Monday, October 29, 2012

Journey to the Center of an Atom


Journey to the Center of an Atom
Large Hadron Collider
            Professor Chowdhury had an amazing presentation set up for learning about the microscopic, yet extraordinary atom.  He spoke of the prediction (I believe by Albert Einstein) that atoms would never be able to be separated.  That is clearly false, however, since we have been doing that for years.  The Large Hadron Collider, located in Geneva, is the biggest atom separator on the planet, which I found very interesting.  Just to get a little off-topic, I remember years ago there was a very large population of people that were terrified of this machine.  They claimed that it was so powerful that it could in fact cause a black hole and suck the Earth into it.  It sounds ridiculous, but I remember hearing a lot about it, so it must’ve been a pretty big concern.
            Something I was also intrigued with was when Professor Chowdhury explained that we as humans are learning to manipulate atoms into doing specific things.  This is particularly interesting because that is basically chemistry meeting engineering.  Imagine what could happen if we could control atoms to do anything we needed?  The amount of potential energy in an atom is unreal.  We could do so much with that.  It could be an alternate source of power, or anything else.  So many doors would be open to humanity; but this is just me rambling.
            The next topic covered was actually about the movie The Hulk, having to do with photons being shot into the main character.  In reality, that machine measures the photons leaving a nucleus, however in that movie the photons were being shot from the machine.  I thought it was pretty funny that they would do the complete opposite of physics just for a movie to look “cool.”  Not to mention, the beams that were shot into him cannot actually be seen with the eyes, so that was not accurate either.  It did get the point across, though, in an amusing way.
            Two of my favorite parts of the presentation were the demos.  One was two eggs, one hard boiled and one raw.  He spun the first and stopped it suddenly, then took his hand away; the audience observed that it stopped dead.  He did the same with the second egg, the raw egg, however it kept spinning after because the liquid inside was still spinning.  Apparently, this is what happens with an atom too, which was a unique way of thinking about it.
            The second demo was my personal favorite.  He had a fairly large ring tied to the end of a string, and began moving the string in a circle, causing the ring to also spin.  Eventually, the ring was no longer dangling but was flat, almost like it was resting on a table, yet it was spinning in the air.  His explanation for this was (roughly) as follows: “the ring uses energy to rise up, and the ring changes its course of spinning.  The gravitational system can recognize better or worse scenarios o its own.  Nature likes to minimize things.”  I think that gravity realizing that one path could use less energy than another in fascinating.  How can something without a mind, without any way of thinking, control something like that?  How could it choose the best way of completing something?  Nature is a ridiculously complex being which I personally don’t believe we will ever completely understand.
            I thoroughly enjoyed Professor Chowdhury’s presentation on the atom.  It approached the subject from a lot of different angles which kept things very interesting and made it easier to understand what exactly he was talking about.  I have never been particularly interested in chemistry and atoms and things like that, but it definitely gave me a new appreciation for it.

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