what's Hi tech?

Hi-Tech are all those developments and updates that have defined the various mechanisms and programs, which tried in which experts make life easy,
 and in fact knew this concept a big change over the years, as any device in the seventies for example, can enter in the box: Hi-Tech, but today it never achieves the terms of hi-Tech,
 Hi-Tech has become just too much include areas such as:

• Nanotechnology
• Nuclear Physics
• Robotics
• Telecommunications
• Automotive
• Artificial Intelligence
• Biotechnology
• Information technology 
• Electrical Engineerin