Mostrando resultados por autor "Kam Ng" en Todas las categorías

This eBook explores ancient cave paintings as one of humanity’s earliest and most enduring forms of expression. Created long before written language, these images offer a direct window into the minds, beliefs, and experiences of prehistoric societies across the world. From Europe and Africa to Asia and Australia, cave paintings reveal that artistic creativity emerged early and independently in many regions, reflecting a shared human impulse to observe, symbolize, and communicate meaning. The eBook examines what cave paintings are, when they began, and how they were made using natural ...

King Tutankhamun, the boy king of Egypt’s 18th Dynasty, remains one of history’s most fascinating figures. Ascending the throne at a very young age, his reign was marked by political maneuvering, with senior officials such as Ay guiding the kingdom while Tut served as a symbolic pharaoh. Despite his youth, he oversaw a period of restoration following the religious upheavals of Akhenaten’s rule, returning temples and traditional rituals to prominence. His life, however, was cut tragically short, leaving questions about his health, genetic conditions, and the precise cause of his death....

Egyptian mythology is a captivating exploration of a civilization’s deepest beliefs, values, and imagination. It tells the stories of gods and goddesses who are closely intertwined with nature, animals, and the forces that govern life and death, each embodying unique powers and responsibilities. From the cosmic journeys of Ra and the resurrection of Osiris to the protective and playful roles of deities like Bastet and Hathor, these myths illustrate the intricate relationship between humans and the divine, and the moral and spiritual lessons that guided everyday life. The mythology extends...

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 ...

This eBook offers a thoughtful exploration of Chinese and Egyptian mythology, comparing two of the world’s most enduring and influential mythological traditions. From the perspective of deities, religious belief, legends, and memorable episodes, the eBook examines how each culture interpreted the cosmos, human behavior, and the natural world. Chinese mythology emphasizes moral effort, human responsibility, and the restoration of balance, portraying heroes and deities as collaborators with humanity in maintaining harmony. Egyptian mythology, in contrast, emphasizes cosmic order, divine ...

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 ...

This eBook traces some of the most significant air disasters in modern history, from the fiery end of the Hindenburg airship in 1937 to the devastating attacks of September 11, 2001. Each tragedy unfolded under different circumstances—mechanical failure, miscommunication, terrorism, or human error—but all carried lessons learned that reshaped aviation as we know it. The Tenerife collision in 1977 forced the world to standardize cockpit communication. Japan Airlines Flight 123 in 1985 exposed the dangers of faulty repairs and slow rescue responses. The Charkhi-Dadri mid-air collision in ...

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 eBook on solar flares explores one of the most powerful and fascinating phenomena in our solar system. Solar flares, sudden and intense bursts of radiation from the Sun, have significant impacts on Earth's technological systems and human activities. Beginning with an in-depth explanation of what solar flares are and how they form, the eBook dives into the various types, characteristics, and features that define these solar eruptions. It highlights historical events such as the 1859 Carrington Event and modern solar flares like those in 2017, analyzing their effects on society, ...

Kryptos is more than a sculpture hidden within the grounds of the CIA—it is a story of secrecy, ingenuity, and the enduring power of human curiosity. Created by artist Jim Sanborn, with the guidance of cryptographer Ed Scheidt, it presents four encrypted passages, three of which have been solved, while the fourth, K4, continues to baffle experts and enthusiasts alike. This eBook traces the history of cryptology, explores the classical ciphers underlying the sculpture, and examines the remarkable journey of K1, K2, and K3 from mystery to solution. At the heart of the story lies K4, a 97-...

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 ...

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 ...

This eBook on maritime disasters takes readers across more than a century of human ambition, misjudgment, and resilience at sea. It begins with the Titanic, the ship once declared unsinkable, whose tragic end in the icy Atlantic exposed the dangers of overconfidence and inadequate preparedness. From there, the story moves through wartime tragedy with the Wilhelm Gustloff, where the desperation of refugees and the violence of conflict created the deadliest shipwreck in history, and continues with the Doña Paz in the Philippines, a collision that claimed thousands of civilian lives in ...

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 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, ...

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 ...

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 ...

In this eBook, we dive into the fascinating world of memory, exploring its intricate mechanisms, remarkable capabilities, and potential for enhancement. From the fundamental processes of encoding, storage, and retrieval to the neural circuits and brain regions that underlie memory function, readers will gain a comprehensive understanding of how memory works and why it matters. Drawing on insights from neuroscience, psychology, and cognitive science, we examine the factors that influence memory performance, including genetics, environment, lifestyle, and age-related changes. Through a ...

LIDAR—Light Detection and Ranging—is no longer confined to the realm of specialized scientific research. It has become a transformative technology that quietly yet profoundly shapes how we observe, navigate, and understand the world around us. In this eBook, we have explored the rich history, theoretical foundations, technical advancements, and growing applications of LIDAR in a variety of domains, ranging from autonomous vehicles and environmental monitoring to archaeology, space exploration, and smart infrastructure. We traced its evolution from early concepts of optical ranging to ...