Presents brief accounts of the lives and inventions of five women: Sybilla Masters, Mary Beatrice Davidson Kenner, Mildred Davidson Austin Smith, Stephanie Kwolek, and Frances Gabe.
Presents brief accounts of the lives and inventions of five women: Amanda Jones, Mary Anderson, Bette Nesmith Graham, Dr. Ruth Benerito, and Becky Schroeder.
Each volume presents brief accounts of five women and their inventions, including Sybilla Masters, Madam C. J. Walker, Mary Anderson, and Nancy Perkins.
Describes a variety of record-breaking machines and inventions, including the fastest train, the first mechanical clock, and the largest airships ever built.
Describes the invention and function of such things as a combine harvester, a laser, an electronic microscope, a missile, and plastic. Includes several related activities.
Explains the operation of common devices such as the doorbell, alarm clock, photocopier, radio, television, and computer; includes instructions for science experiments relating to these.