Books with author David Jefferis

Journey into the small world of nanotechnology. Micro Machines takes readers into the future of computers, cars, cameras, and telecommunications. This fascinating book teaches the difference between macro, micro, and nano technologies. Clear text and extreme, close up pictures help broaden our ideas of what these tiny machines are and what they can do. Includes details on- the merging of organic, or living things with inorganic, on nano living materials.- how micro machines help in constructing buildings, and transportation systems.- micro machines designed for spying and helping police- how scientists are working on nano machines that can be injected into a person's bloodstream and used to fight diseases

Imagine living in a pollution-free city! The world needs power but the Earth's current sources of energy are destroying our environment. Our future depends on environmentally friendly energy and Green Power explores current research into such solutions as biofuels, wind, and solar energy. This book explains- how traditional dams use gravity to spin electric turbines- how ocean tides can be used to create energy- how heat from deep inside the Earth is used by some countries to heat homes and power lights- the amazing facts about how we can improve our energy consumption today

Intended for ages 9-12, Robot Workers reveals that, while most of us still do our own chores, that vision of the future is finally becoming a reality in the form of robotic vacuums and lawn mowers. It also shows us what industry has seen the biggest benefit, with robots now being widely used by car manufacturers to weld and paint vehicles, and in warehouses to stack and pack goods.

Historically, model figures tended to be military ones, such as soldiers. Today, gaming has brought a new popularity to building favorite characters from fantasy games, both people and animals. This exciting introduction to model making explains the mathematics of scale, using the Internet for research, and how to shape and fix molded figures. Tips on painting, filing, smoothing, and applying gloss help build fine-motor skills. Young readers are encouraged to build patience, concentration, perseverance, and problem-solving.