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Pastricis reditus

Nulla major laetitia quam inexspectata.  Hodie per rete vagans in paginam Pastricis incidi, quem adhuc tacentem rebar, et nonnullos recentiores commentarios ibi invenio!  Et ibi non est Pastrix deminutus, sed, si contumelias in Sarkozium legimus, totus est Pastrix!  De quo valde gaudeo.

Simul de Nemine notitiam invenio (quem etiam ego frustra quaesieram), atque doceor illum amicum pravam cujusdam puellae lectionem et inde nonnulla incommoda passum esse; quae mihi ferme ejusdem modi passo inde detulerunt, ut certos exararem commentarios, aut de quibusdam rebus opinarer.

Etiam ibi sententias lego Caputsaxientis, Reginae Noctis, ceterorum...  Invenisse videor veteres amicos...

03/05/2010 22:51 thersites Enlace permanente. sin tema

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gravatar.comAutor: Ludovicus

Carmen ad Thersitem Mathematicum:

http://www.youtube.com/watch?v=5PkLLXhONvQ&feature

SPECIAL RELATIVITY

Römer measured the speed of light,
and something basic just wasn’t right.
because Michaelson and Morley
showed that aether fit data poorly.

We jump to 1905.
In Einstein’s brain, ideas thrive:
“The laws of nature must be the same
in every inertial frame”

We all believe in relativity, relativity, relativity.
Yes we all believe in relativity, 8.033, relativity.

Einstein’s postulates imply
that planes are shorter when they fly.
Their clocks are slowed by time dilation,
and look warped from aberration.

Cos theta-prime is cos theta minus beta ... over one minus beta cos theta.
Yes we all believe in relativity, 8.033, relativity.

With the Lorentz transformation,
we calculate the relation
between Chris’s and Zoe’s frame,
but all invariants, they are the same.
Like B dot E and B-squared minus E-squared,

... and the rest mass squared which is E-squared minus p-squared.
’cos we all believe in relativity, 8.033, relativity.

Soon physicists had a proclivity
for using relativity.
But nukes made us all scared
because E = mc2.

Everything is relative, even simultaneity,
and soon Einstein’s become a de facto physics deity.
’cos we all believe in relativity, 8.033, relativity.

GENERAL RELATIVITY

But Einstein had another dream,
and in nineteen sixteen
he made a deep unification
between gravity and acceleration.
He said physics ain’t hard at all
as long as you are in free fall,
’cos our laws all stay the same
in a locally inertial frame.

And he called it general relativity, relativity, relativity.
And we all believe in relativity, 8.033, relativity.

If towards a black hole you fall
tides will make you slim tall,
but your friends won’t see you enter
a singularity at the center,
because it will look to them
like you got stuck at radius 2M.
But you get squished, despite this balking,
and then evaporate, says Stephen Hawking.

We all believe in relativity, relativity, relativity.
Yes we all believe in relativity, 8.033, relativity.

We’re in an expanding space
with galaxies all over the place,
and we’ve learned from Edwin Hubble
that twice the distance makes redshift double
We can with confidence converse
about the age of our universe.
Rival theories are now moot
thanks to Penzias, Wilson, Mather & Smoot.

We all live in an expanding universe, expanding universe, expanding universe.
Yes we all live in an expanding universe, expanding universe, expanding universe.

But what’s the physics of creation?
There’s a theory called inflation
by Alan Guth and his friends,
but the catch is that it never ends,
making a fractal multiverse
which makes some of their colleagues curse.
Yes there’s plenty left to figure out
like what reality is all about about.

but at least we believe in relativity, relativity, relativity.
Yes we all believe in relativity, 8.033, relativity.

Fecha: 05/05/2010 01:16.


Autor: Thersites

Quam facetum! Quod maxime placet hujus lutei submarini illud est sine sensu (mea saltem sententia) 8 033!

Fecha: 01/06/2010 21:32.


gravatar.comAutor: Ludovicus

8 033 non est alliud nisi M.I.T. cursus (lectionis) numerus...

Fecha: 03/06/2010 12:40.


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