All posts on October, 2017


Free Windows 10 upgrade offer’s days are numbered

One of the best known nudge-nudge-wink-wink features of Windows 7 and 8.1 is about to fade into the sunset. As of Dec. 31, the offer to upgrade from either version of Windows to Win10 for free will end. At least, it looks like the offer will end. With no clear announcement from Microsoft, the nods and winks seem more furtive than ever.

At the core of the conundrum: Microsoft has officially permitted “genuine” Windows 7 and 8.1 machines to upgrade to Win10 for free, long after the original free upgrade program expired on July 29, 2016. The trick? You had to verify by asserting, “Yes, I use assistive technologies.”

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Wireless charging explained: What is it and how does it work?

Wireless charging has been around since the late 19th century, when electricity pioneer Nikola Tesla deomnstrated magnetic resonant coupling – the ability to transmit electricity through the air by creating a magnetic field between two circuits, a transmitter and a receiver.

But for about 100 years it was a technology without many practical applications, except, perhaps, for a few electric toothbrush models.

Today, there are nearly a half dozen wireless charging technologies in use, all aimed at cutting cables to everything from smartphones and laptops to kitchen appliances and cars. 

Wireless charging is making inroads in the healthcare, automotive and manufacturing industries because it offers the promise of increased mobility and advances that could allow tiny internet of things (IoT) devices to get power many feet away from a charger.

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