| Topic: |
Science > Physics |
| User: |
"" |
| Date: |
04 Sep 2006 02:32:44 AM |
| Object: |
Feynman Lectures on Physics |
Hello Physicists,
Someone please tell me how the commemorative edition
and the regular edition of the Feynman Lectures on Physics
differ.
Thanks, ... Peter Easthope
shark at gulfnet dot sd64.bc.ca
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| User: "Andy Resnick" |
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| Title: Re: Feynman Lectures on Physics |
05 Sep 2006 07:52:42 AM |
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wrote:
Hello Physicists,
Someone please tell me how the commemorative edition
and the regular edition of the Feynman Lectures on Physics
differ.
One is in hardback with a blue cover, the other in paperback with a red
cover. AFAIK.
--
Andrew Resnick, Ph.D.
Department of Physiology and Biophysics
Case Western Reserve University
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| User: "" |
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| Title: Re: Feynman Lectures on Physics |
06 Sep 2006 07:09:31 AM |
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In article <edjs2o$18r$2@eeyore.INS.cwru.edu>,
Andy Resnick <andy.resnick@op.case.edu> wrote:
petereasthope@canada.com wrote:
Hello Physicists,
Someone please tell me how the commemorative edition
and the regular edition of the Feynman Lectures on Physics
differ.
One is in hardback with a blue cover, the other in paperback with a red
cover. AFAIK.
Buy the hardcover. It won't fall apart and is "cheaper" if
endurance is taken into account of the cost. At some point,
there was a bookstore who had the hardcover priced cheaper
than the paperback (I never did figure this mystery out).
I was inexperienced and bought Spacetime Physics in the paperback;
it was my first physics book I bought after I started haunting
this place.
/BAH
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| User: "G=EMC^2 Glazier" |
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| Title: Re: Feynman Lectures on Physics |
05 Sep 2006 08:40:53 AM |
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Interesting in a large hall as Feynman was talking about how weak a
force gravity was a large chandelier fell.He came back with "But not
always" Bert
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| User: "Sam Wormley" |
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| Title: Re: Feynman Lectures on Physics |
05 Sep 2006 03:53:04 PM |
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G=EMC^2 Glazier wrote:
Interesting in a large hall as Feynman was talking about how weak a
force gravity was a large chandelier fell.He came back with "But not
always" Bert
At a conference, Feynman was talking about his work on quantizing
gravity. "The gravitational force is weak," he said, "in fact, it's
damned weak." At that moment a loudspeaker fell from the ceiling
to crash onto the floor. Feynman didn't skip a beat: "Weak, but
not negligible."
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| User: "=?UTF-8?Q?Jeff=E2=80=A6Relf?=" |
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| Title: It's improper to say gravity is weaker than magnetism. |
05 Sep 2006 04:28:56 PM |
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Hi Sam_Wormley and Bert,
Unless you explicitly mention the scales you're working on,
it's improper to say gravity is weaker than magnetism.
The gravitational field between the earth and the sun is much stronger
than any magnetic field that might exist in that same space.
Likewise, the magnetic field between some electron and a nucleus it orbits is
much stronger than any gravitational field that might exist in that same space.
Both fields are ground states with intrinsic momentum.
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| User: "G=EMC^2 Glazier" |
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| Title: Re: It's improper to say gravity is weaker than magnetism. |
06 Sep 2006 07:59:15 AM |
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Jeff When physicist refer to a weak force for gravity they use a small
magnet. This small magnet can lift a nail off the ground. Thus showing
the gravity force of the Earth is no match for the magnetic force of the
magnet. However there is no magnetic field that can do what the gravity
of a black hole can do. nor can EM create a force strong enough to
create stars(fusion) Bert
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| User: "=?UTF-8?Q?Jeff=E2=80=A6Relf?=" |
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| Title: Taking a swan dive off the twin towers... |
06 Sep 2006 08:47:13 PM |
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Hi Bert, Taking a swan dive off the twin towers...
You'd be sorely missing the point if you thought
gravity was weaker than electrical forces.
Gravity would be the dominant issue for you... till you hit the ground,
then electrical forces would be your ( brief ) concern.
Notice that gravity ( not electrical forces )
was the issue for a much longer time and length.
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| User: "Bruce Scott TOK" |
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| Title: Re: Feynman Lectures on Physics |
06 Sep 2006 06:07:52 AM |
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Sam W wrote:
At a conference, Feynman was talking about his work on quantizing
gravity. "The gravitational force is weak," he said, "in fact, it's
damned weak." At that moment a loudspeaker fell from the ceiling
to crash onto the floor. Feynman didn't skip a beat: "Weak, but
not negligible."
That's a good one... can you give us the source? I tried google but no
luck.
--
ciao,
Bruce
drift wave turbulence: http://www.rzg.mpg.de/~bds/
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| User: "Aetherist" |
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| Title: Re: Feynman Lectures on Physics |
05 Sep 2006 06:29:17 PM |
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On Tue, 05 Sep 2006 08:52:42 -0400, Andy Resnick <andy.resnick@op.case.edu> wrote:
petereasthope@canada.com wrote:
Hello Physicists,
Someone please tell me how the commemorative edition
and the regular edition of the Feynman Lectures on Physics
differ.
One is in hardback with a blue cover, the other in paperback
with a red cover. AFAIK.
One quirk about the commemorative addition relative to the
normal "red" books. The former has an index only for the
volume itself while the red books have the full index to all
three. This make use of the later much easier than the former.
Paul Stowe
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