SomeoneSomewhere

joined 2 years ago
[–] SomeoneSomewhere@lemmy.nz 0 points 1 month ago (1 children)

What I mean is that the bulk of current copper wiring goes towards distribution and consumption, not generation.

Yes, but big batteries everywhere is going to effect that if there's copper in lithium batteries, and apparently there is.

This isn't a big thing. This is a constant thing in every system. It's the push and pull between efficiency and resiliency. More storage capacity is less efficient when things are going well, but is more resilient and adaptable when they're not.

Excess storage capacity, sure.

But inflating the base battery capacity to cover people having showers at 5pm because it's easier than storage water heaters and time/remote controls is stupid. You can reduce the base need for batteries by reducing the need for electricity in the first place and reducing the use of vehicles that need to carry batteries in place of e.g. overhead catenary.

[–] SomeoneSomewhere@lemmy.nz 20 points 1 month ago (4 children)

You're wrong in terms of long distance power lines being mostly copper, but this does seem a lot like fossil fuel propaganda.

Motors, generators, and transformers can be built using aluminium; they're just a bit bulkier and less efficient. Very common practice.

It looks like CCA might be making its way back into house wiring in the near future, with much lower risks than the 70s aluminium scare.

The big thing is that batteries really should be a last resort, behind demand response (using power when it is available, rather than storing it for later), long distance transmission, and public transport instead of private vehicles.

[–] SomeoneSomewhere@lemmy.nz 49 points 1 month ago

That's incorrect. Aluminium is about 30% worse by volume than copper, meaning you need to go up a size. What stopped it being used for houses was that the terminations weren't good enough, because aluminium has different thermal expansion and corrosion properties, plus they were using much worse alloys. That's now mostly fixed and if you're in the US, there's a very good chance that your service main is aluminium, and there's talk of allowing copper-clad aluminium (CCA) for subcircuit wiring.

Per mass, aluminium is a better conductor, which is why it's almost exclusively used overhead and in pretty significant volumes underground. The power grids were built on ACSR.

[–] SomeoneSomewhere@lemmy.nz 10 points 2 months ago* (last edited 2 months ago)

I mean, if it was written well, it might say something like discharge reproductively viable genetic material. It looks like an unfertilised egg disintegrates before leaving the body, so isn't viable.

'Discharging genetic material' on its own includes a nosebleed.

[–] SomeoneSomewhere@lemmy.nz 51 points 2 months ago

Yeah, it's kind-of the onion in that it's a satirical bill, presented to the House.

[–] SomeoneSomewhere@lemmy.nz 36 points 2 months ago* (last edited 2 months ago) (2 children)

Google has removed the video through an automated process without talking to the owner of the channel or verifying who owns the video in the first place.

Honestly sounds like Hanlon's Razor on Google's part. No collusion necessary, just can't be bothered to maintain/staff an actual effective system.

1
submitted 2 months ago* (last edited 2 months ago) by SomeoneSomewhere@lemmy.nz to c/xkcd@lemmy.world
 

After initial tests created a series of large holes in the wall of the lab, the higher-power Scanning Tunneling Tennis Ball Microscope project was quickly shut down.

https://explainxkcd.com/3080/

[–] SomeoneSomewhere@lemmy.nz 1 points 2 months ago (1 children)

Do you remember where you played it?

It sounds/looks a little like some of the stuff from bontegames.

[–] SomeoneSomewhere@lemmy.nz 82 points 3 months ago (23 children)

That's not bad pricing wise. There's very very little prosumer gear that's multi gigabit and it's all much higher price, or it's just a PC with several NICs.

If and when we move to hyperfibre this is going to be pretty high up on the list.

[–] SomeoneSomewhere@lemmy.nz 12 points 3 months ago* (last edited 3 months ago)

Lots of places also have variable limit signs that get updated based on traffic, accidents etc.

Here in NZ those seem to all be marked on the speed limit maps as 100km/h even if in some places the signs never go above 80.

Ngauranga Gorge is one such location and I believe has the country's highest grossing speed camera.

[–] SomeoneSomewhere@lemmy.nz 1 points 4 months ago

"Greater Canada".

[–] SomeoneSomewhere@lemmy.nz 8 points 5 months ago* (last edited 5 months ago) (1 children)
[–] SomeoneSomewhere@lemmy.nz 90 points 5 months ago (4 children)

As Someone Somewhere, I urge you to post more.

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