Learning Articles - Articles On Education

Telex Machine

The modern Telex system with its 800,000 subscribers in more than 100 countries (1978) is the combination of carrier telegraphy and teletypewriter. By temporarily connecting lines and switching equipment, subscribers can communicate directly with one another by means of teleprinters. Telex service is...

Borobudur

Just 42 kilometres northwest of Yogyakarta stands the serene 1,000 year old Borobudur - the largest Buddhist monument in the world. Borobudur was built between 778 and 856 - 200 years before Notre Dame was built. Yet, about a century after it was completed, it was mysteriously abandoned. At that time,...

Process Make Call with Telephones

What if you want to talk right now to a friend who lives far away? The answer is simple. You pick up your telephone and press some buttons. Next, you hear a ringing sound-one, two, three rings. Then you hear your friend's voice say, "Hello". Making a phone call seems so easy. But did you ever think...

Communication Satellites

Astronauts have journeyed off the planet earth and out into space. Ventures into space have led to the latest tool in long-distance communication-the communications satellite. The satellite is equipped with radio receivers and transmitters. Rockets boost it into orbit, and the force of gravity keeps...