So what does a good teacher do? Create tension - but just the right amount.
We expert teachers know that motivation and emotional impact are what matter.
Also note that invariably when we design something that can be used by those with disabilities, we often make it better for everyone.
Sure, one can always get the students to relax and be happy - entertained, but although being laid back and relax can also lead to creativity, mostly it means that nothing much gets done.
I believe that robots should only have faces if they truly need them.
Knowing how people will use something is essential.
Everyday people are not very good designers.
Isn't one of your first exercises in learning how to communicate to write a description of how to tie your shoelaces? The point being that it's basically impossible to use text to show that.
Scientists are always skeptics.