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Discover how astrophysicists map the universe. Focus on the tricky problem of calculating distances, seeing how a collection of overlapping techniques provide a "cosmic distance ladder" that works from nearby planets (by means of radar) to stars and galaxies (using parallax and Cepheid variable stars) to far distant galaxies (by observing a type of supernova with a standard intrinsic brightness).
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Taught by noted physicist Dr. Don Lincoln of the Fermi National Accelerator Laboratory, this course follows the search for a theory that explains all physical reality-a theory of everything. Dr. Lincoln covers recent developments in particle physics and cosmology, plus the background needed to appreciate the centuries-long search for this holy grail of science. Only high-school-level math is used.
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Unlike the well-founded theories you've studied so far in this series, turn to one that is as-yet-unproven -- but mindboggling in its implications. Cosmic inflation proposes that a period of explosive expansion occurred in the first instants of the Big Bang. This startling idea accounts for two puzzling features of today's universe: the observed uniformity of matter and the flat geometry of space.
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Along with Caltech physicist Mlodinow (The Drunkard's Walk), University of Cambridge cosmologist Hawking (A Brief History of Time) deftly mixes cutting-edge physics to answer three key questions-- Why is there something rather than nothing? Why do we exist? Why this particular set of laws and not some other?-- and explains that scientists are approaching what is called "M-theory," a collection of overlapping theories (including string theory) that...
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The New York Times bestseller from the author of The Order of Time and Reality Is Not What It Seems, Helgoland, and Anaximander
“One of the year’s most entrancing books about science.”—The Wall Street Journal
“Clear, elegant...a whirlwind tour of some of the biggest ideas in physics.”—The New York Times Book Review
This playful,...
“One of the year’s most entrancing books about science.”—The Wall Street Journal
“Clear, elegant...a whirlwind tour of some of the biggest ideas in physics.”—The New York Times Book Review
This playful,...
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"A physicist explains daily phenomena from the mundane to the magisterial. Take a look up at the stars on a clear night and you get a sense that the universe is vast and untouchable, full of mysteries beyond comprehension. But did you know that the key to unveiling the secrets of the cosmos is as close as the nearest toaster? In Storm in a Teacup, Helen Czerski provides the tools to alter the way we see everything around us by linking ordinary objects...
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One hundred years ago, scientists would have said that lasers, televisions, and the atomic bomb were beyond the realm of physical possibility. Here, physicist Michio Kaku explores to what extent the technologies and devices of science fiction that are deemed equally impossible today might well become commonplace in the future. From teleportation to telekinesis, Kaku uses the world of science fiction to explore the fundamentals--and the limits--of...
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"From the one of Time magazine's "100 Most Influential People in the World"-- and bestselling author of Warped Passages--an exhilarating and readable overview of the latest ideas in physics and a rousing defense of the role of science in our lives"--Provided by publisher.
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Finalist for the 2015 AAAS / Subaru SB&F Excellence in Science Book exemplify outstanding and engaging science writing and illustration for young readers
A children's instructional book on how to use readily available materials to turn the house into a science lab
Physics teacher Bobby Mercer provides readers with more than 50 great hands-on experiments that can be performed for just pennies, or less.
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Welcome to the Universe is a personal guided tour of the cosmos by three of today's leading astrophysicists. Inspired by the enormously popular introductory astronomy course that Neil deGrasse Tyson, Michael A. Strauss, and J. Richard Gott taught together at Princeton, this book covers it all--from planets, stars, and galaxies to black holes, wormholes, and time travel. Describing the latest discoveries in astrophysics, the informative and entertaining...
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"At this very moment, we are moving through space at 130 miles per second, and yet we don't notice at all. Nothing slips and falls off the kitchen table as the Earth spins, and our bodies aren't catapulted against random buildings and trees by the planet orbiting the Sun. We, and everything around us, move at the same rate, so we simply don't notice the force that propels us through space. Nor do we notice the strangest fact of all, that we and everything...
17) What Is Energy?
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Energy is the strongest force in the universe. But where did it come from? This program covers the origins of energy, energy through the ages, physical and chemical changes, and the definition of energy. We’ll also explore energy in different forms, including fire and its discovery, calorific energy, the invention of machines, petroleum, windmills, photosynthesis, the Sun, energy reserves, and mechanical, electrical, and luminous energies.
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Explores the science and history behind the Higgs mechanism in physics, which attempts to explain the source of mass, culminating in the discovery of the Higgs boson in 2012 at the Large Hadron Collider. Includes sidebars, diagrams, a glossary, resources for further information, and color photographs.