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It was a busy day for planet Earth. Asteroid 2012 DA14, a 45-meter wide space rock, sped past the Earth a mere 17,100 miles overhead. In the Ural mountains of Russia, a 15-meter wide, 7,000 metric ton asteroid hit the Earth's atmosphere, creating a 300-kiloton shock wave that injured more than 1,000 people and shattered 1 million square feet of glass.

What are the odds that an asteroid impact will destroy your being in a given year? Slim -- 1 in 74,817,414, according to data compiled by The Economist. For comparison, the odds of … Read more

Leaked from today's 404 episode:

- Fiery meteor explodes over Russia's Ural Mountains; 1,100 injured as shock wave breaks windows.

- Watch asteroid 2012 DA14 fade out via streaming video.

- Iceland wants to ban Internet porn.

- Chubby Checker in a twist over an old app.

- One Direction's new toothbrush streams sound vibrations through your teeth.… Read more

The sky is totally falling.

As if it weren't enough that a meteor boomed across the Russian sky today, shattering windows and injuring about 1,000 people, an asteroid 150 feet across is about to sideswipe our planet.

Asteroid 2012 DA14, while unrelated to the meteor, is just as scary. It will graze us at just 17,200 miles from the surface, passing between Earth and our geosynchronous weather and communications satellites.

Possible asteroid strikes are no joke, and if you ask me (or the dinosaurs), they represent the biggest threat to our planet aside from human stupidity.

Fortunately, some non-stupid humans are finally getting serious about countering this threat. … Read more

In less than 24 hours, a 150 foot-wide asteroid will complete a remarkably close, but safe, flyby. For weeks, scientists have been tracking the path of the small near-Earth asteroid known as 2012 DA14, which is on course to swing by the Earth tomorrow at 11:24 a.m. PT.

Again, no need to panic about a collision with Earth, which would be, in a word, catastrophic. If a space rock of this magnitude crashed into us, scientists say, it would release about 2.5 megatons of energy into the atmosphere. The last time an asteroid this size smacked into … Read more

In a few days, sky watchers in Eastern Europe, Asia, and Australia will get a chance to see one big rock hurtling through the heavens. One very big rock. Compared with other asteroids traveling through space, this one may seem a relative pebble -- at half the size of a football field -- but for Earth, it will make for a relatively close call.

"This is a record-setting close approach," says Don Yeomans of NASA's Near Earth Object Program at JPL. "Since regular sky surveys began in the 1990s, we've never seen an object this big get so close to Earth." … Read more

Firefox is one of the most popular Web browsers, but it's not always one of the most spacious, especially if you use a toolbar or keep a lot of icons in your customized Firefox bar. To grab a little screen space back, try the free Firefox theme Littlefox, which shrinks most of Firefox's menus to give you more room to browse. It saves a considerable amount of space, but a rough and retro style give it a bit of a dated appearance.

Once you install Littlefox and restart the browser, the space gain is immediately noticeable. It trims … Read more

Moving its PC line beyond Microsoft's Windows operating system by embracing Google's Chrome OS, Hewlett-Packard today announced the $330 Pavilion 14 Chromebook.

Samsung and Acer were the first to offer Chrome OS devices, with Lenovo following suit. Now HP evidently believes it's worth jumping on the bandwagon for the browser-based operating system, describing the Chromebook as part of its "multi-OS approach."

"Google's Chrome OS is showing great appeal to a growing customer base," said Kevin Frost, general manager of HP's Consumer PC, Printing, and Personal Systems group. "With HP's Chromebook, … Read more

It seems Hewlett-Packard plans to follow Samsung, Acer, and Lenovo into the Chromebook market.

The company published a spec sheet for the Pavilion Chromebook 14-c010us that reveals a 4-pound model with a 1.1GHz Intel Celeron 847 processor, 16GB SSD, 14-inch LED-backlit display with 1,366x768 resolution, a Webcam, and three USB 2.0 ports.

It appears the device will ship in the coming weeks. The spec sheet, spotted by The Verge, lists an advertising embargo date of February 17.

"The HP Pavilion Chromebook gives you fast and easy access to the things you love and depend on, from … Read more

Intel has the go-ahead to construct a $4 billion plant in Ireland where it will design the next generation of 14 nanometer processors.

The chip giant received the OK from Ireland's lead planning agency, according to Ireland-based tech news site Silicon Republic. With that approval a done deal, the project just needs authorization from Intel's board to move forward.

Construction is expected to take two years and could create 3,500 construction jobs and 800 full-time permanent positions. The plant will be located at Intel's campus in Leixlip, County Kildare, where 4,000 people already work, Silicon … Read more