Digital transmissions are rapidly supplanting analog transmissions in both amateur and commercial radio communications. Digital radio transmissions offer many inherent advantages. Digital techniques allow virtually noise-free transmission of data, messages, control commands, sounds and images to be achieved. Digital transmissions allow...

Every mathematician (beginner, amateur, and professional alike) thrills to find simple, elegant solutions to seemingly difficult problems. Such happy resolutions are called ``aha! solutions,'' a phrase popularized by mathematics and science writer Martin Gardner. Aha! solutions are surprising, stunning, and scintillating: they reveal the beauty...

A 2009 Game Developer Magazine Front Line Award Finalist, this book covers both the theory and practice of game engine software development, bringing together complete coverage of a wide range of topics. The concepts and techniques described are the actual ones used by real game studios like Electronic Arts and Naughty Dog. The examples are...

"Brilliant! There has been an unfilled market for this type of book. . . . Happily, this book . . .is by a wide margin the best reference now available . . . The book is very well written. It has a light, almost breezy style that is mixed with a subtle yet attractively understated British wit. It is above all a great read that is hard to...

Used by everyone from engineers and architects to interiordesigners and draftspeople, AutoCAD 2013 is the world’sleading 2D and 3D technical drawing program. But, with so manyoptions and features available, finding your way around AutoCAD canbe...

You'll learn how to use Linux, including Linux on Raspberry Pi, to control appliances and everything from kettles to curtains, including how to hack...

Ready to take digital imaging to the professional level? This advanced strategy book offers expert advice to help you become more competent in your work routine, but it is not your ordinary workflow book. Through step-by-step procedures based on hard-nosed experience, professional photographer Ken Milburn covers much more...

Iclinically met my fi rst children with Asperger’s and High-Functioning Autism in 1981 at Camp Wediko here in New England. Like many college students before us, my newlywed wife and I had driven north to New Hampshire to spend an intensive summer learning more about the careers we were about to enter: she, special education, and myself,...