[Hammarlund] Speaking of Tubes ...

[Mark Dinsmore]

How about nanotubes?

http://news.sciencemag.org/physics/2012/05/return-vacuum-tube

- Mark NZ7X

Sent from my iPhone

> On Sep 30, 2014, at 8:02 PM, Glen Zook via Hammarlund <hammarlund at mailman.qth.net> wrote:
> 
> There were some vacuum tubes, even smaller than a TO-18 transistor, that were being developed for extremely high frequency use.  However, I haven't heard anything about the project for several years.
> 
> Glen, K9STH 
> 
> Website:  http://k9sth.net
> 
> 
> On Tuesday, September 30, 2014 9:55 PM, Guido Santacana <gsantacanav at gmail.com> wrote:
> 
> 
> 
> What if... Solid state devices had not been invented back in the 50s. Tubes would have evolved into ....... Sub sub miniature tubes?
> 
> 73s
> 
> Guido Santacana KP4FAR
> 
> Sent from my iPad
> 
>> On Sep 30, 2014, at 3:45 AM, "Ross Stenberg" <k9cox at charter.net> wrote:
>> 
>> All of this talk about tubes (specifically low power receiving tubes) makes me understand why they were superseded by sold state devices nearly 50 years ago.
>> 
>>  73 Ross K9COX 
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