Science Fact Finder

Language And Symbols

1. What is the Morse Code? [answer]
2. Who invented the Braille alphabet [answer]
3. Which animals other than horses have been used to deliver the mail? [answer]
4. What do the lines in a Universal Product Code mean? [answer]
5. What is a hornbook? [answer]

Radio

1. Who invented radio? [answer]
2. What was the first radio broadcasting station? [answer]
3. How are the call letters beginning with "K" or "W" assigned to radio stations? [answer]
4. Why do AM stations have a wider broadcast range at night? [answer]
5. Why do FM radio stations have a limited broadcast range? [answer]
6. How do submerged submarines communicate? [answer]
7. Can radio transmissions between space shuttles and ground control be picked up by shortwave radio? [answer]

Television

1. Who was the father of television? [answer]
2. What name is used for a satellite dish that picks up TV broadcasts? [answer]
3. How does rain affect television reception from a satellite? [answer]
4. What is high definition television? [answer]

Telecommunications

1. What are the types of cellular telephones? [answer]
2. How does a cellular phone work? [answer]
3. How does a telefax work? [answer]
4. What is a fiber optic cable? [answer]
5. When was the first commercial communications satellite used? [answer]
6. What is the Internet? [answer]
7. What is the Netplex? [answer]
8. What is an information highway? [answer]
9. What is virtual reality? [answer]