Tag: user agreement

Intel’s 800Gbps cables headed to cloud data centers and supercomputers

Intel’s pitch for Silicon Photonics. Intel and several of its partners said they will make 800Gbps cables available in the second half of this year, bringing big speed increases to supercomputers and data centers. The new cables are based on Intel’s Silicon Photonics technology that pushes 25Gbps across each fiber. Last year, Intel demonstrated speeds of 100Gbps in each direction, using eight fibers. A new connector that goes by the name “MXC” holds up to 64 fibers (32 for transmitting and 32 for receiving), enabling a jump to 800Gbps in one direction and 800Gbps in the other, or an aggregate of “1.6Tbps” as Intel prefers to call it. (In case you’re wondering, MXC is not an acronym for anything.) That’s a huge increase over the 10Gbps cables commonly used to connect switches and other equipment in data centers today. The fiber technology also maintains its maximum speed over much greater distances than copper, sending 800Gbps at lengths up to 300 meters, Intel photonics technology lab director Mario Paniccia told Ars. Eventually, the industry could boost the per-line rate from 25Gbps to 50Gbps, doubling the overall throughput without adding fibers, he said. Read 13 remaining paragraphs | Comments

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Intel’s 800Gbps cables headed to cloud data centers and supercomputers

Review: Mophie’s Space Pack doubles your iPhone’s battery, storage, and size

The Mophie Space Pack is an iPhone case with an integrated battery and 16 or 32GB of internal storage. Andrew Cunningham Specs at a glance: Mophie Space Pack Storage 16 or 32GB integrated NAND Ports MicroUSB 2.0 for charging Size 5.66″ 2.57″ x 0.63″ (143.76 x 65.28 x 16mm) Weight 2.80 oz (79.38g) Battery 1700mAh Warranty 1 year Starting Price $149.95 for 16GB, $179.95 for 32GB Compatibility iPhone 5 and 5S only. Not compatible with fifth-gen iPod touch or iPhone 5C. I bought one of Mophie’s external battery packs not long after we reviewed one in mid-2012 , and since then it’s become one of my favorite travel companions. My phone is in near-constant use while I’m traveling for work, whether I’m transmitting communications to the Ars Orbiting HQ , tethering my computer to my phone, or shooting some quick on-the-fly video or pictures without digging out my DSLR. The upside to an external battery pack is that I can plug pretty much anything into it, from an iPhone to an Android tablet to a Chromebook 11 . The bad thing is that you have to remember to have it on you, and you also need to carry around the necessary cables at all times. That’s where Mophie’s Space Pack comes in—it’s a revised version of the company’s Juice Pack battery cases with a twist. In addition to a 1,700mAh battery, it includes either 16GB or 32GB of storage that you can use to augment your iPhone’s internal storage. It’s not for everyone, but for some iPhone 5 and 5S users among you, it just might be able to kill three birds with one stone. The case The case slides on to your iPhone 5 or 5S. Pull the two parts back apart to get the phone out of the case. Andrew Cunningham The case itself is very similar to Mophie’s existing Juice Pack Plus or Juice Pack Air, the largest and second-largest battery cases the company sells. Its 1,700mAh battery is identical to the Air, and they share roughly equal physical dimensions and weight (the Space Pack is very slightly larger and heavier, but it’s hard to tell the difference). It comes apart in two pieces that slide onto the phone and interlock. The bottom of the case has a male Lightning connector that goes into the phone, but you charge the case itself with the same micro USB port that you might find in an Android or Windows phone or tablet. Read 15 remaining paragraphs | Comments

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Review: Mophie’s Space Pack doubles your iPhone’s battery, storage, and size

Teens get banned from an app after vicious attacks and threats

simon_bramwell The developers of Yik Yak , an app that works as an anonymous message board for up to 500 people in close proximity to one another, have selectively disabled the app’s use in Chicago following vicious sniping and rumor mongering by children using it at school. WLS-TV in Chicago reports that people in the city won’t be able to use Yik Yak until the developers figure out a way to get youth usage under control. Apps for sharing information anonymously like Wut and Secret have seen a recent surge in popularity. In the case of Wut and Secret, users are connected to people they actually know—Secret uses the mobile device’s contact list, and Wut’s (anonymous) contacts are powered by Facebook. Yik Yak, by contrast, connects a large swath of people—friends, enemies, and strangers—based entirely on their location. Among middle and high schoolers, this becomes many lockers’- and bathroom walls’-worth of pain and drama. WLS-TV reports students in Chicago have used it to spread rumors about rape, and in other locales, schools have been evacuated because of bomb threats on the service. Read 1 remaining paragraphs | Comments

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Teens get banned from an app after vicious attacks and threats

First OS X 10.9.3 beta improves support for 4K displays

An OS X 10.9.3 beta running in Retina mode on what appears to be a 39-inch Seiki 4K display. 9to5Mac OS X 10.9.2  was just released last week, but Apple has already begun testing for version 10.9.3, and the update will apparently come with some goodies for users of 4K displays. According to a report by 9to5Mac , the new update enables HiDPI “Retina” scaling on 4K displays that didn’t offer the option in previous OS X versions. It’s possible to enable HiDPI display modes on any monitor in OS X with some tweaking, but Apple is apparently interested in supporting Retina-style output on high-resolution monitors by default. Apple made a big 4K push with its new Mac Pro, which can support up to three 4K displays at once thanks to its twin GPUs and six Thunderbolt 2.0 ports. However, the company doesn’t yet make its own 4K Thunderbolt Display—current Mac Pro buyers can add $3,600 32-inch Sharp 4K displays  to their orders, or they can bring their own monitors. 9to5Mac’s testing was conducted with what appears to be a 39-inch Seiki Digital display , which as of this writing can be had on Amazon for $500 (though it doesn’t support a 60Hz refresh rate at 4K). According to others who have installed the new beta , 10.9.3 also apparently enables 60Hz 4K output on the 2013 Retina MacBook Pros. The Intel and Nvidia GPUs that power these MacBooks were previously capable of 60Hz 4K output when running Windows, but were limited to lower refresh rates in OS X. Higher refresh rates make for a smoother, more pleasant viewing experience, and are especially useful when editing movies, playing games, or in any other activities where response time is important. Those with older Macs likely won’t see 60Hz 4K support even after installing the update—the 2013 Retina MacBook Pros and 2013 Mac Pro are the only systems that support the requisite DisplayPort 1.2 spec. iMacs, MacBook Airs, and the Mac Mini will need to wait for a Thunderbolt 2 upgrade before they can drive high-resolution displays at the higher refresh rate. Read 1 remaining paragraphs | Comments

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First OS X 10.9.3 beta improves support for 4K displays

Critical crypto bug leaves Linux, hundreds of apps open to eavesdropping

A. Strakey Hundreds of open source packages, including the Red Hat, Ubuntu, and Debian distributions of Linux, are susceptible to attacks that circumvent the most widely used technology to prevent eavesdropping on the Internet, thanks to an extremely critical vulnerability in a widely used cryptographic code library. The bug in the GnuTLS library makes it trivial for attackers to bypass secure sockets layer (SSL) and Transport Layer Security (TLS) protections available on websites that depend on the open source package. Initial estimates included in Internet discussions such as this one indicate that more than 200 different operating systems or applications rely on GnuTLS to implement crucial SSL and TLS operations, but it wouldn’t be surprising if the actual number is much higher. Web applications, e-mail programs, and other code that use the library are vulnerable to exploits that allow attackers monitoring connections to silently decode encrypted traffic passing between end users and servers. The bug is the result of commands in a section of the GnuTLS code that verify the authenticity of TLS certificates, which are often known simply as X509 certificates . The coding error, which may have been present in the code since 2005 , causes critical verification checks to be terminated, drawing ironic parallels to the extremely critical “goto fail” flaw that for months put users of Apple’s iOS and OS X operating systems at risk of surreptitious eavesdropping attacks. Apple developers have since patched the bug . Read 7 remaining paragraphs | Comments

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Critical crypto bug leaves Linux, hundreds of apps open to eavesdropping

Comcast subscriber spinoff could create a new cable company

Comcast’s plan to divest itself of 3 million subscribers, which it hopes will help it win approval of a merger with Time Warner Cable, could result in the creation of a new cable company. Rather than selling off territories to existing cable companies, Comcast is considering an option to “[spin] them off in a new publicly traded company,” Bloomberg reported , citing anonymous sources.”Regulators may push for the spin-out because it would create a new competitor,” Bloomberg wrote. “A new company formed in such a way would be the fourth-largest US cable company by subscribers, trailing the merged Comcast-Time Warner Cable, Cox Communications Inc,. and Charter Communications Inc.” Creating a new company with those customers wouldn’t result in more choices for consumers in individual markets. Despite being the two largest cable companies in the US, Comcast and Time Warner Cable don’t compete against each other in any regional territory. Read 2 remaining paragraphs | Comments

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Comcast subscriber spinoff could create a new cable company

Snow Leopard updates are probably done—here are your OS X upgrade options

End of the line, Snowy. Apple Apple offers no end-of-life roadmaps for its operating systems, and it doesn’t officially comment on whether support has dried up for this or that version of OS X. The best you can do is look at historical data. Since switching to a yearly release cadence with Lion back in 2011, Apple seems to be willing to support whatever the latest version is plus the two preceding versions. When OS X 10.9.2 was released earlier this week, it was accompanied by security updates for OS X 10.8 and 10.7 but not for 2009’s OS X 10.6.  It’s the first major security update that Snow Leopard has missed—the OS is still getting iTunes updates, but its last major security patch happened back in September. This has prompted a flurry of posts from various outlets. All point out the same Net Applications data that says 10.6 still powers around 19 percent of Macs. Most compare the OS X support cycle to the much-longer Windows cycle. Some make  a bigger deal about it than others. None really tell anyone in that 19 percent what to do next. You’ll need to know the exact kind of Mac you’re using before proceeding—typing your serial number into this Service and Support page should give you the information you need if you’re not sure. Launching the System Profiler application from the Utilities folder will show you your serial number and your Mac’s specific model identifier (something like MacBook4,1 or iMac11,2), the latter of which can be used with this EveryMac lookup page to find what you’re looking for. Read 17 remaining paragraphs | Comments

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Snow Leopard updates are probably done—here are your OS X upgrade options

Two new Windows 8.1 SKUs coming: Standalone Enterprise and low-cost Bing edition

Microsoft is expected to expand the lineup of Windows 8.1 versions with at least one, and probably two, new editions of the operating system. The first is a straightforward affair. At the moment, Windows Enterprise is only available to organizations buying Software Assurance agreements. Microsoft has confirmed to ZDNet that from March 1, Windows Enterprise will be sold to any company with an Open, Select, or Select Plus plan. This will enable companies that don’t want to pay for Software Assurance’s features such as the automatic upgrade entitlements and extras such as the Microsoft Desktop Optimization Pack to have a way to get their hands on the Enterprise edition. Microsoft is also making changes to the interactions between Software Assurance and Windows Pro; you can read the full, complicated story at Directions on Microsoft , written by perhaps the only people on earth with a solid understanding of how Microsoft’s licensing works. Read 3 remaining paragraphs | Comments

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Two new Windows 8.1 SKUs coming: Standalone Enterprise and low-cost Bing edition

Exoplanet discovery rate goes from a trickle to a flood

The Kepler spacecraft NASA Today, NASA’s Kepler team has announced that it has developed a new technique to verify the existence of many of the planetary candidates in its back catalog. The technique, which relies on the presence of multiple planets in the system, has led to the single largest announcement of new planets in history: 715 of them, orbiting a total of 305 stars. Most of these are small, between the sizes of Earth and Neptune, and are tightly packed in the inner regions of the systems in which they reside, but four appear to be in the habitable zone. If you visit Kepler’s home page , you’ll see a count of confirmed planets in the upper right (it’s currently at 961). Hover over it, and you’ll see there are over 3,800 unconfirmed planetary candidates. Those candidates come from the method that Kepler uses to discover planets: watching for a mini-eclipse that causes a slight dimming of their host star’s light. A similar pattern can be caused by a dim star orbiting in the system (a configuration called an eclipsing binary system), which raises the prospect of false positives. In the past, this has generally involved multiple follow-up observations with a large telescope, which has held back the announcement of confirmed planets to a relative trickle. However, there have been a number of discoveries that have been based on Kepler data alone. These discoveries have come from multi-planet systems, where the planets gravitationally interacted, speeding up or slowing each other down. This activity creates regular variations in the timing and duration of the eclipses as the exoplanets transit between their host star and Earth. Read 6 remaining paragraphs | Comments

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Exoplanet discovery rate goes from a trickle to a flood

Twitter restores $50,000 @N username to its owner

In January, Naoki Hiroshima lost his Twitter handle, @N, to the hands of a hacker who used social engineering and extortion to wrest the username from Hiroshima’s hands. But today Twitter restored it to him after more than a month of the username being suspended. After @N was stolen, Hiroshima wrote a post explaining how the theft happened. Ars published the story (which originally appeared on Medium ), as well as an account of a man whose more valuable @jb handle was almost hijacked using the same methods. In Hiroshima’s case, a hacker was able to obtain some credit card information from his PayPal account and used that to reset the login credentials on his GoDaddy account. Then, the thief modified several details pertaining to Hiroshima’s domain so that he was unable to access his own site’s information. When the thief couldn’t reset the password for @N, he turned to extortion, contacting Hiroshima and demanding he reset the password to his Twitter account or suffer the destruction of his website’s domains. Read 3 remaining paragraphs | Comments

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Twitter restores $50,000 @N username to its owner