The Braun TS2 radio was a state-of-the art tube set in 1956. Today it still looks great, but unsurprisingly, the one that [Manuel Caldeier] has needed a little tender loving care. The table radio ...
But there’s a way to communicate without cell signals or internet, and about 750,000 people across the country know how to use it: amateur radio. Also known as ham radio, this old-school method ...
Seemingly miraculous innovations have made it possible to slake the ever-growing thirsts of our industrial society. Need more energy? Frack it from deep-bedded rocks. Fresh water? Desalinate ocean ...
Oct. 9, 2024 — Researchers took the imaginary scenes from Spider-Man seriously and created the first web-slinging technology in which a fluid material can shoot from a needle, immediately ...
重疊區是射頻工程(英语:radio frequency engineering)中的詞,是在在二個或多個廣播站(英语:radio station)之間的區域,在此區中各廣播站以相同的頻率發射訊號,而且接受到的強度相當。在此區域中會出現同信道干涉(英语:Co-channel interference)的情形。
BBC Local Radio is a network of 39 radio stations that collectively cover all of England, Jersey and Guernsey. They range from major conurbation services such as Birmingham, London, Manchester and ...