The document discusses three important communication inventions: mobile phones by Martin Cooper which allowed portable telephony, radio by Guglielmo Marconi which enabled transatlantic wireless communication, and email by Ray Tomlinson which launched the first electronic message between computers. These inventions transformed communication by allowing people to stay connected through voice calls, music, messages and information across vast distances both near and far.

1. COMMUNICATION Inventors and inventions Martin Cooper - Ray Tomlinson - Guglielmo Marconi Fotos: Wikipedia

2. MOBILE Inventor: Martin Cooper Nationality: American Date: in 1973 He wanted people to carry their phones with them everywhere they went Today: we can talk to friends, send text messages and play games on them

3. RADIO Inventor: Gulielmo Marconi Nationality: Italian Date: in 1895 What happened: He sent the letter “s” in morse code across the Atlantic Ocean from UK to Canada Today: millions of people listen to the radioevery day. We can listen to the news and listen to music

4. E-MAIL Inventor: Ray Tomlinson Nationaty: American He sent the 1st e-mail in 1971 Today: It is an important means of comunication around the word. We use e-mail at home, at school and at work