The Blackwing of chalks, Fulltouch is beloved of mathematicians who despair now that the manufacturer, Hagoromo, is out of business.
Gizmodo's Sarah Zhang explains this legendary … chalk.
The first thing you notice is a shiny, clear coating on the outside — it feels like a thin layer of enamel. That sounds like a minor design element, but it cuts down on the biggest annoyance with chalk: dusty fingers.
Academics are breathless with awe at this incredible … chalk. Satyan Devadoss, a Williams College math professor, writes of the "Dream chalk."
There have been rumors about a dream chalk, a chalk so powerful that mathematics practically writes itself; a chalk so amazing that no incorrect proof can be written using this chalk. I can finally say, after months of pursuit, that such a chalk indeed exists.
I have just bought a $60 box of chalk.
I do not own a blackboard.
Hagoromo Fulltouch White Chalk 72pcs [Amazon referral link]
Since 1847, non-discerning Americans have been eating slices of flavored chalk branded as NECCO wafers. With the company possibly closing soon, they’re panic buying the inedible grim-tasting “candy” to torture one last round of guests or trick-or-treaters with their terrible taste in candy.
Greg Dietzenbach added some digital magic to his chalk drawings at last weekend’s Chalk the Walk festival in Mount Vernon, Iowa. “There were a lot of amazing artists but I wanted to do something different,” Dietzenbach says. “I wanted people to participate with my art.” (via Laughing Squid)
Former MIT physics professor Walter Lewin (who the university ultimately fired for sexual harassment) was a master of the chalkboard. Video below. Inspired by Lewin’s skills, Mike Boyd explains how to draw dotted lines on a chalkboard.
Concerned about your eyesight? You probably should be. And we’re not just talking about seniors here. Young or old, we’re all at risk of coming down with vision issues Most of us might get a vision test only once every couple of years or so when we get a new pair of glasses – if […]
We love our smartphones and tablets, but we also love to write. For a while now, there hasn’t been a workable solution. Either hook it up to a keyboard (which defeats the purpose of a portable gadget) or resign ourselves to typing on tiny, unresponsive glass icons. Looks like technology has finally caught up to […]
So you’ve got an iPhone 11 Pro Max. It’s an impressive piece of hardware – sometimes, too impressive. The more you’re compelled to use it, the more an age-old problem pops up: The dreaded low battery warning. Even if you’re on the go, perhaps the best solution to this is also pretty unobtrusive. It’s the […]