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JCatania
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JCatania replied to Etcele Rate's discussion Elon Musk reveals Hyperloop Alpha
"Logically, your retort to my post should be aimed at Musk not me. And I don't know or hope what you expect me to do about your personal backfire. I have to deal with the facts, not the as-yet-undisclosed position of a jealous suitor. Are you…"
Tuesday
JCatania replied to Etcele Rate's discussion Elon Musk reveals Hyperloop Alpha
"There's nothing cheaper that something that doesn't work and will never be implemented. Seems Musk is just jealous of Maglev and certainly could not improve on it. Pushing it off on academia as a time-waster for students is a shame. What…"
Jan 19
JCatania replied to Etcele Rate's discussion Elon Musk reveals Hyperloop Alpha
"Question: If maglev does the same thing why develop Hyperloop. Because it contains the word Hype? Why not just promote maglev. Is Musk afraid he'd have to pay royalties rather than putatively receiving them?"
Jan 19
JCatania replied to Etcele Rate's discussion Elon Musk reveals Hyperloop Alpha
"I think there's more merit to letting the car ride up on compressed air from the ram compression of the car going through the tunnel. Probably not an easy design problem but something like it is used in bearings or to levitate disk drive heads."
Jan 18
JCatania replied to Etcele Rate's discussion Elon Musk reveals Hyperloop Alpha
" But it compares pseudoscience with science. "
Jan 17
JCatania replied to Etcele Rate's discussion Elon Musk reveals Hyperloop Alpha
"I don't think Musk has anything here. I'm sure he has no prototype and that its just so much nonsense at this point. That spiel about solving choked flow had the mark of theory without observation. Clearly the flow would have to be choked…"
Jan 17
JCatania replied to DGDanforth's discussion SpaceX News
"But what is it at this point? Were they trying to perform damage control by purposefully landing in fog. Are you saying there's such a thing as an unscheduled fog? They get decent weather reports at SpaceX, don't they? "
Jan 11
JCatania replied to DGDanforth's discussion SpaceX News
"They must've landed in the fog on purpose. That way they can say there's no video."
Jan 10
JCatania replied to JCatania's discussion Oleg D. Jefimenko and His Electrostatic Motors
"He wrote my college E&M text."
Dec 30, 2014
Matt replied to JCatania's discussion Oleg D. Jefimenko and His Electrostatic Motors
"Jefimenko is a cool guy.   See: http://en.wikipedia.org/wiki/Jefimenko%27s_equations And I highly recommend his books, especially "Causality, Electromagnetic Induction, and Gravitation: A Different Approach to the Theory of…"
Dec 30, 2014
JCatania posted a discussion
Dec 29, 2014
JCatania posted a discussion
Dec 23, 2014
JCatania replied to Etcele Rate's discussion Elon Musk reveals Hyperloop Alpha
"Here's some material which I don't believe has been posted before. (Note: I do not endorse Hyperloop). MATLAB Simulink Hyperloop route simulationhttp://youtu.be/n1csKKXuBrU Autodesk Hyperloop route…"
Nov 6, 2014
JCatania replied to student's discussion Rossi Busted
"Not to detract from this very active and interesting thread but Lewans-thread-boys are onto a "stock" bust. One of many in the hoax busters kit bag but perhaps not as obvious as the device producing frequencies which basically Rossi…"
Nov 6, 2014
JCatania replied to student's discussion Isentropic
"It makes me think that he may be a bit stuck tho'. I guess I should apologize for driving him away. But the way things are on this blog maybe we should all be a bit more careful before inviting anyone. Have you corresponded by email with him…"
Oct 21, 2014
JCatania replied to student's discussion Isentropic
Oct 21, 2014

Profile Information

Are you currently invested in Zenn Motor Company?
No
Do you understand that this website is not intended to provide you with legal, business or investment advice and that if you attempt to utilize it in that way, you are a fool?
yes
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yes
It asks for your Full Name but you can use an alias if you like.
ok
Where are EEStor headquarters?
Cedar Park TX
What are the prevailing energy storage materials used today?
lithium ion
What is the meaning of life?
It frees us from the abyss and enables us to create.

Current reading list:

Gravitation, Misner, Thorne, Wheeler

 

Stars and RelativityYa. B. Zel’dovichI. D. Novikov,          These authors ranked among the greatest          astrophysicists of the 20th century, and their work is remarkable for its deep physical insights and clarity of presentation. This book explores general relativity, properties of matter under astrophysical conditions, stars, and stellar systems. It constitutes a valuable resource for today's physicists, astronomers, and graduate students. 1971 edition.Reprint of Relativistic Astrophysics, University of Chicago Press, Chicago, 1971.                       

Electrodynamics and Classical Theory of Fields and Particles, A.O. Barut, Dover Publications, 1980, ISBN: 0486640388,  256p.

Quantum Chemistry: An Introduction, W. Kauzmann, 1957.


Current Projects:

I'm attempting to commercialize a high efficiency supercritical water microturbine.

I'm also working on a high voltage pulsed power supply.

     

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JCatania's Blog

Formula for refractive index of media

Posted on April 6, 2012 at 9:00am 0 Comments

http://www2.ph.ed.ac.uk/~wjh/teaching/optics/documents/dispersion.pdf

In Section 4.7 (Beyond Cauchy's Formula) we have

n^2(omega) = 1 + Ne^2/m(omega0^2-omega^2),

where n is the refractive index, so n^2 = epsilon, the relative…

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