[GreenKeys] Ebay Listing

[Rodger Casey]

Well; it's actually quite simple.  You just do *not* print any air.  Elementary!  

> On Jun 25, 2015, at 11:55 PM, hwhall at compuserve.com wrote:
> 
> I eagerly await when we can 3D print vacuum tubes. And I'm really interested in how the vacuum gets applied.  ;-)
> 
> Wayne
> WB4OGM
> 
> -----Original Message-----
> From: WA5CAB--- via GreenKeys <greenkeys at mailman.qth.net>
> To: greenkeys <greenkeys at mailman.qth.net>
> Sent: Thu, Jun 25, 2015 10:09 am
> Subject: Re: [GreenKeys] Ebay Listing
> 
> Yes, I agree.  I was just giving the method that I would consider acceptable.  :-)
> 
> In a message dated 06/24/2015 23:45:50 PM Central Daylight Time, hwhall at compuserve.com writes: 
> That might be the way the Star Trek replicator worked (or did they convert energy to mass to make necessary element?) but I think that's not what's being done today. As far as I know, so far, none of the 3D printers do anything like assembling atoms to make new molecules to make the substance being printed, they just melt or vaporize strings of the materials being printed. 
> 
> Wayne 
> WB4OGM 
> 
> -----Original Message----- 
> From: WA5CAB <WA5CAB at cs.com> 
> To: hwhall <hwhall at compuserve.com>     
> Sent: Wed, Jun 24, 2015 10:37 pm 
> Subject: Re: [GreenKeys] Ebay Listing 
> 
> I would see the printer feedstock as being about 2/3 of the elements in the Periodic Table.  If the printer needed a little water, it would make it from hydrogen and oxygen.  Etc. 
> 
> 
> 
> 
> Robert & Susan Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
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