Cat Whisker Diode
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"vikb" <vikmere@gmail.com> wrote in message news:1183425120.276110.43230@a26g2000pre.googlegroups.com... > Hello, > I want to understand conceptually the fundamentals of a diode > operation. Can anyone enlighten? The diode, like audio and picture recording and the electrical power industry was invented by Thomas Edison. Edison discovered the "Edison Effect" about 1880 and patented it     

Group: sci.physics · Group Profile · Search for Cat Whisker Diode in sci.physics
Author: Tom Potter
Date: Jul 3, 2007 05:24

HI Brian, all, Your writings brought back memories of my local Wireless shop located in Middlesbrough. It was run by a chap called, Ben Williams, this was also the name of the shop. I remember going in there as a small lad who had discovered 'Wireless', and more specifically Amateur Radio by hearing Amateur operators on the 'Trawler Band'. I asked him for a "Cats Whisker" and his reply
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>"Ian Parker" <ianparker2@gmail.com> wrote in message news:6abf6b24-5f39-452a-a93b-ec9b2186a797@e53g2000hsa.googlegroups.com... >On 2 Aug, 10:08, "Tom Potter" <t...@hotsheet.com> wrote: >> "Sam Wormley" <sworml...@mchsi.com> wrote in messagenews:COkkk.277836$yE1.133835@attbi_s21... >> > Tom Potter wrote: >> >> >> But if you want to design machines, electronic systems and devices, >> >> bridges     

Group: uk.radio.amateur · Group Profile · Search for Cat Whisker Diode in uk.radio.amateur
Author: Ken chattenton
Date: Aug 16, 2008 01:07

On 2 Aug, 10:08, "Tom Potter" <t...@hotsheet.com> wrote: "Sam Wormley" <sworml...@mchsi.com> wrote in messagenews:COkkk.277836$yE1.133835@attbi_s21... Tom Potter wrote: But if you want to design machines, electronic systems and devices, bridges, building, chemicals, drugs, OR Atomic Clocks or GPS Systems, you best use Newtonian and Maxwellian models.   Sorry
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"Sam Wormley" <swormley1@mchsi.com> wrote in message news:COkkk.277836$yE1.133835@attbi_s21... > Tom Potter wrote: > >> But if you want to design machines, electronic systems and devices, >> bridges, building, chemicals, drugs, >> OR Atomic Clocks or GPS Systems, >> you best use Newtonian and Maxwellian models. > > Sorry Potter--One needs to use relativity and/or quantum mechanics     

Group: sci.physics · Group Profile · Search for Cat Whisker Diode in sci.physics
Author: Tom Potter
Date: Aug 3, 2008 03:55

"Sam Wormley" <swormley1@mchsi.com> wrote in message news:Yzwak.179919$TT4.174781@attbi_s22... Daedalus wrote: On Tue, 01 Jul 2008 19:12:33 GMT, Sam Wormley <swormley1@mchsi.com> wrote: Daedalus wrote: On Tue, 01 Jul 2008 14:53:09 -0400, "Robert J. Kolker" <bobkolker@comcast.net> wrote: Daedalus wrote: I used to admire physicists in a big
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PD wrote: >On Jul 1, 10:24 am, John Kennaugh <J...@notworking.freeserve.co.uk> >wrote: >> PD wrote: >> >> >Direct from physics, not from technologists: >> >> We could argue all day as to how much it is technology and how much >> physics. It is also true that many with a physics degree end up in >> engineering and technology. Someone with a physics degree designing a >> circuit does not make     

Group: sci.physics · Group Profile · Search for Cat Whisker Diode in sci.physics
Author: Ian Parker
Date: Aug 2, 2008 06:20

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 In 1947, I acquired a Scout's manual that had instructions on how to make a crystal diode radio. I begged, borrowed and stole to get money to mail off an order for a simple Germanium Diode and wound the tuning coils with wire I'd scrounged and shellacked em by hand. My tuning cat whisker was a safety pin I'd stole out of Zelda's sewing basket. I
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 In 1947, I acquired a Scout's manual that had instructions on how to make a crystal diode radio. I begged, borrowed and stole to get money to mail off an order for a simple Germanium Diode and wound the tuning coils with wire I'd scrounged and shellacked em by hand. My tuning cat whisker was a safety pin I'd stole out of Zelda's sewing basket. I     

Group: sci.physics · Group Profile · Search for Cat Whisker Diode in sci.physics
Author: Tom Potter
Date: Aug 2, 2008 02:08

"Uncle Al" <UncleAl0@hate.spam.net> wrote in message news:46B0AD73.A8ED93F0@hate.spam.net... Tom Potter wrote: 1833: [snip crap] I am surprised to see that Uncle Al thinks that the following historical facts are "crap", considering that the events lead to the modern electronic age. Michael Faraday experiments on the effect of temperature on the electrical conductivity of
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Group: sci.physics · Group Profile · Search for Cat Whisker Diode in sci.physics
Author: Tom Potter
Date: Jul 3, 2008 23:34

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Group: sci.physics.relativity · Group Profile · Search for Cat Whisker Diode in sci.physics.relativity
Author: John Kennaugh
Date: Jul 2, 2008 06:37

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Group: alt.recovery.aa · Group Profile · Search for Cat Whisker Diode in alt.recovery.aa
Author: Chronocidal Charlie
Date: Jan 1, 2008 00:08

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Group: alt.recovery.aa · Group Profile · Search for Cat Whisker Diode in alt.recovery.aa
Author: Chronocidal Charlie
Date: Jan 1, 2008 00:02

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Group: sci.physics · Group Profile · Search for Cat Whisker Diode in sci.physics
Author: Tom Potter
Date: Aug 1, 2007 22:06

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