 | When and why did the first combine in the human history appear? What is the invention history? |
 | Analyzing the display revealed a number of interesting laws which are not always obvious. |
 | We are focused on a telephone set not as a system for transmitting and receiving voice information but on a telephone set as a final element of the entire process, which is in direct contact with a user. |
 | Versions of the aircraft propulsive device ranged according to a certain evolution trend. |
 | The history of pillow evolution from Georgy Severinets. |
 | The wheel is a greatest invention of the mankind. Let us try to restore the process of its invention and improvement. |
 | A simple and understandable object – a tooth brush – has innumerous versions. Nevertheless, the versions can be classified and structured according to the trends of engineering systems evolution. |
 | The history of chair evolution in terms of performance of its main function – supporting the body of a sitting man. |
