I don’t really understand what search topics have to do with improving the browser. The blog post doesn’t make that clear at all.

Not quite as good, but some brands use to sell cases that could go below ambient using basically an air conditioner: https://www.trustedreviews.com/reviews/asetek-vapochill-xe-ii-refrigerated-pc-case

I use Firefox all day on both Mac and Windows and this rarely happens. It does seem to happen on Linux for me sometimes though.

Today there was a page on my bank that just would not load in Firefox even though the rest of the site was fine. Switched to Chrome and it worked fine. I only use Chrome in these situations.