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1
vote
2answers
164 views

Why don't all washing machines beep when finished? [closed]

I've owned several dishwashers, and they all beep loudly several times when they have finished a cycle. Not that I care, because I don't need to rush to open them and grab the clean plates. Usually it ...
93
votes
13answers
27k views

Why do door knobs still exist?

As far as I know, in US, grip-and-turn style door knobs are still the most popular, as opposed to lever-style handles, which dominate in the rest of the world. Is there some UX advantage to door ...
215
votes
15answers
41k views

Why do washing machines have windows?

I'm curious why every front-loaded washing machine I've seen so far comes with a window, while other household machines, like dishwashers, don't. From a design or UI/UX perspective, why would one ...