electronics

This detailed volume examines the development of the telephone and related technologies, including everything from the transistor to fax machines, smart phones, and VoIP technology.

Presents descriptions, photographs, and diagrams of innovative new technologies and the history behind these inventions.

Nearly fifty projects on electricity and electronics, designed for science fair competition.

Upset that her family is so focused on the screens on their various electronic devices that they no longer talk, laugh, and play games together, Ella takes all of their chargers and small devices.