body and mind. This eBook explores how these foundations intertwine to form a complete picture of wellness. Exercise strengthens the body, enhances endurance, and stimulates the brain through improved circulation and neurogenesis. Whether it is walking, swimming, or practicing Tai Chi, physical activity keeps the body agile, sharpens cognitive function, and uplifts the spirit. A balanced diet nourishes this foundation. It is not about rigid ...

Tattoos are far more than decorative marks on the skin—they are a rich and evolving form of human expression that bridges art, culture, and personal identity. From ancient practices to modern artistry, tattoos have served as symbols of spirituality, social status, resilience, and individuality. Their history spans continents and centuries, from the tribal patterns of Polynesia to the intricate irezumi of Japan, to the bold designs of Western sailors and contemporary tattoo culture. Today, tattoos continue to inspire people around the world, embraced for their ability to tell personal ...

The story of superconductivity is one of human curiosity, persistence, and the relentless drive to understand nature at its most fundamental level. From Heike Kamerlingh Onnes’ first discovery of zero-resistance in mercury over a century ago to the high-temperature breakthroughs of Bednorz and Müller, the field has continually pushed the boundaries of physics, revealing phenomena that are at once strange and profoundly beautiful. Superconductors, materials that allow electricity to flow without resistance, have captivated scientists not just for their theoretical elegance but also for ...

Autism, or autism spectrum disorder (ASD), is a complex neurodevelopmental condition that manifests in diverse ways across individuals, encompassing variations in communication, behavior, sensory processing, and social interaction. It is not a single disorder but rather a spectrum that ranges in severity and expression, reflecting the uniqueness of each person affected by it. The eBook explores autism from multiple perspectives—scientific, emotional, social, and familial—emphasizing that autism is not a disease to be cured, but a difference to be understood and supported. Since 2013, ...

This eBook brings together the science, history, and global experience needed to understand how rising seas are reshaping the Earth and why societies must prepare for a different coastal future. It begins with a clear picture of what sea-level rise is and why it matters, tracing its long record from tide gauges and satellite measurements to the modern acceleration driven by warming oceans and shrinking ice sheets. Short-term, mid-term, and long-term trends are examined, helping readers grasp how much change is already locked in and where uncertainty remains. The eBook explains the uneven ...

This eBook explores the life, achievements, and legacy of Sir Isaac Newton, one of the most influential scientists in history. From his early years as a curious and independent thinker to his groundbreaking contributions in mathematics, physics, and astronomy, Newton's work revolutionized the scientific world. Known for his formulation of the laws of motion and universal gravitation, Newton's theories not only laid the foundation for classical mechanics but also altered our understanding of the universe itself. The eBook dives into Newton’s significant inventions, such as the reflective ...

The story of the Neanderthals is one of complexity, resilience, and humanity. Once thought of as primitive and brutish, modern science has revealed a species far more sophisticated and capable than early stereotypes allowed. The Neanderthals were not mere survivors of the Ice Age—they were masterful hunters, skilled toolmakers, and adaptive beings whose lives intertwined with the rhythms of the harsh Pleistocene world. Their robust, muscular bodies, shorter limbs, and barrel-like chests were perfectly designed to conserve heat, while their large cranial capacity—often greater than that ...

This eBook offers a comprehensive view of sinkholes in the United States, bringing together the science, history, engineering concerns, and societal impacts of a hazard that remains both familiar but poorly understood. It begins by explaining what sinkholes are and why they matter, tracing their origins to natural processes in karst terrain and, in many cases, to human activity that disturbs the delicate balance of groundwater and subsurface stability. The narrative follows the dissolution of limestone, the creation of underground voids, and the eventual collapse that can appear without ...

The Large Hadron Collider (LHC) stands as one of humanity’s most ambitious scientific endeavors, pushing the boundaries of our understanding of the universe. Located at CERN in Switzerland, the LHC is the world’s largest and most powerful particle accelerator. It is designed to smash atoms together at unprecedented speeds, creating conditions like those just after the Big Bang. This monumental effort has allowed physicists to explore the fundamental building blocks of matter, with groundbreaking discoveries such as the Higgs boson providing vital confirmation of the Standard Model of ...

This eBook provides an overview of forensic science, exploring its principles, methodologies, and applications in solving crimes and uncovering the truth. From the origins of forensic science to its modern-day advancements, readers will discover the fascinating history and evolution of this dynamic field. Dive into the diverse disciplines within forensic science, including DNA analysis, fingerprinting, digital forensics, forensic anthropology, and more, as we explore the tools and techniques used by forensic scientists to investigate crimes and analyze evidence. Learn about the ethical, ...

Embroidery, a timeless art form, embodies cultural heritage and artistic expression across the globe. In China, embroidery has a rich history spanning millennia, with styles like Su, Xiang, Yue, and Shu showcasing intricate techniques and symbolic motifs. These regional embroideries reflect social, economic, and artistic influences, captivating with their meticulous craftsmanship and aesthetic beauty. Beyond China, embroidery flourishes in diverse forms and traditions. From the luxurious French haute couture to the vibrant Mexican and intricate Indian styles, each culture infuses embroidery...

William Shockley’s story is one of extraordinary brilliance intertwined with human complexity, that spans groundbreaking invention, intense personal quirks, and controversial ideas. Born in 1910, Shockley showed signs of remarkable intellect from a young age, though his early life was marked by emotional intensity and unusual behavior. He rose through rigorous formal education in physics and electrical engineering, eventually joining Bell Labs, where he would make his most enduring mark on history. At Bell Labs, Shockley, along with John Bardeen and Walter Brattain, invented the ...

Sigmund Freud remains one of the most influential and controversial figures in the history of psychology. His groundbreaking theories on the unconscious mind, psychoanalysis, dream interpretation, and human development transformed the way people understand behavior, personality, and mental health. Freud’s belief that much of human action is driven by unconscious desires challenged conventional wisdom and laid the foundation for modern psychotherapy. His ideas about repression, defense mechanisms, and the structural model of the mind—dividing it into the id, ego, and superego—became ...

The world of ancient artifacts is full of surprises, and this eBook takes the reader on a journey through some of the most curious and enigmatic objects ever uncovered. From the earliest known megalithic constructions to pre-Columbian treasures, each item offers a glimpse into the ingenuity, artistry, and sometimes the mysteries of past civilizations. The Göbekli Tepe calendar challenges assumptions about the dawn of human architecture and astronomical knowledge, while the Ubaid lizardmen statues and Sanxingdui masks hint at symbolic and ritualistic worlds long forgotten. Objects like the ...

Alexander Fleming’s life and work stand as one of the most remarkable chapters in the history of medicine. Born to a modest Scottish farming family, Fleming grew from quiet beginnings into a figure who would forever change the way humanity fights disease. His early medical career was marked by curiosity about how the body defends itself, leading him to the discovery of lysozyme, a natural antibacterial enzyme, and studies on antiseptics that shaped his thinking about infection. These experiences prepared him for his most famous moment in 1928, when he noticed that a stray mold had killed ...

This eBook dives into the intricate facts of microbial life and its profound impact on our planet. Through engaging dialogue, readers are taken on a journey to discover the diverse roles and functions of bacteria, viruses, fungi, archaea, and protists. From the basics of microbial classification and characteristics to the latest research challenges and future directions, the eBook covers a wide range of topics in microbial science. Readers will explore the ecological roles of microbes, their pros and cons, and their contributions to bioengineering, technology, and medicine. The eBook ...

Frank Whittle’s story is the tale of a single brilliant mind whose vision reshaped the skies and launched the Jet Age. From his early days as a young Royal Air Force cadet in the 1920s, he showed a rare combination of technical insight and determination, seeing possibilities in engine designs that no one else could. Against skepticism, limited funding, and bureaucratic inertia, he pursued the radical idea of a gas turbine that could propel an aircraft without propellers. His invention of the turbojet engine, realized through relentless experimentation at Power Jets, transformed aviation ...

The Dead Sea Scrolls remain one of the most remarkable archaeological and textual discoveries of the twentieth century, offering a rare window into the religious, cultural, and intellectual life of ancient Judaism. Hidden in the caves of Qumran for over two thousand years, these manuscripts illuminate the diversity, complexity, and devotion of a community grappling with questions of faith, law, and divine destiny. The scrolls include the oldest surviving copies of biblical texts, alongside unique sectarian writings, hymns, and commentaries, revealing a world where multiple interpretations ...