Saturday 18 August 2012

Mars Rock-Zapping Laser Explained

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August 18, 2012
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Mars Rock-Zapping Laser Explained ChemCam can look at rocks and soils from a distance, fire a laser to vaporize the materials and analyze them with an on-board spectrograph that measures the composition of the resulting plasma.
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Biometric ID Tool Benefits Questioned in Light of Privacy Concerns Opposition to biometric ID is pretty widespread, and most of that opposition is based not on prophecy, but on concerns about privacy.
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iPhone Flaw Allows SMS Spoofing, Says Hacker Hacker claims iPhone is vulnerable to spoofed text messages that could be used in phishing attacks.
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NASA: Mars Curiosity Ready to Roam, Shoot Lasers With the Mars Curiosity rover's science instruments working well, NASA engineers are getting ready for two big tests of their robotic rover.
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AT&T: FaceTime Over Cellular Will Require Shared Data Plan AT&T won't charge extra to use Apple's FaceTime over cellular networks as previously reported, but there's a catch.
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Cloud Uptake Lower Than Expected, Research Firm Says Gartner says cloud computing is moving slower than what everyone thought it would.
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Coming Soon: A 'Pure GNOME' Ubuntu Linux With 'GNObuntu,' serious GNOME fans can now look forward to an Ubuntu flavor of their very own.
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Fujitsu Turns Your Old CDs and DVDs into Laptop Bodies Fujitsu's innovative program will recycle the media into new laptop parts, greatly reducing the company's amount of plastic used.
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Acer Still Supports Windows RT Despite some online skirmishing and being dropped from Microsoft's partner list, Acer says it still expects to ship Windows RT devices.
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Samsung, Apple Gain Share at Expense of Nokia, RIM Gartner analysts report a second-quarter shuffle in the smartphone market, with declines by Nokia, LG, and RIM.
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25 Essential Android Business Apps Mobile devices handle business tasks that go far beyond e-mail. Here's a selection covering communications, presentations, number-crunching, and other office apps.
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A Sinister New Breed of Malware is Growing New threats like Shamoon, Flame, and Stuxnet represent a concerning evolution for malware attacks.
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Windows 8 RTM Reveals 'Do Not Track' The final code shows how Microsoft is implementing the 'Do Not Track' privacy setting for Internet Explorer 10.
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Back-to-School Tech Guide 2012 Here's tech that will make college a breeze, whether it's in the classroom or the dorm.
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Rumors Swirl Over OnLive as Employees Leave With Packing Boxes Rumors over the fate of cloud gaming service OnLive swirled on Friday afternoon after reports the company had fired most of its staff. OnLive is being coy about...
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Wall Street Beat: Tech Earnings Help Continue Rally in IT Shares Tech stocks have been climbing recently as key vendors such as Cisco and Lenovo report positive quarterly earnings and the U.S. economy offers glimpses of good...
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Oracle, Google Say No Payments for Court Coverage, but Disagree on Order Both Google and Oracle said Friday they did not pay any journalists or bloggers for coverage or commentary of their high-profile copyright infringement battle...
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Product Reviews
Canon PowerShot G1 X
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Pros Outstanding image quality; Excellent Handheld Night Scene mode; Extensive range of manual and automated controls Cons Very expensive for a fixed-lens camera; Poor macro performance; Autofocus issues in macro and burst mode
Read Complete Review » Top 10 Point-and-Shoot Cameras With Manual Controls » Point-and-Shoot Cameras With the Best Image Quality » Top 10 Point-and-Shoot Cameras for Shooting Video »
Casio Exilim EX-H20G
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Pros Excellent in-camera GPS and mapping; Ultra-wide-angle 24mm lens with 10X optical zoom; Phenomenal battery life; Green-screen-like Dynamic Photo feature; Very good image quality in well-lit situations; 360-degree Slide Panorama mode Cons No manual controls; Mediocre macro mode; Digital zoom only in video mode; No burst mode
Read Complete Review » Top 10 Pocket Megazooms » Point-and-Shoot Cameras With the Best Image Quality » Top 10 In-Camera GPS Features » 100 Best Products of 2011 »
Panasonic Lumix DMC-LX5
85
Pros Ultra-wide-angle lens with F2.0 aperture; Macro mode lets you get extremely close to subject; Very fast autofocus and quiet zoom motors; Superior video capture and manual video controls; Manual controls for aperture, shutter, and focus; Very sturdy build quality; Attractive, classic aesthetics; Superb button layout for accessing manual controls Cons Intelligent Auto mode produces underexposed images; Some camera settings are buried deep in menus; Limited optical zoom range
Read Complete Review » Top 10 Point-and-Shoot Cameras With Manual Controls » Top 10 Point-and-Shoot Cameras for Shooting Video » Top-Rated Advanced Point-and-Shoots » Top High-End Cameras »
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Top News on PCWorld.com
Mars Rock-Zapping Laser Explained ChemCam can look at rocks and soils from a distance, fire a laser to vaporize the materials and analyze them with an on-board spectrograph that measures the composition of the resulting plasma.
Share:
Biometric ID Tool Benefits Questioned in Light of Privacy Concerns Opposition to biometric ID is pretty widespread, and most of that opposition is based not on prophecy, but on concerns about privacy.
Share:
Top Reviews on PCWorld.com
The Best-Performing Android Tablets Today Led by slates carrying Nvidia's Tegra 3 processor, Android tablets are highly competitive against Apple's iPad.
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Samsung Galaxy Note 10.1 Review: The Pen Sets This Android Tablet Apart With pen input and a highly customized version of Android 4.0, the Note 10.1 distinguishes itself in a crowded market.
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VoIP Buying Guide for Small Business Ready to throw Ma Bell from the train? Allow us to lend you a hand. We discuss the pros and cons of VoIP, and offer a look at available options.
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Five Free Fonts Make Back-to-School Time Fun and Frugal Whether you need to jazz up a grad student's book covers, teach a preschooler ABCs, or help a child write clearly, these fonts have you covered. All are free for personal use.
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Downloads: Editor's Collection
Five Free Fonts Make Back-to-School Fun and Frugal

Back to School sales are popping up, so it must be that time of year again. Say goodbye to summer and hello to learning with these school-oriented fonts. All are either free or have a free demo available for personal use, so you can cross one thing off your back-to-school savings list. From preschool through university, we've got you covered.

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