Electronic navigation systems are extremely reliable but when they do fail onboard repair at sea is rarely possible. Also, their operation depends on a continuous supply of electricity. Should this fail they will stop and unexpectedly lacking the means of position finding, chart plotting and route planning how can the modern navigator...

The theory of relativity stands out as one of the greatest achievements in science. The “special theory”,which did not include gravity,was put forward by Einstein in 1905 to explain many troubling facts that had arisen in the study of electricity and magnetism. In particular, his postulate that the speed of light in vacuum is the...

CD Features 200 Practice...

More than a million years ago, the ancestors of...

Featuring step-by-step instructions and useful photos and illustrations, this hands-on guide is filled with solar energy solutions you can put to use right away. Solar Power for Your Home shows you how to set up a variety of simple, money-saving solar projects quickly...

One of the most mysterious areas of information security is industrial system security.
No other area of information security contains that many myths, mistakes, misconceptions
and outright lies. Information available online, while voluminous, will
only lead information security professionals and industrial systems...

Grid Computing was a vision of using and sharing computers and data in the early 1990s. The integration, coordination, and sharing of computer resources which are geographically disperse among different physical domains and organizations became an every day reality. This emerging infrastructure aims to provide a mechanism for sharing...

Late last year, in 2008, I was fi nishing work on another book called Electricity for the Entertainment Electrician & Technician when Danielle Monroe, one of the many wonderful people at Focal Press, sent me an email. Almost as an afterthought—one of those oh-by-the-ways—she mentioned that we should start work on...