copper crisis?

On 7/15/2022 9:34 PM, Anthony William Sloman wrote:
> On Saturday, July 16, 2022 at 12:00:57 PM UTC+10, Jasen Betts wrote:
>> On 2022-07-15, bitrex <us...@example.net> wrote:
>>> On 7/15/2022 11:09 AM, jla...@highlandsniptechnology.com wrote:
>>>> https://gizmodo.com/a-copper-shortage-is-likely-coming-for-the-energy-trans-1849178385
>>>>
>>>> Motor and transformer design are pretty advanced. I wonder if they
>>>> could be made with more electronics and less copper somehow.
>>>> Electrostatic motors miss by an enormous factor.
>>>>
>>>> As Africa and Asia advance and electrify, copper might be a limiting
>>>> resource. Solar and wind power need a lot of copper for power
>>>> gathering too. The numbers there could be interesting, lots of long
>>>> runs at relatively low voltage and power, used at low duty cycle.
>>>>   
>>> It's unfortunate that adding copper to aluminum (most abundant metal) or
>>> aluminum to copper basically makes either one way worse than if you'd
>>> left it pure.
>>>
>>> Like you'd think by adding say 10% aluminum to copper you'd get a wire
>>> that was some small percentage less conductive than copper but still
>>> retained most of copper's other nice properties, but IIRC it basically
>>> ruins it and above some pretty low percentage aluminum you can't pull a
>>> copper/aluminum alloy into a wire, anyway.
>> So don't mix, CCA works quite well for many tasks.
> https://en.wikipedia.org/wiki/Copper-clad_aluminium_wire
>
> Room-temperature super-conductors have got to be the long term solution, but nobody has yet set up a long-distance power cable with even a high-temperature super-conductor.
>
> The initial hype about fullerene nanotubes hasn't lead to any commercial products yet. Maybe it will eventually.
>
> John Larkin will ignore it as marketing hype right up to the point where he can buy reels of the stuff from DigiKey.
>
Just as a point of interest, in Panama City Fl. we have a port. There 
are many semi trucks coming out of the port with 5 stacks of copper plates
evenly dispersed on the trailer. They are 12" to 18" tall.

-- 
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus