The safety issues with aluminium conductors are basically solved and there’s a slow push to reintroduce CCA into domestic wiring.

Also good old child abuse, poorly handled.

12, because they’re zero-indexed.

Probably six cores with hypethreading or the AMD equivalent.

Underfloor cooling is really rare (basically never used) because if you cool the floor to near/below the dew point, you’ll get water condensing on it.

Normally you want that water condensing somewhere with a good drain, so you get dehumidification too.

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OLED maybe but small micros are now so cheap and so small that they’re negligible.

Battery is probably still the biggest environmental impact.

‘Dumping’ is considered anti-competitive behaviour in a lot of places. This sounds a lot like that.

There are a number of 6-8GWe nuclear plants that dump 15+GW into the nearby sea (or in the case of Bruce, into Lake Huron). I don’t see it being much of an issue. Better than virtually any other cooling option.

The issues are maintenance, energy source, and equipment supply.