On: Smallest transformer that can add two 10-digit numbers

[mapontosevenths]

> the sheer amount of energy and associated global warming risk

I think that's one very good reason to make them more efficient, and that's part of the point of contests like this one.

[tovej → mapontosevenths]

Making things more efficient in a market setting just means they're used more. Which means we eventually use more resources with efficient methods, not less.