Since the beginning of time

In week 3's class, we were asked to think about how we would communicate with a person living in a thousand years from now.

In regards to the topic that we have chosen (mine being 'age'), how are we to pass down information through time, making sure that it would survive the natural erosion due to elements in the environment, or how can it be as unaltered as possible if it were to be passed down by person to person along the generations.

As I was thinking about it, I remembered the time when there was an experiment done in America where some president (I forgot which one) decided to code messages and send it out into space, hoping that an alien would pick it up and decipher the codes. Traversing through space and time requires solid materials that would last through heat and friction, and that could possibly be one of things that I would consider if I were to pass down my interpretation of 'age' a thousand years down the road.