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211
votes
15answers
39k 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 ...
101
votes
12answers
13k views

Why did the mouse beat the light pen, paddle, and other pointing devices?

I recently watched the mother of all demos from 1968 which did an excellent job of showing how computers can be personal. Something that stood out to me was the mouse. This device has remained ...