My first company got its first investment so I knew I was leaving academia. The world outside academia had white boards, which felt unnatural and the markers always running out of ink. A piece of chalk, you knew exactly how much was left -- a physical bar chart.
I asked him for a blackboard. I still have it and use it, though not daily. It's about 4 feet by 6 feet. The only thing that compares and that drew me away from it to any degree is mindmapping software. I use Freeplane https://www.freeplane.org/wiki/index.php/Main_Page, but it doesn't replace the blackboard.
Nothing like a blackboard.
I wonder if you could make a whiteboard marker holder that can tell you how much is left in the marker by noting the changes in weight as the ink is used?
BTW, apparently you can get refillable markers. That could help a lot. Keep two of each other color, starting with both full. When one runs out, switch to the other, and sometime before that runs out, refill the first.
At my last office, I asked if I could have a blackboard instead of a whiteboard, but my boss said that chalk dusk is bad for computers and rejected my request.
Nice Japanese chalk on a piece of slate sanded to the appropriate roughness is silky smooth.
Is this still available? I heard the company went out of business.
Mostly they were filled with random graphitti, but we also often put up mathematical brainteasers and it was interesting to see people's attempts at solutions.
They stayed there til the end of the semester, I was sad to find them gone upon returning next year.
I have my own markers and eraser to avoid the "tragedy of the commons" with dried-out markers. I recommend this scheme to anybody, because it avoids the frustration of going through one pen after another, in search for one that writes without skipping.
But, even with a good marker, I find it quite difficult to get a constant-thickness line, especially for quick markings on the board. So, almost everything I write gets erased at first, getting only a bit better as I reorient the pen. This is quite annoying for students.
And I can barely write mathematical symbols with those damned markers.
Also, the shiny whiteboard reflects the overhead lights, which means that it's hard for my students to see what I'm writing.
On the educational front: nothing gained, quite a bit lost.
On the cost front: pens burn up money faster than chalk, and whiteboards need to be replaced every few years, because something happens to make them difficult to erase.
I suspect that chalk causes no health problems. But volatile fluids, and whatever that ink is made from? I worry a bit about those.
One of the things I saw in many student evaluations of my teaching was how much they liked the blackboard. (A lot of profs show slides, which is a disaster, in my view, for mathematical subjects.)
The only good thing I can see about whiteboards relates to faculty replacement. It encourages people like me to take an early retirement and get the hell out of the place.
Many of the popular brands have two identical white boards, one slightly cheaper and differing by a digit in the product code. The more expensive one is the one that can be erased more easily.
When our faculty got moved to a brand new building, it turned out that there where no old-school blackboards installed, only new digital ones. The math department were the only ones to screw down their trusty old boards, and bring them to the new building.
I thinks it's cute and all, but I simply can't go back to the old ways. Give me digital board, and I'll take that, any day of the week.
(Being a guitar player, it all reminds me of the analog / tube snobs that refuse to touch digital modelers)
There are cheaper large touchscreens but they won't use capacitive sensing which is what makes the Microsoft Surface "snappy."
I also, unrelatedlely, hated getting my hands dried out with chalk. So whiteboards won in every measure.
I don't see the point of going from blackboard to whiteboard, and I suspect not every topic would be better on a Hub vs a blackboard. That said, for a corporate environment, the Hub worked surprisingly well, as it's somewhat better than a regular whiteboard and you can skip the part of a meeting where everyone tries to take a picture of the whiteboard with their cell phones.
I know at least one brand has a phone app that is supposed to be able to process photos of their tablet for saving. Haven't looked into that yet.
I feel bad because I know it cost a little money, but I never managed to come up with a reason to use it beyond a few test scans the first day. Within a couple weeks I'd misplaced the pen anyway, still don't know where it ran off to, but I don't miss it. I just have no idea what it does for me over normal paper + scanner app. Circling the place to send it takes almost as long as "tap share, tap where to send it" on my scanner app, and is less flexible, and failed to work often enough that I didn't think I could trust it. Scans are at least as fast and for whatever reason come out much higher-quality on the non-Rocketbook app. The scanner app sends straight to whatever service I'm connecting to, no reliance on some 3rd party server for any of its functionality.
Contrary opinion provided in case anyone's looking at this for product recommendations.
Is anyone aware of a source for this? I always figured the majority were mathematical formalists (like me) and was surprised to see this statement.
I was also happy to see multi-colored chalk getting solid representation up there :D
Ceci n'est pas une pipe.
I don't know (wasn't me), but, if I had to guess, I would say probably because it's a throwaway joke and has no relation to the article.
Ms. Wynne was drawn to math through her summer
neighbors on Cape Cod, Amie Wilkinson and Benson
Farb, who both teach at the University of Chicago
A little indirection via a URL shortener still works.
"Log in or create a free New York Times account to continue reading in private mode."
In fact, I have created a free NYT account, but if I were to log in, my browsing surely wouldn't be private. It is a conundrum.
Firefox hasn't yet, to my knowledge.