Programmable logic controllers (PLCs) continue to evolve as new technologies are added to their capabilities. The PLC started out as a replacement for hardwired relay control systems. Gradually, various math and logic manipulation functions were added. Today PLCs are the controller of choice for the vast majority of automated...

In Buzan's Study Skills, three of Tony Buzan's most enduring subjects - Memory, Speed Reading and Mind Mapping - are combined in a single guide to enable students to make the most of their studies. Improve grades, make more effective notes, plan better essays, make associations between different subjects, have at-a-glance notes and...

Rapid Surgery is the sixth title in the new Rapid series and is the ideal companion for medical students and junior doctors, covering key facts in a simple and...

iPhoto '11 helps you organize, edit, and share your photos. With iPhoto '11 it's easy to organize and manage the thousands (maybe tens of thousands) of photos on your Mac by Faces, Places, and Events. iPhoto '11 also comes with editing and enhancement tools that rival those in expensive photo software. And finally Share what...

The web has completely revolutionized the way we live our lives—the average person in the UK now does an average of six Google searches a day. Within the lifetime of one generation, our entire society has changed, and it continues to be catalyzed by technology in a very fundamental way. For me, this is the most fascinating thing...

Back in 1997, when I began my career as a professional web developer, I started working with Classic ASP. After a brief training period in a few different programming languages such as C++ and Java, I was thrown in at the deep end and assigned to a project to build an Intranet application for a large consultancy firm in the Netherlands...

The term computer was quite popular back then. Now, the word is no...

People may not always remember the specifics of a conversation, but they do remember their overall impressions of the other person, as well as how well they felt the conversation proceeded. For example, they may recall whether or not they felt the other person was cooperative, and whether or not the other person was friendly, polite,...

As a beginning graduate student, I recall being frustrated by a general lack of accessible sources from which I could learn about (theoretical) cryptography. I remember wondering: why aren’t there more books presenting the basics of cryptography at an introductory level? Jumping ahead almost a decade later, as a faculty member my...