Hello! Joel, I'm actually talking to you on a cellular phone. From a phone that can be carried in hand.This dialogue is 50 years ago, on April 3, 1973, that is, on this very day, Dr. Dr. Martin Kupur, a...
Read More Published on : 1 month agoA new thing to have new inventions in science and technology every day. Because of the development of information technology, the development of new inventions does not seem to spread all over the world. The invention is further researched and discovered.
Read More Published on : 1 year ago