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A lo largo de los años, la gente ha buscado formas de mejorar nuestra visión imperfecta. Esto nos ha llevado al mundo de la óptica, que es el estudio de la luz y cómo viaja. ¿Cuáles son algunas de estas innovaciones que han cambiado la forma en que vemos el mundo y cómo funcionan? ¡Encuentre las respuestas a estas preguntas con este texto informativo del Smithsonian! Creado en colaboración con la Institución Smithsonian, este texto desarrolla...
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Cuando se trata de cartografiar la Vía Láctea, los científicos saben una cosa con certeza. ¡Saben que todavía hay muchas cosas que no saben! Descubra cómo estudian la Vía Láctea y aprenda sobre la galaxia que llamamos hogar. Creado en colaboración con la Institución Smithsonian, este Texto Informativo del Smithsonian desarrolla las habilidades de lectura de los estudiantes mientras despierta su curiosidad sobre temas de STEAM a través de...
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In this deeply original book, science writer Anil Ananthaswamy sets out in search of the telescopes and detectors that promise to answer the biggest questions in modern cosmology. Why is the universe expanding at an ever faster rate? What is the nature of the "dark matter" that makes up almost a quarter of the universe? Why does the universe appear fine-tuned for life? Are there others besides our own? Ananthaswamy soon finds himself at the ends of...
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Culling common household items to create an uncommon arsenal of miniature gadgets and side arms, this guidebook provides do-it-yourself spy enthusiasts with 35 different surveillance tools and weapons. From a mini-catapult in a breath-mint tin to milk-jug cap blow-dart wristwatches, this handbook details how to achieve clandestine ends practically and inexpensively. In addition to creating weapons such as periscopes, bionic ears, and grappling hooks,...
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Science, as we all know refers to a body of knowledge itself, of the type that can be rationally explained and reliably applied. Science is a unique combination of Theory and Practice. A thorough knowledge of this subject is almost impossible without proper practical demonstrations which are also termed as Scientific Activities or Projects. In this book, 71+10 Science Activities, the author has taken up the simple facts and principles of Science,...
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This book is ideal for high school & engineering students as well as hobbyists who have just started out building projects in Electrical and Electronics fields. The book starts with electrical and electronics fundamentals necessary for execution of projects. The basic knowledge is introduced first followed by a schematic diagram, components list and the theory behind the project to be performed is given. The projects have been divided into three segments...
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In this revised and expanded edition, William Gurstelle shows ordinary folks how to build a dozen fun and impressively powerful launchers with inexpensive household and hardware store materials. This new edition includes three new projects along with diagrams, photographs, and fascinating science information. With a strong emphasis on safety, the book also gives tips on troubleshooting and describes each machine's historical origins as well as the...
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En este volumen se recogen 202 preguntas y respuestas sobre distintas disciplinas científicas (química, física, tecnología, biología, etc.). Todo fácil pero exacto. Los libros de Javier Fernández Panadero tienen como objetivo la divulgación científica de forma comprensible para cualquier persona, independientemente de su formación previa.
Está especialmente pensado para niños y jóvenes de edades comprendidas entre los 10 y 16 años....
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From the author of Backyard Ballistics comes this new DIY handbook on building cannons and other fun things that shoot, from wiffle ball launchers and beverage bottle bazookas to super-powered water guns and model culverins. It combines military history and physics with do-it-yourself projects. Now ordinary folks can construct a dozen awesome artillery devices in their garage or basement workshops using inexpensive household or hardware store materials...
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En este libro se exponen con gran detalle diez experimentos que supusieron un cambio radical en las teorías físicas y científicas, partiendo de lo ocurrido a finales del siglo XIX y finalizando a finales del siglo XX.Estos experimentos se describen primero centrándose en el problema que provocó la prueba de ese mismo aparato experimental, luego describiendo la solución encontrada y finalmente exponiendo las consecuencias.
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The Magical Word of Science focused on children mainly between 9-15 years old, who like to do simple experiments and experience the wonders of Science. The book contains 100 experiments that can be easily done at home, which enables children to better undertstand the phenomena of physics, chemistry and biology. The experiments can be easily done by using simple things found in the home. The tasks in the book can be divided into three categories based...
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With the advent of modern household products and office supplies binder clips, clothespins, rubber bands, ballpoint pens, toothpicks, paper clips, plastic utensils, and matches and barbeque lighters troublemakers of all stripes have the components needed to build an impressive, if somewhat miniaturized, arsenal. Detailed, step-by-step instructions for each project are provided, including materials and ammo lists, clear diagrams, and construction tips....
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Este libro tiene como objetivo la divulgación científica de forma comprensible para cualquier persona, independientemente de su formación previa. Está especialmente pensado para niños y jóvenes de edades comprendidas entre los 10 y 16 años y recoge un amplio espectro de temas de interés, como son la Tierra, el cuerpo humano, la biología, la física y química, la tecnología o las matemáticas.
Javier Fernández Panadero es licenciado en...
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Más allá de opiniones y teorías, el experimento es el que nos da la clave sobre qué es cierto y qué no. Una vez más, con su estilo riguroso y divertido, Javier Fernández Panadero te propone con este libro un desafío: TÚ serás el que llegue al resultado.
¿Cuánto peso aguanta un pelo? ¿Cambia mi altura durante el día? ¿Cómo sacar ventaja en un examen tipo test?
Mide, calcula, estima, comprueba y decide. Esta es la varita mágica con...
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Author and toy designer John Austin provides detailed, step-by-step instructions with diagrams to show stealth warriors how to build 37 different ninja weapons for the modern era. Each of the projects in Mini Weapons of Mass Destruction 4 are built from common household and office items plastic utensils, markers, clothespins, paper clips, wire hangers, and discarded packaging all clearly detailed on materials lists. Builders are offered a variety...
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Utilizing easy-to-find and inexpensive materials, this handy resource teaches desktop warriors how to build a multitude of medieval siege weapons for the modern era. Novice combatants will learn to build 35 defense weapons, including a marshmallow catapult, a chopstick bow, a bottle cap crossbow, and a clothespin ballista. In addition to beefing up their Dark Age arsenal, would-be warriors are provided with a number of targets on which to practice...
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Combining science, history, and DIY pyrotechnics, this book for the workbench warrior explains humankinds most useful and paradoxical tool: fire. William Gurstelle, author of the bestselling Backyard Ballistics, presents 25 projects with instructions, diagrams, photos, and links to video demonstrations that enable people of all ages to explore and safely play with fire. From Franklins stove to Diesels engine, explosive and fascinating tales are told...
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A man's home is his castle, or so the saying goes, but could it withstand an attack by Attila and the Huns, Ragnar and the Vikings, Alexander and the Greeks, Genghis Khan and the Mongols, or Tamerlane and the Tartars? Backyard Ballistics author William Gurstelle poses this fascinating question to modern-day garage warriors and shows them how to build an arsenal of ancient artillery and fortifications aimed at withstanding these invading hordes. Each...
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La Ciencia va más allá de lo que se hace en los laboratorios. La Ciencia trata de cómo funciona tu cuerpo y el mundo que te rodea. Y en este libro te proponemos convertir tu mundo en un laboratorio en el que podrás hacer más de setenta experimentos sencillos, divertidos, que podrás disfrutar en compañía y te permitirán entender mejor la mágica Ciencia que aparece en cada rincón del Universo. Para que puedas experimentar en tu propio "laboratorio",...
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Perfect for the do-it-yourselfer, this handy guide to household electronics gives the weekend workbench enthusiast a multitude of ideas on how to salvage valuable parts from old electronics and turn them into useful gadgets once more. This handbook is loaded with information and helpful tips for disassembling old and broken electronics. Each of the more than 50 deconstruction projects includes a treasures cache of the components to be found, a required...
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