6
votes
2answers
682 views

Is there any research available about the speed of working with a mouse vs. working with a trackpad?

I ask this because of a friend who never hooks up a mouse to his laptop because he claims he can work just as fast with a trackpad as with a mouse. My personal experience is the other way around. I ...
26
votes
10answers
2k views

Traffic lights: “yellow” is progress, not state

When thinking about how (real-world) traffic lights work, I wonder if there is a more intuitive way to display the yellow light. The meaning of Green and Red are states: Green: Ok, you can go! Red: ...