Charts, Stars, and Sperms?

With the introduction of new technology, we are able to see what is on the earth, what is outside the earth, and also what is within the earth.

Binoculars, Microscope and Telescopes, these are the tools that let us discover something that we can't see with our naked eye. It is also the medium that extends the ability of the human eye.

People are now able to discover places by just having this in their car, the GPS (Global Positioning System), it  tell the user his location and also shows the user the way to the other location.