INVENTIONS NAME: Pablo Callay DATE: Monday, 14th August 2017 “Of all the inventions of humans, the computer is going to rank near or at the top as history unfolds and we look back. It is the most awesome tool that we have ever invented. I feel incredibly lucky to be at exactly the right place in Silicon Valley, at exactly the right time, historically, where this invention has taken form.” Steve Jobs. My favorite device is smartphone in my case is a Samsung Galaxy S7, the smartphone was invented by Martin Cooper, and developed by multiple engineers and a lot of companies. Some aspects of the life have changed in one’s cases for to be a best person and in the other hand, a lot of people have taken this devices for to do bad, also these devices had done the things easier and faster, to know some aspects of the history and a lot of topics. In early years, we’ve had a beautiful design for some models of smartphones, have had a biggest memory with additional apps can help us with different jobs. In my major I love to work with a analytic balance because I have so much precision, in this device we can to measure ranges less than milligram. In 1750, these was invented by Joseph Black. In this days for to do this device had to use an electromagnetic sensor with plates in a template glass box. In conclusion, all days a lot of researchers discovered new devices and some important for the humanity and others that only serving for to do harm. Other things can help for the medicine, engineering or politic. Using social network or email, to make communication faster and more efficient.