Re: Matter From Thin Air (is Copyrighted)

On Dec 21, 12:11 pm, "Dirk Van de moortel" <dirkvandemoor...@ThankS-NO-
SperM.hotmail.com> wrote:
"PD" <TheDraperFam...@xxxxxxxxx> wrote in messagenews:43a55c7c-bfd8-4d5b-afad-e02c7c4fb3d6@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
On Dec 21, 9:50 am, "Dirk Van de moortel" <dirkvandemoor...@ThankS-NO-
SperM.hotmail.com> wrote:
"Puppet_Sock" <puppet_s...@xxxxxxxxxxx> wrote in messagenews:e451991a-fe47-45d1-8c9f-29d869e91e6c@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
On Dec 20, 6:33 am, NoEinstein <noeinst...@xxxxxxxxxxxxx> wrote:
[snip]
Dear jc: Mostly you have been posturing, but this time you ask a
logical question. Like I told Sam, who asked the same thing, my proof
that Einstein knew about Coriolis is found in: "RELATIVITY, The
Special and the General Theory"; Chapter XV; second paragraph. It
says: "In accordance with the theory of relativity the kinetic energy
of a material point of mass 'm' is no longer given by the well-known
expression: mv^2/2, but by mc^2 / sq. r.[1-v^2/c^2].

Pretty sure you've got a typo there. Should be this.

Ek = mc^2(1 / sq. r.[1-v^2/c^2] -1)

Notice the extra -1 in there.

If the text you cite (and you have only an incomplete cite, not
even the name of the author) really says that, you need a new
textbook.

The error can be found all over the place:
http://www.marxists.org/reference/archive/einstein/works/1910s/relati...
http://bartleby.com/173/15.html
and it is in my Dutch translation as well.
It's even in the original German edition:
http://www.uni-kiel.de/ub/digiport/ab1800/G4378.html
(go 'Zu Seite' 41)

Bottom line advice to the layman:
first learn physics, then try to read Einstein's books.

When I first took quantum field theory, we were using two textbooks.
The homework assignment for the first semester was to find all the
errors in the first textbook. The homework assignment for the second
semester was to find all the errors in the second.

You had an excellent QFT professor.
In his second year (bio-engineer) my son had a course in
probablity and statistics. To be able to help him, I decided
to take a refresher and work through the course in andvance.
The 300+ pages pdf contained 248 errors (I counted them)
My son did not have an excellent statistics professor.
He was glad to have his dad.



Now, I suppose there are some who would bristle and say that QFT must
be completely bogus, then. Of course, this is ridiculous. As you point
out, it must have been a decent physics student who penciled the
question mark on the scanned version of page 41 of the German
translation. A practiced physicist would say, "Whoops, boo-boo," check
that the error does not propagate later, and move on.

Yes, I was *delighted* to see that question mark :-)

Dirk Vdm- Hide quoted text -

- Show quoted text -

Dirk: Several years ago a physics professor from NC was lamenting the
poor quality of textbooks. He complained that a "stylized" map in an
illustration showed the land masses of the western hemisphere so
misshaped, no wonder students can't learn what is where. When I first
read Einstein's SR book from a direct translation from the German, I
was amazed that he could only maintain a train of thought for one
paragraph. The words in successive paragraphs "sounded" studious, but
made little collective sense. Sadly for science, he inherited enough
money to hire translators to clean up his many mental mistakes. But
even so, those errors are on every page.

That professor you complimented for questioning Einstein, should have
gone one step further and refused to teach the course at all. But as
I have learned: Pay someone enough money, and they will land their
government-pensioned job, to "teach it". There isn't a physics major
in the USA that doesn't require the professors to have suspended
disbelief. To spare their embarrassment, they turn their backs to the
class as they "derive" the many absurdities. Oh well... Anyone got
any good things to say about academia? -- NoEinstein --
.

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