So when they gave me the CS7004 course to teach in college this year, I went a little mad for an hour there, and after I got back up off the floor and cleaned the froth off the keyboard, it turned out I’d ordered this, Logitech’s top-of-the-line presenter remote/laser pointer gizmo. It arrived last Tuesday, just in time to not be around for the largest presentation I’ve done for a few years, but I’ve been using it since for lectures in CS7004. And I have to say, it’s very nice indeed.
There’s a fair amount of buzz going round at the moment about Wi-Fi Direct, the latest thing from the WiFi Alliance people. It appears for all intents and purposes to be a version of the 802.11 Ad-hoc mode, designed to allow for connections between individual devices without the use of an AP or router, which led to bnet.com claiming it was a “sales bomb” that would somehow destroy Bluetooth, kill the majority of AP sales, kill all the companies who make connector cables and create a large security problem to solve as we all switch over to using WiFi Direct to hook up our various gadgets. And they’re not alone in suggesting this is a bluetooth killer.
Baloney. Utter rot. Nothing of the kind is going to happen, and it’s pretty obvious why. Taking one worry at a time: Continue reading →
So it’s not nonlinear math, but this made for a fun five minutes over Sunday morning coffee. There’s a number of ways of solving it, I went for the geometric one myself but the same answer comes out in the end for all of them, hopefully 🙂 And it’s nice to think you could still pass the Leaving Cert if you had to sit it again tomorrow, so hooray for Reddit.
Enjoy over coffee today! (My scribbled answer after the break…)
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