Материалы по тегу «contribution of radio amateurs to science»
Once, amateur radio has been a very popular hobby. Does anybody keep the ball rolling today? Does this hobby have future? Commentaries of Yevgeny Sukhoverkhov, head of Radio Electronics Museum Complex
What saints did the conquistadors pray to and why did they decide to conquer Mexico? What was the ethnic, regional, and age composition of the Conquista?