Fascinating Story of a Calculating Device Born (in part) in a Concentration Camp
New Atlas tells the story of the Curta mechanical calculator, and it’s designer Hertzsark who had to draw designs as a prisoner at Buchenwald. It’s well worth reading.
New Atlas tells the story of the Curta mechanical calculator, and it’s designer Hertzsark who had to draw designs as a prisoner at Buchenwald. It’s well worth reading.
Back in my earlier days in electronics, as the glaciers receded, the NiCad battery was a new, great, and often expensive thing. We were taught to frequently let the battery drain and then recharge, as the cycle helped condition the battery. I get asked this question frequently regarding modern cell-phone batteries, and I admit my…
This is on sale for just $99.99 on Amazon through October 9. I am not recommending this as something I’ve tested, but the competition is heating up for voice command devices, and Amazon got into it early with the Echo and now this. If you’ve had any luck with things like Siri and Cortana, you…
If you’re a marketer, this is important. Source: recode. Hat tip: FiveThirtyEight.com.
How to beat ransomware: prevent, don’t react, from MalwarebytesLabs. The one thing I would add to this article is further emphasis on backup. I can’t emphasize it enough. No matter how attentive you are, you cannot absolutely be certain that you won’t get hit by ransomware. You can be careful, but most people use their…
I installed this rather useful extension on the Chrome browser on my laptop and quite stupidly forgot two things: With Chrome on multiple computers signed into the same account, the extension is added to all. Google Hangouts on Air uses this type of video. One can disable this extension by the page, but the extensions…
I’m continuing to work with my aer.io store and will have a number of new things on here shortly. They have improved their widget, making it easier to embed in WordPress code. I’ll reflect that in a widget shortly. Here’s a widget for a book I just reviewed, the NIV Cultural Backgrounds Study Bible. Buy…
In considering how to update a table based on a set of input data that might or might not actually change the records, I was wondering how MySQL processed an UPDATE where the record in question was already up to date. The question would be overhead in processing. If the record is left alone, there…
Since I’ve been showing my progress setting up with aer.io, I must note that they are making some great changes that improve the usability of the site. Here’s a widget for an uploaded ebook, in this case Dr. David Alan Black’s Aprenda a leer el Griego del Nuevo Testamento (trans. by Thomas Hudgins, et. al.):…
FYI – I sent this out accidentally to my Facebook and Twitter followers. Please ignore. I’m working on the various functions of aer.io, adding buy buttons and widgets. After a rough day yesterday, I seem to be getting it! I’m going to test an aer.io buy button inline for Pathways to Prayer You should see…
(Note: Page author Henry Neufeld is compensated for sales made through links on this page.)