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Old March 22nd, 2009, 06:27 PM   #91
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CHESS as physics. Its a good analogy. Listen closely. The board and the pieces are the brane and the particles.
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Old March 22nd, 2009, 06:35 PM   #92
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How to do a Feynman diagram.

Draw the lattice and count the intersects.
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Old March 23rd, 2009, 06:53 PM   #93
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Physics for dummies like me:



Part 1.
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Old March 23rd, 2009, 06:59 PM   #94
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Politicians need this. It will teach them that there is no such thing as a free lunch.
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Old March 23rd, 2009, 07:01 PM   #95
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Gravity. Why tides matter.
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Old March 23rd, 2009, 07:03 PM   #96
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Why space travel, spy satellites, and singularities all are part of the same problem.
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Old March 23rd, 2009, 07:07 PM   #97
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Ever wonder why radiation can kill you dead?

That stuff killed Madam Curie.
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Old March 23rd, 2009, 07:11 PM   #98
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Radiation=>cancer. More ways that ignorance can KILL you. Radiation exposure is cumulative. It never goes away, you are stuck with it!
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Old March 23rd, 2009, 07:15 PM   #99
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Do you understand why U-238 isn't so worrisome, and why U-235 should scare the living evil out of you? LEARN.
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Old March 23rd, 2009, 07:18 PM   #100
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Review of some very scary stuff, previously covered.
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Old March 23rd, 2009, 07:21 PM   #101
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Ever wonder what electricity is and why electric cars don't work?
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Old March 23rd, 2009, 07:24 PM   #102
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Ones and Zeros, Plus and Minus, information technology-what does it all mean?
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Old March 23rd, 2009, 07:30 PM   #103
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What does a wave, shot down allied pilots, submarines, Maurice Euling, and an UFO have in common?
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Old March 23rd, 2009, 07:42 PM   #104
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Sub-hunting and detecting explosions for dummies. SOUND.
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Old March 23rd, 2009, 07:46 PM   #105
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LIGHT. Its electricity in motion. Did you know this? What is the frequency, Kevin?
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Old March 23rd, 2009, 07:49 PM   #106
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Did you know your eyes were antennas? Got to keep them calibrated. Most of us need a prosthetic as we get older. Explanation for WHY.
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Old March 23rd, 2009, 07:54 PM   #107
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Invisible light? Wrong frequency, Kevin. This is what gets you killed dead if you don't have a way to see it in the modern military, or in modern life in general. Your TV remote relies on it.
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Old March 23rd, 2009, 07:57 PM   #108
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We learned why cameras worked in the last one. Here we learn how light spreads and diffuses. Here is more of that stuff about light that sounds so innocuous; but that can KILL you, if you don't understand it, namely SOLAR WEATHER.
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Old March 23rd, 2009, 08:08 PM   #109
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Here begins the truly terrifying stuff:



Welcome to Quantum Mechanics!
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Old March 23rd, 2009, 08:19 PM   #110
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Quantum mechanics translates into REAL THINGS. You can make money off of this. And of course, if you don't understand it (energy measured as frequency), it will KILL you.

Uhm. Jitter and stepping. Be aware of those fundamental MATTER properties. Its what has hung up physics for the last one hundred years.
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Old March 23rd, 2009, 08:36 PM   #111
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How does quantum mechanics affect global warming? Learn. I told you this stuff can kill you!
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Old March 23rd, 2009, 08:39 PM   #112
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Here you have Xerox machines and DNA. How does quantum mechanics affect that?
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Old March 23rd, 2009, 08:45 PM   #113
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What makes the difference. Somebody took thirty years [founder of Green Peace] to figure out that PHYSICS, as in the ignorance of the same can KILL you. Physics is GREEN in money and philosophy. Review of the stuff that you've just learned.

And relativity. The professor doesn't know why relativity is IMPORTANT. I do. If you don't understand observer viewpoint, and the two limits, light and absolute zero, and the concept of INTERVAL as a stretchable value, then you won't understand why space is elastic in only two directions, in the direction of travel, and perpendicular to that direction. The faster you go, the flatter and heavier you become. You pile up inertia shorten your frequency, increase your mass, slow down your time until at some point you STOP.
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Old March 23rd, 2009, 09:03 PM   #114
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More relativity.
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Old March 24th, 2009, 08:13 AM   #115
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More relativity. Length of object in direction of travel versus mass and other weird stuff.

Then we try to join quantum mechanics and relativity, and we discover that Planck scale and Macro-scale don't fit.
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Old March 24th, 2009, 08:36 AM   #116
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After failing to join relativity and quantum mechanics we now really fail.

Black holes is where quantum mechanics break down. Relativity too: because infinity is a mathematical concept you can normalize through cancellation (=), but not through +/- or x. Infinity like zero is immune to those operators. Never mind why, but when we invent operators that can handle the two absolute boundaries, then, we can make physics' uncertainty go away and not bother us anymore. Anyway black holes.

We will be trying to make them (VERY SMALL AND SHORT LIVED ONES) in the Large Hadron Collider at CERN. There is a minuscule small, but still existent chance that we can really goof this up and blow a hole the size of Switzerland in Switzerland, (and France) when we do this.^1

That is why we are NOT building the LHC in Illinois.

Cosmology has this nasty little surprise embedded in it: learn about it. Like I said this stuff can KILL you.



^1 micro-blackholes evaporate very quickly via Hawking Radiation; as in KABOOM!
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Old March 24th, 2009, 10:29 AM   #117
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Nuts and bolts of the universe. Parts explained. This won't kill you, (well it shouldn't for at least a billion years), but it is FUN to know.
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Old March 24th, 2009, 10:51 AM   #118
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Conclusion: this is where we get to the bleeding edge of the Standard Model. You've read me write of this.

We here will see the gaping hole in the Standard Model: the Higgs paticles and fields and unification of the four forces.

Gravity still doesn't fit.

Zero rest mass inside the Standard Model requires the Higgs Field.

This is something that you need to consider carefully. If we ever find a way to screw this up, (the Higgs Field) then we all DIE (the whole universe).

PHYSICS CAN KILL YOU IN SO MANY WAYS.

This concludes the lessons for this date.
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Old March 25th, 2009, 05:55 AM   #119
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More physics. This is the practical stuff.



Mechanics.
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Old March 25th, 2009, 05:58 AM   #120
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This continues the laws of motion practical application.
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