Since they debuted in World War I, military radios have played a vital role in sending strategic messages via electromagnetic waves, but it has always been a deadly game of hide-and-seek.
The devices present a dilemma: crucial communication at the risk of simultaneously broadcasting the location of their users to adversaries, exposing forces to interception, jamming and missile strikes.
But the cat-and-mouse game may soon be over. Chinese researchers have claimed a breakthrough that enables…

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