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Article View: sci.physics
Article #9019

Re: how to prove that sound is a wave ?

#9019
From: doug
Date: Tue, 19 May 2009 03:14
73 lines
4710 bytes

jimp@specsol.spam.sux.com wrote:

> In sci.physics doug <xx@xx.com> wrote:
> 
>>
>>Jack Sprat wrote:
>>
>>
>>>RustyJames wrote:
>>>
>>>
>>>>On May 18, 9:36 am, doug <x...@xx.com> wrote:
>>>>
>>>>
>>>>>Jack Sprat wrote:
>>>>>
>>>>>
>>>>>>j...@specsol.spam.sux.com wrote:
>>>>>>
>>>>>>
>>>>>>>In sci.physics Jack Sprat <jack_sp...@invalid.uk> wrote:
>>>>>>>
>>>>>>>
>>>>>>>>Do you understand, at every level, how a transistor works? What
>>>>>>>>is this "hole" theory then? A form of transmission using
>>>>>>>>nothingness? Why would two materials conduct electricity in one
>>>>>>>>direction, but not the other, based on how they are joined?
>>>>>>>>Sounds pretty magical, no?
>>>>>>>
>>>>>>>Not hardly; all those semiconductor physics classes made perfect
>>>>>>>sense and things worked like the theory said in the lab.
>>>>>>
>>>>>>Where? In trade school? Yes! Just as I thought.
>>>>>
>>>>>Jack is mistaking his ignorance and lack of education for others.
>>>>>Those of us who have studied physics understand this but Jack is
>>>>>enjoying his ignorance while hoping others have the same lack.- Hide 
>>>>>quoted text -
>>>>>
>>>>>- Show quoted text -
>>>>
>>>>
>>>>EM radiation in a vacuum always travels at the speed of light,
>>>>relative to the observer, regardless of the observer's velocity. 
>>>
>>>
>>>Do you think "doug" can actually get this far with his
>>>trade school understanding of physics?
>>
>>Since jack has nothing to contribute, he decides to make a silly
>>statement based on his ignorance of science as well as my
>>education. Unlike jack, I have a PhD in physics.
> 
> 
> Sounds more like sour grapes.
> 
> When I went to school, semiconductor physics were 3rd year courses,
> mostly attended by EE's looking to get into semi design.

When I was teaching, it was interesting to see the folks who came
in without any interest in learning and just looking for an easy
way to get through the classes without working. Jack might be
one of those if he got that far.  For one final exam in a
senior engineering course, I took every other student and moved
them to another room so they could not copy off their neighbors.
It was impressive to see some zeros on the exam. The students
had learned who to sit near so they did not have to study.
> 
> Jack obviously never got that far in school.
> 
> 
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References: <68a90408-d3a5-4aea-8dcd-5fd45650959d@n8g2000vbb.googlegroups.com> <otl5e6-plq.ln1@mail.specsol.com> <6e9cc597-42c7-40b3-b0e4-1942aaac2e0b@s16g2000vbp.googlegroups.com> <v5q5e6-t.ln1@mail.specsol.com> <57f69143-27c2-4753-b26c-b2de09b8d070@e24g2000vbe.googlegroups.com> <irt5e6-k02.ln1@mail.specsol.com> <7e579$4a105374$483141c$25357@DIALUPUSA.NET> <mnl6e6-1ve.ln1@mail.specsol.com> <d10ae$4a10e1e8$483170d$4332@DIALUPUSA.NET> <EIydnYFmafi_HYzXnZ2dnUVZ_qWdnZ2d@posted.docknet> <df1ac5f7-0189-432a-bc78-f4ff5d724cd7@w31g2000prd.googlegroups.com> <f2c9c$4a11a45c$4831164$8420@DIALUPUSA.NET> <YZWdnTzJHts1MYzXnZ2dnUVZ_udi4p2d@posted.docknet> <3lr8e6-bkq.ln1@mail.specsol.com>

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Date: Mon, 18 May 2009 19:14:24 -0800
From: doug <xx@xx.com>
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Subject: Re: how to prove that sound is a wave ?
References: <68a90408-d3a5-4aea-8dcd-5fd45650959d@n8g2000vbb.googlegroups.com> <otl5e6-plq.ln1@mail.specsol.com> <6e9cc597-42c7-40b3-b0e4-1942aaac2e0b@s16g2000vbp.googlegroups.com> <v5q5e6-t.ln1@mail.specsol.com> <57f69143-27c2-4753-b26c-b2de09b8d070@e24g2000vbe.googlegroups.com> <irt5e6-k02.ln1@mail.specsol.com> <7e579$4a105374$483141c$25357@DIALUPUSA.NET> <mnl6e6-1ve.ln1@mail.specsol.com> <d10ae$4a10e1e8$483170d$4332@DIALUPUSA.NET> <EIydnYFmafi_HYzXnZ2dnUVZ_qWdnZ2d@posted.docknet> <df1ac5f7-0189-432a-bc78-f4ff5d724cd7@w31g2000prd.googlegroups.com> <f2c9c$4a11a45c$4831164$8420@DIALUPUSA.NET> <YZWdnTzJHts1MYzXnZ2dnUVZ_udi4p2d@posted.docknet> <3lr8e6-bkq.ln1@mail.specsol.com>
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