That’s why nearly all hot ends have some sort of fan cooling. However, lately we have seen announcements and crowd-funding campaigns that make it look like water cooling will be more popular ...

Water cooling systems appeal to people who push the envelope and build personal computers with the fastest chips, because water cooling is very efficient. They also eliminate large, noisy fans.

The rear side of a traditional smartphone does not matter ... phone featuring an active cooling system like this would contain only water. OnePlus 11 Concept looks just like the regular model ...

This last reason is entirely subjective and depends on whether you agree that custom open-loop water cooling looks better than air coolers or an AIO liquid cooling kit. I believe they do and can ...