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Tuesday, March 29, 2016

String Theory

There are times when I jump head first into immersing myself in subjects waaaay beyond my comfort zone.
And so, I've been delving into some online classes having to do with Physics. I have never taken a "real" physics class in my life, so these efforts deserve a pat on my back don't ya think?

Well, one of the classes I've been listening to is searchable on Google with the following search term:
"String Theory for the Scientifically Curious with Dr. Amanda Peet".
I was heartened to hear that she is a professor at one of my old schools, the University of Toronto.

Anyway, in case you are interested in just a tidbit of what I have gleaned so far from her talks....permit me to share just a few notes I jotted......

Particles can be described like marbles or like waves. Dr. Peet coined  a new funky term called "waveicles" which is  combination of the two descriptions. Particles can be round-ish and still have "wave-like" characteristics. And then there is "string theory" which describes particles as shaped like rounded strings or even wavy tube like "things".

Part of my self led educational journey has to do with increasing my vocabulary.....so here are some of the terms that I am attempting to add to my grey matter:
electrons
fermions and bosons
neutrons
neutrinos
photons
quarks and leptons
gravitons ( have not yet been actually seen)
gluons
W's or Z's
black holes

=========

According to Dr. Peet there are four essential forces in the universe. The strongest force is known as
the "Strong Nuclear Force" and the weakest is "Gravity". The other two forces are
"Electro-magnetisim" and what is called "Weak nuclear Force" and their strength is somewhere in the middle, neither the strongest.....nor the weakest.

Atoms or subatomic particles are described in three ways:

by Mass, which is another word for weight
by Spin, ( does that mean how they turn?)
by Charge (whether negative or positive)


Another interesting bit is that photons,which are "light" have no mass.....meaning that they are weightless. Kinda cool.


Well that's all for now.
May God's Spirit lead your learning.

Peaceful Productivity,
Carla