On December 17, 1903, Wilbur and Orville Wright (Wright brothers) piloted the first powered, sustained, and controlled flight. Within a few years, airplanes were successfully navigating long distances and soon began to transform both wartime and global travel. Most airplanes are flown by a pilot on board the aircraft. But some are designed to be remotely or computer-controlled such as drones.
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…