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Quantum theory confronts us with bizarre paradoxes which contradict the logic of classical physics. At the subatomic level, one particle seems to know what the others are doing, and according to Heisenberg's "uncertainty principle", there is a limit on how accurately nature can be observed. And yet the theory is amazingly accurate and widely applied, explaining all of chemistry and most of physics. Introducing Quantum Theory takes us on a step-by-step tour with the key figures, including Planck, Einstein, Bohr, Heisenberg and Schrodinger. Each contributed at least one crucial concept to the theory. The puzzle of the wave-particle duality is here, along with descriptions of the two questions raised against Bohr's "Copenhagen Interpretation" - the famous "dead and alive cat" and the EPR paradox. Both remain unresolved.
Since the dawn of time, men have gazed at the stars and attempted to chart the heavens. In this book, astrophysicist Joe McEvoy tells the story of this eternal striving to uncover the mysteries of the universe.
LIFE Magazine is the treasured photographic magazine that chronicled the 20th Century. It now lives on at LIFE.com, the largest, most amazing collection of professional photography on the internet. Users can browse, search and view photos of today’s people and events. They have free access to share, print and post images for personal use.
Eclipse d20 lets you build the game and characters you want, the way you want them. With completely personalized classes, hundreds of new and expanded abilities to cover every special power, and vastly expanded Turning, Bardic, Proficiency, and Martial Arts techniques you'll never need prestige classes or books of feats again! Customizable magic, expanded Metamagic, and new systems - Hexcraft, the Dragon Path, Ritual and Rune Magic, Thaumaturgy, Dweomer, Theurgy and Witchcraft - allow for endless unique worlds and casters. Disadvantages, Motivations, Ethics, Divine Patronage, and campaign-based limits on exotic powers to add depth to characters and worlds. Race and Template design, alternative Epic Magic, Dominion and Divine Ascension, and World Laws for fantasy, modern, future, cyberpunk, superhero, historical and other settings all fully compatible with the 3.0, 3.5, Modern, Future and other d20 rule sets. Give your characters unlimited options!
The 126 poems in this superb collection of 19th- and 20th-century British and American verse range from the impassioned "Renascence" of Edna St. Vincent Millay to Edward Lear's whimsical "The Owl and the Pussycat."nbsp; Famous poets such as Wordsworth, Tennyson, Whitman and Frost are well-represented, as are less well-known poets.
Energy production and storage are central problems for our time. In principle, abundant energy is available from the sun to run the earth in a sustainable way. Solar energy can be directly harnessed by agricultural and photovoltaic means, but the sheer scale of the energy demand poses severe challenges, for example any major competition between biomass production and food production would simply transfer scarcity from energy to food. Indirect use of solar energy in the form of wind looks also promising, especially for those regions not blessed with abundant sunlight. Other modes such as tidal and wave energy may well become important niche players. Inorganic chemistry plays a decisive role i...
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Introducing Stephen Hawking is a brilliantly conceived introduction to Hawking's work, ranging from Einstein's Theory of Relativity to Black Holes and the Big Bang. It also explains Hawking's research into Quantum Gravity, which could emerge as a Theory of Everything.
This is a wide scope and in-depth coverage of the state of the art and future directions in drug discovery for major psychiatric disorders.
This is the final volume of a 3-volume history of solar power generating systems covering the approximately 50 years of research and development surrounding the energy crisis of 1973. Volume 1 focused on solar-thermal systems and the second volume on photovoltaic systems in the 20th century. Volume 3 covers photovoltaic developments from the start of the 21st century. The history is based upon keynote lectures given by international specialists at the Sede Boqer Symposia on Solar Electric Power Production, a series that commenced in 1986. The lectures document many technical details that have become hard to find, including some pertaining to technologies that were successfully demonstrated but subsequently discontinued owing to their not having been deemed to be cost-effective at the time. However, in the event that different economic considerations may ensue, these volumes can provide a valuable starting point, including references, for the re-investigation of some of those once abandoned ideas.