FM TECH THAT WON WWII ⚙️ The SCR-300 walkie-talkie emerged from a bold engineering gamble that reshaped battlefield communication. In 1940, Daniel Noble of Galvin Manufacturing Corporation pushed back against the U.S. Army Signal Corps’ insistence on amplitude modulation, arguing that frequency modulation offered vastly greater clarity and resistance to interference. His position was unconventional for the time, but the rising need for dependable frontline communication opened a narrow path for

A luz viaja a uma velocidade de 300 mil km/s, sua velocidade é a última barreira, nada pode ir mais rápido, mas será essa a resposta final? Espaçonaves modernas nunca viajarão mais rápido do que a luz? Não vale a pena pelo menos tentar? #H2 | HISTORY