We use analog and digital signals in our everyday lives with the radio, the cell phone and with our own computers. our computers and our cell phones are all digital now but radio's are still considered analog. Radio telescopes explore space by using radio waves and signals to almost like scan space and collect data like a sonar in a submarine.
Bob Kahn and Vint Cerf were both pioneers of the Internet, and Tim Berners-Lee was known for inventing the WWW.
Poster because if you have that much space....well what I do is calculate it by the centimeters in square divide:)
