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Second law of Thermodynamics

Isn't there some caveat to the second law of thermodynamics, something to do with maxwell?
 
A Physics Pholk Song ...

The First Law of Thermodynamics:-
Heat is work and work is heat.
Heat is work and work is heat
Very good! The Second Law of Thermodynamics:-
Heat cannot of itself pass from one body to a hotter body,
Heat cannot of itself pass from one body to a hotter body
Heat won't pass from a cooler to a hotter,
Heat won't pass from a cooler to a hotter
You can try it if you like but you'd far better notta,
You can try it if you like but you'd far better notta
'Cos the cold in the cooler will get hotter as a rule-a,
'Cos the cold in the cooler will get hotter as a rule-a
'Cos the hotter body's heat will pass to the cooler,
'Cos the hotter body's heat will pass to the cooler

Good, First Law!

Heat is work and work is heat
And work is heat and heat is work
Heat will pass by…conduction,
Heat will pass by…conduction

And heat will pass by…convection,
Heat will pass by convection

And heat will pass by…radiation,
Heat will pass by…radiation
And that's a physical law!

Heat is work and work's a curse,
And all the heat in the Universe,
Is gonna cooooool down 'cos it can't increase,
Then there'll be no more work and there'll be perfect peace
Really?
Yeah, that's entropy, man!

And its all because of the Second Law of Thermodynamics, which
lays down that…

You can't pass heat from a cooler to a hotter,
Try it if you like but you far better notta,
'Cos the cold in the cooler will get hotter as a rule-a,
'Cos the hotter body's heat will pass to the cooler.
Oh you can't pass heat, cooler to a hotter,
Try it if you like but you'll only look a fool-a
'Cos the cold in the cooler will get hotter as a rule-a
And that's a physical law!

Oh, I'm hot!
Hot? That's because you've been working!

That's the First and Second Law of Thermodynamics!
 
Yeah nat...we can help you bomb physics just as well as anyone else!!!
 
Guess your dumb then, cause this is not from a highschool text book. So smarty pants what is Entropy and for that matter is it revrsible?
 
First, you are absolutely wrong. It is not a measure of disorder. It is a measure of the number of accesible states within a system. What you were taught in highschool is a the most simple of definitions possible.

The second law is based on statistics and quauntum mechanics. It is not a measure of disorder as I stated before. For an isolated system you can reverse entropy without violating the law. I didn't happen to come across it in a highschool text, it happens to be in one of my graduate physics books
 
exxxxxcellllent thread - while we aree at it does anyone wish to discuss dynamics of the capital asset pricing model VS. option (black scholes) based pricing in modern portfolio theory or the tendency for market price action to approach continuance of Meta Cycle Elliott Wave paterrns while roughly correlating to time frames suggested within Kondratieff's Long Cycle - better yet lets digress into the importance of piece sacrifice in a 3min game to gain stategic advantage in the Kings Open vs the tactical strength of the Kings Indian and Sicilian defense and Kasparov's employment of it.

Ohhh yessssss...... and since we are here, why not talk about ROIDS. :D

:cool:
 
Chesty, stop being so mean. :)

Well, lets delve into theoretical physics here.

May actually came onto a topic worth mentioning.

1. The second law predicts the eventual HEAT DEATH
OF THE UNIVERSE.

According to hubble's constant the universe is expanding
and getting cooler(According to drops recorded in
Cosmic background radiation also. This just re-inforces
the second law)

2. Another topic which is probably a bit over everybodies
head.

Chaos theory(The study of entropic states). The underlying
premise is INFINITE CORRELATION.

Everything is related or everything can be REVERSED.

This of course is VERY theoretical. But nontheless is
worth mentioning.

The math involved however is SCARY.

It is tied with SuperGravity theories and super-strings.
(Unified Field theories so-to-speak)

Godspeed
 
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