Brownian Motion is the random “walk” of a gas particle. If it were possible to trace a single atom within a gas we would observe that its motion or “walk” is determined by the interactions it has with other atoms within the gas. Its walk is determined by the collisions it has with other atoms forming the gas. These collisions will determine the new direction of our particle, which will be in a new random direction and will effect the subsequent collision. The frequency of collisions is also random, however, this is estimated because of the “mean free path” which is the average time between collisions. Also, the particle we are following through the gas is able to absorb or emit energy, that is to say speed up or slow down as a result of the collision. Everything in a Brownian system is random by definition, so the outcome and walk is impossible to predict and impractical.
I find that life is very near Brownian Motion; our lives are not a Brownian system because life is not defined by a random walk. However, life is random to a degree because we cannot control it; but we can direct our own lives by the choices we make. Life is random because as we live our life, we run into people and discover how “small” the world really is. My best example of this is when I sat next to an older gentleman on an airplane coming home from São Paulo, Brazil in January of 2007. As we began to talk I found out that he graduated from Graceland University, where I was currently studying! The random experiences and happenings that only occur in life. Although, we would never have met if I did not choose go to Brazil and but also if he did not make the same. Some would call this fate but I do not believe in fate, because that would remove the responsibility one has in their choices and the randomness found in life.
Thanks to the new friend I made over Christmas break, after a random friend search on Facebook, I am now starting to Blog. The choice I made to search for new friends now resulted in this Blog though I made a conscious decision to Blog.
More Brownian topics to come later, although they will not truly be Brownian because I must choose to Blog about them; I figured I would point out this subtlety… but maybe you got that I don’t know if you would seeing how I may or may not know you the reader.
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