Machinery category: 869 books

Make a battery of mini-launchers designed to fling small objects safely. All you need are everyday items and some adult help. Then take aim and launch! Make several and use them on your own medieval battlefield. Bite-sized facts explain how these small launchers have been used through history too!

Find out how tools have helped people hunt, build, and make life easier in this engaging nonfiction reader. With colorful images, timelines, charts, a glossary to assist with vocabulary improvement, and an index, children will learn how tools throughout time have made such an important impact on life as we know it! Featured eras include the Stone Age and the Industrial Revolution.

The 21st Century Junior Library Women Innovators series highlights the contributions of women to STEM fields. Margaret Knight and the Paper Bag examines the life of this important woman and her contributions to the modern paper bag. Sidebars encourage readers to engage in the material by asking deeper...

Construction equipment has long been a favorite of little readers and D is for Dump Truck takes children on an A to Z exploration of a fun backyard construction site. With bouncy poems for each letter and a glossary in the back, this book brings the thrill of construction up close and personal.

This book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides....

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to six simple machines and explains how they use force and motion to do work. Not every toy is a technological...

Learn how important data analysis is to crime scene investigations! Investigators examine data from fingerprints, blood samples, DNA samples, and lie detector tests to analyze and interpret crime scenes. This exciting title provides readers with engaging examples of data analysis and probability....

In 1922, when Joseph-Armand Bombardier was fifteen years old he built his first snow vehicle. He had always loved to tinker with motors and make things go, and he dreamed of building a vehicle that could go over snow. His first attempt, using a Model T Ford engine and a wooden propeller, worked well....

From the literature it has been found out that optimization is done on MIG welding process parameters   AA 5456 weldments using DOE. Taguchi is used mostly in all optimization process. The main objective of this work is to optimize the MIG welding Process parameters on AA 6061 to yield maximum ultimate...

Join the Stickmen on a fascinating tour of monster vehicles, transporters, and construction tools. You'll discover some of the largest machines in existence and see the Stickmen (accidentally) test the limits of gravity!

It's 1888 and Bertha Benz's husband, Karl, has invented the prototype Benz motorwagen. But the German government declares the vehicle illegal, and the church calls it the devil's work. Unbeknownst to her husband, Bertha steals away with her two sons and drives nearly one hundred miles to prove just...

In this venture a Bubble-Type humidification technique is utilized as a part of a PEM energy unit examination to enhance the effectiveness of the framework and the life time of the film is made strides. It likewise expands the dampness content in the layer and influences the reactant to gas stream...

What do construction workers do? Some lucky kids are about to find out! They visit Mr. Moore, a construction worker who's helping to build a new school. He shows them machines that dig big holes. He explains how he follows the building plans. And he tells about different workers and how they stay safe. Hooray for construction workers!

A look at some of the most amazing elevators in the world. Addresses the obstacles of construction, the impact on society, and the science of engineering such superstructures.