Technology

A steam turbine with the case opened . such turbines produce most of the electricity used today . Electricity consumption and living standards are highly correlated . Electrification is believed to be the most important engineering achievement of the 20th century

The simplest form of technology is the development and use of basic tools. The prehistoric discovery of how to control fire and the later neolithic revolution increased the available sources of food , and the invention of the wheel helped humans to travel in and control their environment
Developments is historic times, including the printing press, the telephone , and the internet , have lessened physical barriers to communication and allowed humans to interact freely on a global scale . the steady progress of military technology has brought weapons of ever -increasing destruction power , from clubs to nuclear weapons .

Technology has many effects . it has helped develop more advanced in life many technological processes produce unwanted by -products know as pollution and deplete natural resources to the detriment of earth's environments.