Excel is the...

Over the years, I’ve created many homemade robots (some of which, only the builder could love). However, with each successive robotic generation, I try to gradually expand my knowledge of electronics, mechanics, machining, software, and art by experimenting with new techniques, features, or parts...

One of the most striking features of mathematics is the fact that we are much more certain about the mathematical knowledge we have than about what mathematical knowledge is knowledge of. Are numbers, sets, functions and groups physical entities of some kind? Are they objectively existing objects in some non-physical, mathematical realm? Are...

The Mac platform is legendary for security, but consequently, Apple developers have little appropriate security information available to help them assure that their applications are equally secure. This Wrox guide provides the first comprehensive go-to...

All over the planet Drunvalo Melchizedek is known and immensely loved as a great spiritual teacher. Through workshops and books he brought his vision of the Flower of Life and the Mer-Ka-Ba to the world. Now, based on his latest series of workshops, he shares his experiences of living in the sacred space within the heart, and he explains the...

In How Math Explains the World, mathematician Stein reveals how seemingly arcane mathematical investigations and discoveries have led to bigger, more world-shaking insights into the nature of our world. In the four main sections of the book, Stein tells the stories of the mathematical thinkers who discerned some of the most fundamental...

When the 2007 Nobel Peace Prize went to former Vice President Al Gore and an international scientific body that warned of serious consequences if Earth's temperatures continue to rise, the award underscored the international concern about the Earth's changing climate. Most scientists agree that global warming is a serious threat, and...

Electric Vehicle Battery Systems provides operational theory and design guidance for engineers and technicians working to design and develop efficient electric vehicle (EV) power sources. As Zero Emission Vehicles become a requirement in more areas of the world, the technology required to design and maintain their complex battery systems is...

For generations, humans have fantasized about the ability to create devices that can see into a person’s mind and thoughts, or to communicate and interact with machines through thought alone. Such ideas have long captured the imagination of humankind in the form of ancient myths and modern science fiction stories. Recent advances in...

Everyone is developing iPhone applications, and it’s clear why. The iPhone is the coolest mobile device available, and the App Store makes it simple to get an application out into the unstoppable iPhone app market. With hundreds of thousands of app developers entering the game, it’s crucial to learn from those who have actually...

It wasn’t too long ago when a fellow developer at work asked me to look at his screen. He had stumbled across some new technology, and asked: ‘Hey, have you heard about this?’ All too often such questions are answered with a...

In the final book of his astonishing career, Carl Sagan brilliantly examines the burning questions of our lives, our world, and the universe around us. These luminous, entertaining essays travel both the vastness of the cosmos and the intimacy of the human mind, posing such fascinating questions as how did the universe originate and how will...