"Combining science, history, and DIY pyrotechnics, this book for the workbench warrior explains humankind's 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 Franklin's stove to Diesel's engine, explosive and fascinating tales are...

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,...

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...

Written for reasonable risk takers and suburban dads who want to add more excitement to their lives, this daring combination of science, history, and DIY projects explains why danger is good for you and details the art of living dangerously. All of the projectsfrom throwing knives, drinking absinthe, and eating fugu to cracking a bull whip, learning baritsu, and building a flamethrowerhave short learning curves; are human-focused, as opposed to technology-centric;...

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...

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...

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...

Do you have a project-assignment fron your physics teacher and do not know where to begin? Or, you have to participate in a Science Fair, and you wish to surprise everyone with a revolutionary chemistry model? Or, you simply wish to experiment with new concepts of physics, electronics, biology and chemistry? This revised book and the free CD contains 71+10 new projects on Physics, Chemistry, Biology and Electronics. The purpose of the book and CD...

¿Qué pasaría si tuviéramos que explicarle a un extraterrestre las cosas que hacemos cada día? ¿Cómo explicarle que unos tiremos comida y otros se mueran de hambre? ¿Qué les pongamos pijamas a los peluches? ¡¿Cómo explicarle lo que es una morcilla?! Exploraremos juntos un buen puñado de paradojas de nuestra vida cotidiana. Algunas tendrán una explicación razonable, otras tendrán que ver con el funcionamiento de nuestra mente, otras...

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",...