Engadget

We know you've got questions, and if you're brave enough to ask the world for answers, then here's the outlet to do so. This week's Ask Engadget inquiry is from Meredith, who needs a new Ultrabook so she can go to Law School. If you're looking to ask one of your own, drop us a line at ask [at] engadget [dawt] com.

"I'm going to law school and I'll need a new laptop. Since I'll be commuting with a long train ride each way, I'm looking for a sub-$1000 device with Windows, a long battery life, SSD and it has to be lightweight. I don't need anything too powerful as I'm not doing any gaming, but something that'll work reliably for the next three years would be ideal for lecturers, web browsing and word processing. Is there a bargain to be had now, or should I wait for back-to-school Ultrabooks to come out? Thanks!"

In your humble narrator's position, waiting a few months for a Haswell device, which promises significantly increased battery life might be a wise choice. However, if you're not too fussed about a touchscreen device, then our laptop expert feels that Samsung's Series 9 might be the way forward. Of course, this isn't just a private enquiry, so let's share this out with the wider community and see what they can come up with. It's Ask Engadget, folks, you know the drill.

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If you didn't get enough mobile news during the week, not to worry, because we've opened the firehose for the truly hardcore. This week brought hints of changes to the Droid RAZR lineup, a peek at Sense with Android 4.2 and the arrival of the Lumia 520 to Canada. These stories and more await after the break. So buy the ticket and take the ride as we explore all that's happening in the mobile world for this week of May 6th, 2013.

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A Google-built alternative to Game Center on iOS and Games Hub on Windows Phone surfaced last month, and we know even more about it. Android Police dug into a new Play Services (an Android component you don't access directly, but does things like update Google apps) APK, and found the latest version hid a massive update getting ready for Google Play Games. Although it's not directly accessible yet, so far it's revealed support for system wide notifications, standardized notifications managed by Google+, and cloud synced game saves to work across multiple devices. Also built in are the other parts of any modern gaming service like matchmaking, leaderboards, achievements, lobbies and such. Exactly how all this works and how devs will put it to use will probably be revealed next week at Google I/O, but for now there are a few more screenshots beyond the source link.

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Alt-week takes a look at the best science and alternative tech stories from the last seven days.

There was a time when young, engineering minds were content with putting together radio controlled vehicles for leisurely amusement. Now, they're using their clever brains to make UAVs fly longer and land anywhere. At least we know who to blame when robopocalypse finally rolls around. This is alt-week.

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Electric vehicles still have a few obstacles that prevent them from going fully mainstream. These typically center on the price of the vehicle itself (though this is changing), and its range. One other barrier has also been the price of home-based chargers. Now, Bosch is offering a level 2 (quicker than the usually cheaper, and slower level 1) home charging system for just $450. For that price you get 16 amp charging and a 12 foot cord. There are two other options that increase the amperage to 30, with a choice of 18 or 25 foot cables -- costing $593 and $749 respectively. These don't include any additional networking features and so on, but for this price, and reduced reliance on external charging networks, it'd be worth clearing out the garage for.

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For the most part, battery packs have become what CD cases were in the late 90s -- generic and utilitarian. Nokia's new DC-18 portable chargers dare to be different. The sharp, tile-like designs house a modest 1,720 mAh cell, retractable micro-USB cable (that doubles as a a switch,) plus an LED battery level indicator that lights up when you extend the aforementioned appendage. It's available in four colors (red, white, yellow and blue), but only in select regions right now. No word on when and for how much, but color-coordinators can keep pinging the source to find out.

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The Hulu Plus app for Android has a new update, and the most noticeable change is that its player UI to closer match the one on its website and in iOS. It also brings features from those platforms like 10 second skip back and a preview thumbnail in the scrub bar. Hulu also claims it's rebuilt "for optimized awesomeness" with reduced buffering, better playback, and more device compatibility. Finally, in a move that should make plugging in your HDMI-out a little easier, it supports remote control navigation from game controllers and "similar peripherals." A picture of the new UI is above, check out the old version after the break or just hit the source link to try it out for yourself.

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Yesterday NASA reported that an ammonia leak had been discovered on the ISS. Astronauts Tom Marshburn and Chris Cassidy are embarking on an emergency spacewalk to fix the problem. NASA TV is broadcasting the walk live, and you can follow along on the somewhat safer journey past the break.

Update (3:54PM ET): Nasa has reported within the last or so that the faulty pump has been successfully replaced. The entire spacewalk took about six and half hours to complete, according to NASA's Twitter.

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Recently speaking at the Interop IT conference, PayPal's chief information security officer, Michael Barrett, stated that passwords and PINs were operating on borrowed time. Barrett hopes to replace online security keys with a setup that's a blend of software and hardware-based identification. He also serves as president of the Fast Identity Online Alliance (FIDO) -- the organization's focus is to combine an effective mix of software (passwords and plugins) and hardware (USB drives and fingerprint scanners) for user authentication.

PayPal's technology boss didn't allude to his company adopting these new types of security systems for its customers anytime soon. Instead he announced that FIDO-enabled devices will be hitting the market sometime this year. Progress, yes, but until this hardware becomes more widely available, it's likely that you'll be spending more time getting acquainted with two-step logins.

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