Within the timeline of radio, many people contributed theory and inventions in what became radio. As a result in 1894 the Italian inventor Guglielmo Marconi invented the first radio. It is the first engineering complete, commercially successful wireless telegraphy system based on radio transmission. He demonstrated the application of radio in military and marine communications.
වැසූ ශාලාවෙන් හඬක් පිටවීමට නොහැකි නිසා ඒවා බිත්තිවල වැදී ආපසු පරාවර්තනය වේ. එම හඬ නැවත…
කටුස්සා පාට වෙනස් කරන්නේ තම ජීවිතය ආරක්ෂා කර ගැනීම පිණිසය. කොළ අත්තක වැසූ විට ඔහු…
Transistors are one of the basic building blocks of modern electronics. The first working transistor…