this is too unclear , wasteful
Sorry Friend for the Mess of Life
G O A L of L I F E
i love this place even tho it sucks
i wonder why i was obsessed with arranging all these letters and symbols for this much time
it is easier to do than something i should have been doing
helping people get healthier
for Eternity
For God Be God
8. i^ An equation (e.g., f = m a) is called a "law" when there are clear empirical results that substantiate it.
1 COMMENT
August 30, 2012 - 11:26 AM
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Definitions such as of sickle cell anemia, robotics.
2 .
- Process Discussion such as environmental cycle, cardiac cycle
- 3. Comparisons such as of nuclear reactors.
- 4 .Descriptions, for instance of wind mills, generators and primitive stone scraper
- 5 .Feasibility Reports like those of Voice Recognition Software, UPS systems.
- 6. Progress reports. For example, Software development, database development
- 7. Application Letters such as Technical writer internee, Product Manager, Quality Assurance Manager
- 8. Complaint Letters. For example, Cosmetic problems, television problems, microwave problems
- 9. Instructions. For example, how to operate a Minolta Freedom 3 Camera, how to install windows XP, Using WS_FTP Pro for Windows etc
- 10 .Proposals such as academic proposals, research proposals, corporate standard manuals.
- 11.
- Descriptions, for instance of wind mills, generators and primitive stone scraper
- Feasibility Reports like those of Voice Recognition Software, UPS systems.
- Progress reports. For example, Software development, database development
- Application Letters such as Technical writer internee, Product Manager, Quality Assurance Manager
- Complaint Letters. For example, Cosmetic problems, television problems, microwave problems
- Instructions. For example, how to operate a Minolta Freedom 3 Camera, how to install windows XP, Using WS_FTP Pro for Windows etc
- Proposals such as academic proposals, research proposals, corporate standard manuals.
- Resumes. For example, Maintenance technician for high-tech systems, Project Manager, Technical Writer, LAN system administrator.
Electricity
Jules
Keplar
Best Kept Definition
An Explanation by WikiPedia
A Man Named John Maus
Writing Online - - 2 Volts of Current - 2 Current Currants , 1 Sky Scraper
Technical and Obvious and UsefuLL
:
:
The answer to this turns out to be almost — but not quite. To understand what this
means in detail, we need to do a little bit of background work. The key point to be made
here is that Maxwell’s equations and electricity and magnetism are relativistically correct:
all of E&M “knows about” special relativity, in the sense that the equations make sense
in any frame of reference. (When we transform reference frames, we modify the E~ and B~
fields according to those relativistic transformation laws we all learned to love ages ago.
However, the new fields still satisfy Maxwell equations.) This is NOT the case for gravity!
Significant modifications need to be made to make gravity relativistic. What we end up with
is Einstein’s theory of general relativity. In this lecture we will look at some basic properties
of general relativity.
To begin, we need to introduce a bit of notation.
24.2 4-vectors
Since space and time are unified in relativity, it doesn’t make much sense to treat them
separately. Accordingly, many concepts are described using 4-vectors, quantities that are
essentially just like the vectors we’ve known and loved since kindergarten, but with an extra
“timelike” component. For example, the position 4-vector is written
x
µ = (ct, x, y, z) .
The way to read this is that µ is an index, ranging from 0 to 3: x
0 = x
µ=0 = ct; x
1 = x
µ=1 = x;
x
2 = x
µ=2 = y; x
3 = x
µ=3 = z. Whenever you see an x with a number superscript, it means
the index — it does NOT mean take it to a higher power! This system can be a little
confusing when you first encounter it.
That the “timelike component of position” is time makes perfect sense. What do we
get when we try to make something like momentum into a 4-vector? It turns out that the
THANKS TO THIS PAERRSSOONNN --->>>
http://web.mit.edu/sahughes/www/8.022/index.html
T hanks
Ice Water
Caffeine molecule in a Brain Cell
That
is what you did . . . .
p
µ = (E/c, p
x
, p
y
, p
z
) .
We’ll introduce a few other 4-vectors before we’re done here.
220
24.2.1 Invariant interval
Back on Pset 6, we showed that the quantity
∆s
2 = −c
2∆t + ∆x
2 + ∆y
2 + ∆z
2
is invariant: all inertial observers agree on its value. This can be written this in terms of a
quantity called the metric:
∆s
2 =
X
3
µ=0
X
3
ν=0
gµν∆x
µ∆x
ν
where the metric tensor gµν can be represented as a 4 × 4 matrix:
gµν =
−1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1
.
This relation is usually written using the Einstein summation convention: repeated indices
are assumed to be summed from 0 to 3. In this convention, the invariant interval then
becomes
∆s
2 = gµν∆x
µ∆x
ν
.
We will use this notation from now on.
The End .
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