I'm curious about the phenomenon they mentioned of "circles being smaller with markers". I definitely noticed that when teaching my overall font size decreased on markers vs. chalk, even when using the skinny chalks. But the effective tip size even with small chalk is larger than that of whiteboard markers. So I wonder if we had big ass whiteboards with big ass tips on the markers if the writing style would be more similar. Or if it's more a function of the resistance you get with chalk+chalkboard. Could we make a whiteboard+marker that had more resistance? Like some hall effect or something. Sounds too complex relative to just using chalkboards.
That being said, a downside I didn't see mentioned was chalk dust. I have asthma but still prefer chalk, but I did not appreciate having to pound the dust out of the erasers when I was in grade school. I wonder if they could make the chalk magnetic and have magnetic trap at the bottom or something. But again too complicated.
Any
I think that whiteboard vs chalkboard is just personal preference/cultural, and that the explanations in the article are just trying to justify it (which is totally fair IMHO). So I don't think that there's any need to "fix" that problem with whiteboards.
I did not appreciate having to pound the dust out of the erasers when I was in grade school.
I wonder if they could make the chalk magnetic and have magnetic trap at the bottom or
something. But again too complicated.
The Russian solution is to use water - wipe the board with a wet sponge.If you wipe with a sponge, you can't really go on to use it immediately can you? Like you can't write well on a moist chalkboard?
Edit: note you can also write on a wet chalkboard just fine. The tactile experience is just a little worse.
Or my grade school never knew better, which is quite possible given its size/location. Or they thought it was funny to make kids deal with all the dust?
You could often see him walking around campus, covered in a fine white dust, looking like a ghost.
It's been 30 years, and I couldn't remember his name, but man do I remember his lectures.
Update: after typing this, I searched for him, and unfortunately found him almost immediately. He just passed away, and there was a memorial to him on the front page of his math department: https://www.math.fsu.edu/DepartmentNews/Articles/Fac_Nolder....
I note this line from the memorial: His students marveled at his ability to draw a perfect circle on the blackboard with a single stroke.
Here's to you, Dr. Nolder!
Also different colors on whiteboards is occasionally helpful for clarity, e.g. color-coding an equation to a line in a graph. But that's pretty minor.
You know, the worst part that makes them unbearable and a literal health hazard to use.