Watch Invisible Threads: From Wireless to War

Prior to World War I, spies, subterfuge, and sabotage emerged along with radio—a powerful new wireless technology that was poised to change the world.

Invisible Threads: From Wireless to War is a 2021 documentary with a runtime of 1 hour and 57 minutes. It has received mostly positive reviews from critics and viewers, who have given it an IMDb score of 8.7.