The planets Mercury,Venus, Mars, Jupiter, and Saturn—all visible to the naked eye—were known to ancient peoples. In fact, the Romans gave these planets their names as they are known today. Mercury was named after their god Mercury, the fleet-footed messenger of the gods, because the planet seems especially fast moving when viewed...

This book breaks new ground by doing something for digital photographers that’s never been done before—it cuts through the bull and shows you exactly “how to do it.” It’s not a bunch of theory; it doesn’t challenge you to come up with your own settings or figure things out on your own. Instead, it does...

When usability testing is part of the design and development of products, the results are better products that users want and like. You may be doing testing now or want to help your company get...