Hedy Lamarr (1914 - 2000) was a unique figure in the 20th century as both a glamorous Hollywood actress and a significant inventor. She co-invented a frequency-hopping signal during WWII that is now a part of Wi-Fi, CDMA and Bluetooth.
海蒂-拉玛（1914 - 2000 年）是 20 世纪一位独特的人物，她既是魅力四射的好莱坞女演员，也是一位重要的发明家。她在二战期间共同发明了一种跳频信号，这种信号现在已成为 Wi-Fi、CDMA 和蓝牙的一部分。