1

Why cant we re-invent the engine already?

16

The function of an earth satellite station is to transmit and receive information frequency through microwave signals of a certain frequency. It has a large parabolic disc aerial. A communication satellite will amplify these microwave signals, convert them to another frequency and transmit them to other earth satellite stations. As the world becomes more sophisticated more modern communication methods and devices are introduced to the market.

32

These amazing inventions are contributing to a greener earth and provide great coping mechanisms to handle changes in our ecosystem.

0

Japan has created a new motor.