Ingenium is medieval English vernacular for -an ingenious contrivance.- In this fascinating book, physicist Mark Denny considers five such contrivances--the bow and arrow, the waterwheel, the counterpoise siege engine (including the trebuchet), the pendulum clock anchor escapement, and the centrifugal governor--and demonstrates how they literally changed the world. Interweaving an entertaining narrative with diagrams, equations, and drawings, Denny shares the history of each device, explains the physics behind it, and describes how it was used, how it evolved, and why it is...

The science of ballistics has a long history and starts with one question: How does a projectile move through the air? Even before physicists worked that one out, military engineers had been tinkering with ballistic devices for centuries. The trebuchet of the Middle Ages has given way to rocket power, and the science of ballistics has evolved to match the technology. Mark Denny's survey covers this dynamic subject from prehistory to the weapons of tomorrow.

Taking the bang-whiz-thud approach, Denny first talks about internal ballistics--Bang --from before gunpowder to the development...

Power generation is a relatively recent concern because humans had little need for sustained power until the dawn of the Industrial Revolution. Today, modern civilization is wholly dependent on the production and distribution of power. Without it, our way of life would be extinguished.

In Lights On , Mark Denny reveals the mysterious world of power generation. He takes us on a fun tour, examining the nature of energy, tracing the history of power generation, explaining the processes from production through transmission to use, and addressing questions that are currently in the...

In Long Hops, physicist Mark Denny explains, in a clear, conversational style, the science of bird migration--from the intricacies of bird aeronautics to the newly unraveled mysteries of their magnetic compasses. While providing wherever possible examples of indigenous Hawaiian species, the book surveys the migration phenomenon as a whole, showing that birds are breathtaking works of engineering with spectacular capabilities for long-distance flights. Each year thousands of these hardy migrants fly 2,500 miles nonstop from Alaska to Hawai'i. How do they endure such marathon journeys, and...

In Long Hops, physicist Mark Denny explains, in a clear, conversational style, the science of bird migration--from the intricacies of bird aeronautics to the newly unraveled mysteries of their magnetic compasses. While providing wherever possible examples of indigenous Hawaiian species, the book surveys the migration phenomenon as a whole, showing that birds are breathtaking works of engineering with spectacular capabilities for long-distance flights. Each year thousands of these hardy migrants fly 2,500 miles nonstop from Alaska to Hawai'i. How do they endure such marathon journeys, and...