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In the last thirty years of his life Albert Einstein searched for a unified theory - a theory which could describe all the forces of nature in a single framework. But the time was not right for such a discovery in Einstein's day. Neither was the time right when, in 1988, Professor Stephen Hawking wrote A Brief History of Time in which he took us on a journey through classical physics, Einstein's theory of relativity, quantum physics and string theory in order to explain the universe that we live in. He concluded, like Einstein, that science may soon arrive at the long sought after "Theory of Everything". In this groundbreaking new work, Professor Hawking and renowned science writer Leonard Mlodinow have drawn on forty years of Hawking's own research and a recent series of extraordinary astronomical observations and theoretical breakthroughs to reveal an original and controversial theory. They convincingly argue that scientific obsession with formulating a single new model may be misplaced, and that by synthesising existing theories we may discover the key to finally understanding the universe's deepest mysteries. Written with the clarity and lively style for which Hawking is famous, "The Grand Design" is an account of Hawking's quest to fuse these different strands of scientific theory. It examines the differences between past and future, explains the nature of reality and asks an all-important question: How far can we go in our search for understanding and knowledge?
Hawking is a trade activity mostly carried out on the street or roadside and usually an option for the poor since it requires minimal capital, use of own labour. It is mainly undertaken for basic survival. Decline in growth in industrial sector, contracting civil sector, economic recession and the institution of Structural Adjustment Programmes (SAPs) among other factors have promoted the growth of hawking trade. In 2003, it contributed 13 per cent to Kenyas’ GDP and is still growing. The sector is though faced with numerous challenges in its operations such as conflicts and confrontations with the authorities, lack of recognition, eviction, unfavorable policies and regulatory frameworks, pavement use conflicts with pedestrians and formal businesses, lack of services and infrastructure among others. Previous efforts to manage and relocate the hawkers have not been successful as the hawkers have returned back to the streets. This book aims to find-out the nature of hawking trade, identify challenges and opportunities of practicing hawking, to examine policies, participatory and regulatory framework for integrating hawking in the CBD of Nairobi.
When and how did the universe begin? Why are we here? Is the apparent 'grand design' of our universe evidence for a benevolent creator who set things in motion? Or does science offer another explanation? In The Grand Design, the most recent scientific thinking about the mysteries of the universe is presented in language marked by both brilliance and simplicity. Model dependent realism, the multiverse, the top-down theory of cosmology, and the unified M-theory - all are revealed here. This is the first major work in nearly a decade by one of the world's greatest thinkers. A succinct, startling and lavishly illustrated guide to discoveries that are altering our understanding and threatening some of our most cherished belief systems, The Grand Design is a book that will inform - and provoke - like no other.
Мощность нагрева (вт): 2300 Объем заливаемой воды (л): 2.5 Постоянная подача пара (г/мин): 90 Гарантия: 2 года Страна-производитель: Китай
Мощность нагрева (вт): 2300 Объем заливаемой воды (л): 2.5 Постоянная подача пара (г/мин): 90 Страна-производитель: Китай
Тип плитки: Керамическая плитка. Применение: Ванная. Тип элемента: Бордюр. Ширина (см): 5. Длина (см): 20. Толщина (мм): 7.5. Поверхность: Матовая, Структурированная. Дизайн: Однотонный. Цвет: Синий. Количество штук в упаковке: 1