Showing posts with label computing devices. Show all posts
Showing posts with label computing devices. Show all posts

Sunday, January 05, 2014

The OLPC tablet, with Android

I've blogged previously about The OLPC Project. This tablet looks like it's made by them, but it isn't. It's made by Vivitar, though it looks like OLPC authorized or commissioned it:
XO 7-inch Kids Tablet XO-780
[...] Tablets are always a family device shared by children, parents and even grandparents. The XO Tablet is the perfect solution: a full-fledged Android tablet with Google Play for older users and the educational tablet with its own app store for children. Press one icon and the tablet changes to match the user. Parents set controls to limit child access to the Android version.

[...]

The XO Tablet is a continuation of OLPC's mission to put education and learning--through connected devices--into the hands of children around the world. OLPC's proceeds from XO Tablet purchases will be used to further develop the XO Learning software, to enable region-specific enhancements and customizations and to get connected technology to a larger population of children. OLPC, as a non profit organization, donates software, tablets, and teacher training to schools with underprivileged children in the U.S. and around the world. [...]
The reviews are mostly positive. And interestingly enough, adults seem to find it equally useful. Follow the link, there's lots more information. I've been looking at tablets, and for the price, this one seems pretty good.
   

Saturday, September 01, 2012

Computer Screens, and a Good Sleep

They DON'T go together:

Can't Sleep? It Could Be Your iPad
Glow From Tablets at Bedtime May Make It Tougher to Sleep
Aug. 31, 2012 -- Is setting down your iPad the last thing you do before bed? New research shows that all of those nighttime hours spent with your tablet can wreak havoc on your sleep.

The bright light emitted from these tablets can suppress melatonin. That's a hormone that helps control sleep and wake cycles, called circadian rhythms.

The researchers only looked at the iPad, iPad 2, and a tablet known as the Asus. Using these tablets for two hours on their brightest settings suppressed melatonin by about 22%. The findings appear in the journal Applied Ergonomics.

“If they are bright and they are big and are close to your eyes, they have more potential to disrupt your melatonin than the TV, which is usually farther way,” says researcher Mariana Figueroa. She is an associate professor at Rensselaer Polytechnic Institute in Troy, N.Y.

iPhones and other small gadgets may not affect circadian rhythms. “Smaller devices emit less light,” she says. But even if these devices aren't zapping the body’s melatonin supply, they may still be disrupting sleep by delaying your bedtime, she says.

Not ready to give up your tablet before bedtime? Follow these four tips to make sure you use them in a way that does not leave you tired all day long. [...]
I always suspected that working on the computer right before bedtime, somehow 'wired' my mind, instead of relaxing it. Now this seems to offer proof:
[...] “These devices are faking out our body and saying it’s morning when it’s night,” Breus says. This disruption in circadian rhythms can affect learning among school-aged children. “Impose an electronic curfew,” he suggests. [...]
Exactly. That's why I usually read a book in bed for a bit, before turning in. No glowing screens.

   

Wednesday, July 11, 2012

Google's New "Kindle Crusher", the Nexus 7



Google’s Nexus 7 Tablet Crushes Kindle

[...] Google (GOOG)’s new Nexus 7 is aimed directly at the Kindle Fire, the seven-inch color tablet that was the runaway hit of the last holiday season. The Nexus 7 obliterates every reason for buying the current Kindle, and sets a high bar for whatever Amazon comes up with to replace it.

The Nexus 7 is Google’s first foray into selling a tablet under its own brand. It’s currently available for pre-order from Google Play, the company’s online store, with customer deliveries expected to begin next week. It costs $199 for a model with eight gigabytes of storage, same as the Kindle, or $249 for 16 gigabytes.

The device is manufactured by Taiwan-based Asustek (2357), and Google chose its partner wisely. Asus makes some of the prettiest tablets and personal computers this side of Apple, and the Nexus 7 is as attractive and smooth as the Kindle Fire is chunky and clunky.

At 7.8 inches tall and 4.7 inches wide, the Nexus 7 is compact enough to slide into a jacket pocket. A rubbery, textured back makes it easy to grip. Like the Kindle Fire, it works only over a Wi-Fi connection; while the screens are the same size, the Nexus 7’s has a resolution of 1280 x 800 pixels, compared to the Kindle Fire’s 1024 x 600.

More and Better

The Google tablet also has a more powerful, quad-core processor from Nvidia (NVDA), twice the internal memory and better battery. At four-tenths of an inch thick and 12 ounces, it’s also thinner and 18 percent lighter.

Go down the list of standard tablet features, and the Nexus 7 wins every one. Camera? None for the Kindle; the Nexus has a front-facing camera and microphone for video calls.

Bluetooth? The Kindle doesn’t have it; the Nexus 7 does.

GPS? Yes on the Nexus, along with a newly-enhanced Google app that lets you save maps for use even when you’re offline. The Kindle has nothing like it. [...]

Read the whole thing for more details.

I had considered getting a Kindle, but many of the reader reviews I've read on Amazon.com have said that the latest Kindle model has been plagued by "Freezes", making it unreliable. I was really put off by the customer complaints.

The Nexus 7 sounds interesting, but I think I'll wait for more reviews. Thank goodness for competition.
     

Saturday, August 13, 2011

Is the PC about to become Obsolete?

One of the designers of the first PC seems to think so:

IBM PC daddy: 'The PC era is over'
Chucks own invention into vinyl record bin

One of the dozen engineers who designed the original IBM PC, which celebrates its 30th anniversary on Friday, says that the reign of the personal computer is coming to an end.

"They're going the way of the vacuum tube, typewriter, vinyl records, CRT and incandescent light bulbs," writes IBM's Middle East and Africa CTO Mark Dean in a company blog post.

"When I helped design the PC," Dean writes, "I didn't think I'd live long enough to witness its decline. But, while PCs will continue to be much-used devices, they're no longer at the leading edge of computing."

Dean, who now uses a tablet as his "primary computer", believes that computing is no longer centered around devices, but instead on people's interaction with them.

"These days," he writes, "it's becoming clear that innovation flourishes best not on devices but in the social spaces between them, where people and ideas meet and interact."

It is, of course, to be noted that Dean is toeing the company line. IBM is extricating itself from making devices, and through its Smarter Planet initiative is focusing more on outcomes and usage models than mere hardware. [...]

I got a close look at an Acer A500 tablet the other day, when I was helping one of our customers connect it to our wi-fi. He was a 31 year old, and quite enthusiastic about it and it's features.

It only has 1 gig of memory. It can do most things like internet browsing, email, social media, etc. He says he can even pay bills on-line with it.

Still, I doubt it can run QuickBooks yet, and even if it could, I want a real keyboard and a large screen, not a touch pad. I think you can plug a larger screen into it, and perhaps a real keyboard too.

Anyhow, it seems to be mostly about portability and the touchpad, two things I don't need. It seems almost like a cross between a smart phone and a netbook. I don't see how a serious computer user could use it as their "primary" computing device.

But of course, this is only the beginning. I've already read about more powerful versions in the works; I don't doubt that their popularity will continue to grow, along with their capabilities. But in the end, won't they just be PC's that are lighter, more portable, and easier to use? More like the next step in the evolution of the PC, rather than the end of it.