Hedy Lamarr's double life /

Hedy Lamarr became a movie legend, but her true loves were always science and engineering. During World War II, Hedy collaborated with another inventor on an innovative technology called frequency hopping. It was designed to prevent the enemy from jamming torpedo radio signals and commanding weapons...

Full description

Main Author: Wallmark, Laurie,
Other Authors: Wu, Katy,
Format: Book
Published: New York : Sterling Children's Books, [2019]
Physical Description: 42 unnumbered pages : color illustrations ; 29 cm