f(x)=x? In theory the water in a shower can get infinitely cold? That would be some shower that can go past absolute zero. It would be interesting to shower in a Bose-Einstein condensate.

I haven’t tried Lem in Emacs (yet) but you could always convert your favorite communities to an RSS feed and then browse that with Elfeed. That is what I did with Reddit. You can covert a Lemmy feed to RSS with these directions https://openrss.org/blog/lemmy-rss-feeds