“Newton’s Gravity” conveys the power of simple mathematics to tell the fundamental truth about nature. Many people, for example, know the tides are caused by the pull of the Moon and to a lesser extent the Sun. But very few can explain exactly how and why that happens. Fewer still can calculate the  actual pulls of the...

Everyday use of time in one form or another is a common experience for everyone throughout their lives. The availability of a means to measure the passage of time with the required accuracy is taken for granted. However, the concepts on which those time scales are based and the requirements for accuracy in many applications can be both...

The Moon is very far from Earth. Yet, scientists have been able to get satellites, shuttles, and other spacecraft into space and a few manned spacecraft to land on the Moon. "How Does a Spacecraft Reach the Moon?" reveals the science behind propulsion and the energy it takes to get large craft into space. Colorful photographs and...

Error correction coding techniques allow the detection and correction of errors occurring during the transmission of data in digital communication systems. These techniques are nearly universally employed in modern communication systems, and are thus an important component of...

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I am a vampire, and that is the truth. But the modern meaning of the word vampire, the stories that have been told about creatures such as I, are not precisely true. I do not turn to ash in the sun, nor do I cringe when I see a crucifix. I wear a tiny gold cross now around my neck, but only because I like it. I cannot command a pack of wolves...

Podcasting really is twenty-first century communication, and you can be a part of it! This book gives you the scoop on listening to, producing, and distributing podcasts, points you toward the best...

Combining a concise practical guide to astronomy with card decks, sky maps, and a flashlight, Starfinder explains how to navigate around the night sky, shows you what you can expect to see, and provides all the tools you need to see the constellations for yourself. It also includes a section on observing the Moon, planets, and other...