Whatever fond memories you might have of high school, Texas Instruments' TI-84 is an obsolete piece of crap: a 1980s design updated to 1990s technology made with 2000s penny parts and sold for more than $100 a pop to children all but forced to buy them. TI is a notorious lobbyist and has sought laws big and small to maintain this status quo, from mandatory Algebra courses with mandatory TI-84s to examination rules that allow its devices and no others. But the racket is falling apart under pressure from superior alternatives and growing resentment among teachers and students.
While tutoring low-income students in 2011, a Yale math grad named Eli Luberoff began to notice a “horrible inequity” in the system.
“A lot of families simply couldn’t afford to spend $100 on a calculator,” he says, “and it was creating a huge imbalance in access to math tools.”
So, Luberoff created Desmos, a free graphing calculator application for desktop and mobile. He didn’t expect it to turn into a company — but today, more than 40m students and teachers use it.
“Our business model is the exact opposite of TI’s,” says Luberoff: “Their model has always been to give [tech] away for free to textbook companies and force families to buy it at a premium price; our model is to give [tech] away for free to students, and charge textbook companies to integrate it.”
In four years, TI's "other devices" sales have slumped from $2.2bn to $1.4bn, an indicator that it calculators are not selling well.
The Lixada LED Handheld Flashlight is a $9 stocking-stuffer ($29 for 4): a six-LED/36 lumen flashlight that clips directly over the terminals of a 9V battery, forming an easy flashlight rated for up to 10,000 hours (battery life depends on whether you're switched to 6, 4 or 2 LEDs). One reviewer uses 9V batteries swapped […]
Wired takes a long look at the rapid progress in oral health in the 20th century from this: In 1899, the British Army was recruiting troops to fight in the Boer War and recruiters were appalled at the health of the men who were turning up. They were stunted, malnourished and had appalling teeth. “It […]
The business end of KOKUYO Beetle Tips highlighter looks a bit like a rhinoceros beetle’s horns, hence the name. Three-way refers to the fun you’ll have with the highlighter when you make three different kinds of marks with it. Amazon sells a colorful 5-pack for . [via]
With all the revolutionary tech that’s out there, it’s pretty sad that finding a simple stud in your wall can feel like dowsing for water. This can be equally true whether you’re using a magnetic finder and it’s reliance on “feel,” or an electronic unit that can give fuzzy readings (especially when the batteries are […]
Do you have any Star Wars fans on your list? Given the reach and output of its new corporate masters these days, it might be easier to ask if there’s anyone out there who isn’t a Star Wars fan. So let’s narrow it down further: Do you know a Star Wars fan who likes to […]
There’s much ado about coffee brewing methods these days, but most of us – at least on the busy weekdays – just want our morning joe to be consistent, easy, and most of all, fast. If that sounds like anyone on your Christmas list, they’re going to get a lot of mileage out of the […]
