Week in review: You know you want a $25 computer that can run Quake 3

Closeup of tiny $25 Raspberry Pi computerHere’s our roundup of the week’s top tech business news. First, the most popular stories VentureBeat published in the last seven days:

This $25 computer (yes, computer!) also runs Quake 3
It’s hard to believe, but the Raspberry Pi computer is smaller than a USB stick, costs just $25, and can run Quake 3 at full resolution with a respectable frame rate. The popularity of Matthew Lynley’s story shows that you people are just as excited about this as we are.

Behold! Samsung’s Galaxy S II phones for AT&T, T-Mobile and Sprint
Devindra Hardawar’s post gave you an early look at these two beauties. And a few days later, Sean Ludwig followed up by getting some hands-on time with the Galaxy S II phones.

Apple loses another iPhone at a bar
Oops! They did it again. Or did they? Devindra Hardawar’s story reports on a story that Cnet broke about an iPhone 5 prototype being left at a San Francisco bar — but documentation is sketchy in this case.

Rumor: iPhone 5 to sport screen under 4”, metal back
Here’s one iPhone 5 rumor that we hope ends up being bunk: Apple may be keeping the iPhone 5′s screen size somewhere under 4-inches. Devindra Hardawar details the latest rumors from Chinese component suppliers.

Salesforce.com’s Marc Benioff cheers on HP for fleeing PC industry
Everyone else thinks HP has lost its mind. Not Benioff: He welcomes the company to the new, cloud-based future. He also predicts we’ll soon see a corporate CEO get fired “for failing to listen to its customers and to listen to employees, just like Gadaffi and Mubarak.” Story by Matthew Lynley.

And here are five more posts we think are important, thought-provoking, fun, or all of the above:

Otoy’s cloud tools can render stunningly realistic video (exclusive)
Otoy’s team has created cloud-based animation tools that can create hyper-realistic imagery. And they will put this technology in the hands of people who could otherwise never afford such special effects. Get the in-depth story, with amazing images, by Dean Takahashi.

Exclusive: Facebook opens up about open-source software
This is the second of a two-part exclusive on Facebook’s involvement with and creation of open source technologies. VentureBeat’s Jolie O’Dell goes in-depth with Facebook’s David Recordon about the company’s use of — and contributions to — open source software.

Vinod Khosla says get rid of experts and invent the future you want (video)
Vinod Khosla’s advice for entrepreneurs is to ignore the experts and invent the future you want. That’s what he told the graduating class of Singularity University — and then VentureBeat’s Dean Takahashi sat down for an exclusive five-minute video with this legendary investor.

Back to school: Our top 5 digital education tools
Textbooks are making the leap from paper to the Web and mobile apps. So, with school just around the corner, let’s take a look at some of the latest tools to help you get the most out of your education. Meghan Kelly rounds up five of the best.

Purple lights and math help PlantLab grow food more efficiently
The Dutch “plant control freaks” behind PlantLab want to farm indoors under purple light. It’s not just for the looks, though. PlantLab has recently developed a set of technologies for optimal indoor farming so that food can grow anywhere from the sunless heart of an office building to an abandoned factory. Story by Ciara Byrne.

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