×
Log in
Upload File
Most Popular
Study
Business
Design
Technology
Travel
Explore all categories
The top documents tagged [martin cooper slide]
A telephone is an instrument that sends and receives information, usually by means of electricity. The word telephone comes from Greek words meaning far
218 views
The Great TechWorld TechnoHistory Trivia Challenge 2011 Answers
216 views
Technology evolution timeline. By Jakeira Frost
217 views