For questions involving physical interfaces and interactions with "real world" objects.

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5
votes
4answers
1k views

Should a light switch be small or big, or does this depend on other factors?

Small and big light switch compared: It's strange that this usually differs by country. The big ones are easier to hit, but the small ones provide better feedback (if you don't immediately see the ...
7
votes
2answers
256 views

Do manufacturers of markers produce different shapes for each type (whiteboard/permanent) so you can tell the difference by touch?

In the sense that this is an interface with the user of pens, I thought this might be an acceptable place to ask this question, but if it's just application interfaces, then please remove or close ...
20
votes
6answers
5k views

Why does the Redbox machine have barriers around the credit card swipe reader?

Perhaps you've seen one of these before. A couple of inches above and below the magnetic stripe reader are protrusions that allow just enough room to swipe a credit card. The barriers are a ...