Building an astronomical telescope offers the amateur astronomer an exciting challenge, with the possibility of ending up with a far bigger and better telescope than could have been afforded otherwise. In the past, the starting point has always been the grinding and polishing of at least the primary mirror, a difficult and immensely time-consuming process. But now that the Internet has brought us together in a global village, purchasing off-the-shelf goods such as parabolic mirrors, eyepie...

The author observes and photographs a hummingbird chasing other birds away from his bird feeder. Includes purchased photos.

This book describes the basics of the Stirling engine, as well as some of the most promising alternative models, how to go about building them and how they can be used to generate power for home use. Home power generation is not new. You can buy home generator kits and solar panels by the ton. The main problem is they cost so much. The Stirling is astonishingly easy to make and can be built from scrap or commonly found components at a fraction of the cost of a home solar kit and yet produc...

This book is best used in conjunction with the youtube videos found at youtube.com/user/RobertMurraySmith where I will be happy to answer any questions you may have. The electrochemical supercapacitor is an emerging technology that promises to play an important role in meeting the demands of electronic devices and systems both now and in the future. This book traces the history of the development of the technology, and explores the principles and theory of operation as well as giving some ...

This book is an insightful tool that provides a comprehensive understanding of solar power.  Equipped with engaging photos, graphs, and review sections, this book covers a range of topics from the basics of electricity to designing multiple types of solar electric systems.  This powerful resource delivers the education necessary to strengthen the future of clean energy.   This book has 7 easy-to-understand chapters: 1. Intro to Solar Energy 2....

The ultimate guide to engine cooling systems for peak performance.Covers basic theory and modifications; individual components such as water pump, radiator, and thermostatic control systems; and information on designing a cooling system.

Given the pace of how we harness and utilize electricity, as well as the importance of developing new sources of energy, electricity is a timely subject for kids to explore. In Explore Electricity! With 25 Great Projects, kids ages 6-9 will learn the basics of electricity: currents, circuits, power, magnetism and electromagnetism, motors and generators. They'll become more attuned to how much they rely on electricity in their daily lives. They'll also understand that while electri...

Make a geodesic dome big enough to sit in. Solve one of the world's hardest two-piece puzzles. Pass a straight line through a curved slot.From prime numbers to paraboloids, Amazing Math Projects You Can Build Yourself introduces readers ages 9 and up to the beauty and wonder of math through hands-on activities. Kids will cut apart shapes to discover area formulas, build beautiful geometric models to explore their properties, and amaze friends with the mysterious Möbius str...

PRACTICAL, PORTABLE, AND PACKED WITH UP-TO-DATE STRUCTURAL ENGINEERING FORMULASThoroughly revised with more than 300 new formulas, this compact yet comprehensive compilation puts essential data related to the design and analysis of engineering structures at your fingertips. Structural Engineering Formulas, Second Edition covers a wide range of topics, including statics, soils, foundations, retaining structures, pipes, and tunnels, and explains the use and application of ...

A comprehensive guide to engineering materials used in the workshop, for processes such as milling, welding, and lathe and bench-work. Designed for the general enthusiast or amateur engineer, Engineering Materials provides in-depth information on the functions and limitations of commonly used metals, and valuable advice on material selection. With detailed diagrams and photographs throughout, the book covers: a history of engineering materials, and the forming and behaviour of a range of f...

The best backyard experiments for hands-on science learningThe Ultimate Book of Saturday Science is Neil Downie's biggest and most astounding compendium yet of science experiments you can do in your own kitchen or backyard using common household items. It may be the only book that encourages hands-on science learning through the use of high-velocity, air-driven carrots.Downie, the undisputed maestro of Saturday science, here reveals important princ...

Principles of Tropical Air Conditioning is written with the humid tropics in mind. It is intended to meet the syllabus of the Higher National Diploma (HND) or equivalent professional examinations in Building Services Engineering. It is also designed to cover the air conditioning course content of the new Bachelor of Engineering (B. Eng) degree approved by the National Universities Commission. It is specifically focused in providing design data for tropical air conditioning system design an...