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Monday, January 7, 2013
Turns Out That $100 Acer Tablet Is Actually $150
Nvidia announces Project Shield handheld gaming system with 5 ...
Nvidia has just unveiled a new handheld gaming system called Project Shield. Project Shield is powered by the Tegra 4 processor and can play console-quality games while still providing a mobile experience. The processor is capable of pushing 4K resolution video over HDMI to external displays. It includes advanced sound processing that Nvidia says rivals Beats Audio-equipped laptops, and a 33Wh battery that provides five to ten hours of play time or 24 hours of HD video playback. It features a 5-inch, 720p Retinal multitouch display with 294ppi pixel density, and has a slot for micro-SD card expansion. The Shield runs Android ? pure Android without a skin, as Nvidia insists ? and includes Google's apps for Gmail and the Play Store.
In addition to supporting all of the games available to Android devices and the games in the Tegra Zone, the Shield also has the ability to stream games from a home Windows PC equipped with a GeForce GTX 650 (or higher) graphics card to the handheld device over Wi-Fi, letting users access their library of PC games, including games in the Steam library, while on the go. It access the games on the home PC and run them virtually on the Shield. In the future, Nvidia says that it will add support to stream content from the Shield to a television wirelessly, so you can watch video and play games on your TV display without being tethered by wires. Of course, with support for the standard Android platform, the Shield also has access to the hundreds of thousands of apps that are available in the Google Play Store
It should look familiar to anyone who has held an Xbox 360 controller
Hardware-wise, the Shield has a clamshell design with a gaming controller attached below the device's display. The controller has dual control sticks, a D-pad, and multiple action buttons ? it should look familiar to anyone who has held an Xbox 360 controller.
Unfortunately, Nvidia did not announce a price for Project Shield, but it says that it will be coming to the US and Canada in the second quarter of this year. Either way, it seems that things just got a bit more interesting for both the mobile gaming space and the Android gaming world.
Source: http://www.theverge.com/2013/1/7/3845282/nvidia-announces-project-shield-handheld-gaming-system
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Sunday, January 6, 2013
Wide binary stars wreak havoc in planetary systems, astrophysicists find
Jan. 6, 2013 ? An international team of astrophysicists has shown that planetary systems with very distant binary stars are particularly susceptible to violent disruptions, more so than if they had stellar companions with tighter orbits around them.
Unlike the Sun, many stars are members of binary star systems -- where two stars orbit one another -- and these stars' planetary systems can be altered by the gravity of their companion stars. The orbits of very distant or wide stellar companions often become very eccentric -- ie. less circular -- over time, driving the once-distant star into a plunging orbit that passes very close to the planets once per orbital period. The gravity of this close-passing companion can then wreak havoc on planetary systems, triggering planetary scatterings and even ejections.
"The stellar orbits of wide binaries are very sensitive to disturbances from other passing stars as well as the tidal field of the Milky Way," said Nathan Kaib, lead author of a study published January 6 in Nature describing the findings. "This causes their stellar orbits to constantly change their eccentricity -- their degree of circularity. If a wide binary lasts long enough, it will eventually find itself with a very high orbital eccentricity at some point in its life."
When a wide binary orbit becomes very eccentric, the two stars will pass very close together once per orbit on one side of the orbital ellipse, while being very far apart on the other side of the ellipse. This can have dire consequences for planets in these systems since the gravity of a close-passing star can radically change planetary orbits around the other star, causing planets to scatter off of one another and sometimes get ejected to interstellar space.
Kaib, a postdoctoral fellow in the Center for Interdisciplinary Exploration and Research in Astrophysics (CIERA) and the Department of Physics and Astronomy at Northwestern University and a National Fellow in the Canadian Institute for Theoretical Astrophysics at the University of Toronto, conducted computer simulations of the process with Queen's University physics professor Martin Duncan and Sean N. Raymond, a researcher at the University of Bordeaux and the Centre national de la recherche scientifique in France. They added a a hypothetical wide binary companion to Earth's solar system which eventually triggered at least one of four giant planets (Jupiter, Saturn, Uranus and Neptune) to be ejected in almost half of the simulations.
"This process takes hundreds of millions of years if not billions of years to occur in these binaries. Consequently, planets in these systems initially form and evolve as if they orbited an isolated star," said Kaib, who will present the findings this week at the 221st meeting of the American Astronomical Society in Long Beach, California. "It is only much later that they begin to feel the effects of their companion star, which often times leads to disruption of the planetary system."
"We also found that there is substantial evidence that this process occurs regularly in known extrasolar planetary systems," said Duncan. "Planets are believed to form on circular orbits, and they are only thought to attain highly eccentric orbits through powerful and/or violent perturbations. When we looked at the orbital eccentricities of planets that are known to reside in wide binaries, we found that they are statistically more eccentric than planets around isolated stars like our Sun. "
The researchers believe this is a telltale signature of past planetary scattering events, and that those with eccentric orbits are often interpreted to be the survivors of system-wide instabilities.
"The eccentric planetary orbits seen in these systems are essentially scars from past disruptions caused by the companion star," said Raymond.
The researchers note that this observational signature could only be reproduced well when they assumed that the typical planetary system extends from its host star as much as 10 times the distance between Earth and the Sun. Otherwise, the planetary system is too compact to be affected by even a stellar companion on a very eccentric orbit.
"Recently, planets orbiting at wide distances around their host stars have been directly imaged. Our work predicts that such planets are common but have so far gone largely undetected," says Duncan.
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The above story is reprinted from materials provided by University of Toronto, via EurekAlert!, a service of AAAS.
Note: Materials may be edited for content and length. For further information, please contact the source cited above.
Journal Reference:
- Nathan A. Kaib, Sean N. Raymond, Martin Duncan. Planetary system disruption by Galactic perturbations to wide binary stars. Nature, 2013; DOI: 10.1038/nature11780
Note: If no author is given, the source is cited instead.
Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.
Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/_ff5o66xdj0/130106145751.htm
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Texans beat Bengals in ugly wild card opener
Houston defense shuts down Dalton, Cincy to advance and play Patriots
By KRISTIE RIEKEN
Associated Press Sports
updated 7:37 p.m. ET Jan. 5, 2013
HOUSTON - J.J. Watt swatted away passes, Arian Foster ran away from tacklers and the Houston Texans did just enough to knock Cincinnati out of the playoffs for the second straight year.
Matt Schaub made his first postseason start a successful one when Foster's 1-yard touchdown in the third quarter helped the Texans to a 19-13 AFC wild-card win over the Bengals on Saturday.
"The whole stadium knew we had to line up and run the ball and boy, he was at his best there at the end," coach Gary Kubiak said. "He's become a fine, fine player, and it just seems like the bigger it gets, the better Arian gets."
Now comes the big test. The Texans (13-4) move on to the second round on Jan. 13, when they visit the New England Patriots, who beat them 42-14 in Week 14. This time they're 9 1/2-point underdogs.
"It's one step," Watt said of the win. "We know what it means, and we have bigger goals than that."
He's glad the team got back on track this week, but knows Houston will have to play better to beat the Patriots.
"They know what they're doing in the playoffs," Watt said. "They've been here many times before. They know what it takes, so it's going to take everything we have and we're really excited about the challenge."
Foster said he isn't planning to watch too much film of Houston's loss to the Patriots.
"They're a new team, we're a new team," Foster said. "Anytime you play a team twice in a season ... you have to attack it differently. It's a different mentality. Different things are at stake."
Shayne Graham kicked four field goals for the Texans, while Foster finished with 140 yards and became the first NFL player to have 100-yard games in each of his first three playoff games.
Watt finished with a sack and swatted away two of Andy Dalton's pass attempts, once wagging his finger at the Bengals quarterback after the play.
"I think it was a full defensive effort, everybody was flying around and we were getting off the field on third downs," Watt said.
The Texans defense smothered Dalton and the Bengals early. Their second drive ended when Connor Barwin tackled BenJarvus Green-Ellis for a 6-yard loss and Watt followed with a sack of Dalton.
Houston's offense had the ball for almost 39 minutes as it ate up the clock with a season-high 32 carries from Foster.
"We controlled the line of scrimmage, and any time we do that it's going to be hard to beat us," Foster said.
The Texans had trouble finishing drives and managed three field goals in the first half against the Bengals (10-7). Houston struck first after the break, with Foster scoring the game's only offensive touchdown to make it 16-7.
Schaub, who missed last year's playoffs with a foot injury, had an interception returned for a touchdown by Leon Hall before halftime.
"It was never easy," Schaub said. "Cincinnati is a great team. I made a turnover and gave them points. We just had to rally around each other and we did that."
Johnathan Joseph, a former Bengal, came up with an interception for the Texans, who kept Cincinnati without a playoff win since the 1990 season, the league's longest current streak.
Houston had struggled on third downs lately. This time, the Texans didn't let the Bengals convert a third down on nine tries.The Texans rebounded from a terrible month where they lost three of four games and the No. 1 seed in the AFC playoffs. The win came in front of a record crowd of 71,738, including former Oilers great Earl Campbell.
The Bengals couldn't do anything offensively before the break, and were outgained 250-53 in the first half. Dalton was 4 of 10 for 3 yards in the first half.
Schaub shook off his first-half miscue to finish 29 of 38 for 262 yards, and Dalton finished 14 of 30 for 127 yards.
The Bengals had a chance for a touchdown late in the fourth quarter, but Dalton's pass sailed just out of reach of a diving A.J. Green in the end zone.
"The offense didn't play as well as it could have," Dalton said. "You can always look back and say, `What if?"'
Dalton's 45-yard pass to Green got Cincinnati moving in the third quarter and set up Josh Brown's 34-yard field goal. When Dalton tried to go to Green again, Joseph intercepted and got the Texans in scoring range again as the quarter ended.
In last year's playoffs, the Texans routed the Bengals 31-10, with Dalton throwing three interceptions.
The main difference in this one: Schaub was back in charge for Houston. Rookie T.J. Yates filled in for Schaub, got the Texans a win in their first playoff game, but couldn't take them any further.
On their second possession, Schaub completed an 18-yard pass, Foster had a 17-yard run and Keshawn Martin went 16 yards on a reverse, setting up Graham's field goal.
It became a pattern - move the ball down the field, settle for three points. The fans started booing.
And then Schaub did the one thing he wanted to avoid - he let Cincinnati's defense get its hands on the ball. Hall anticipated Schaub's throw, stepped in front and returned it untouched, high-stepping the last few yards, for the defense's fourth touchdown in the last four games.
Hall also ran back an interception 17 yards for the only Bengals touchdown in a 13-10 win over Pittsburgh that clinched a playoff spot. It was the first interception return for a touchdown against the Texans this season.
Like the Texans, the Bengals ended the season by hitting a wall on offense - one touchdown in the last two games. The offensive woes continued on Saturday when the Bengals failed to score a touchdown on offense again.
NOTES: Houston's 420 yards were the most given up by the Bengals in their last 10 games. ... Houston receiver Andre Johnson had four receptions for 62 yards to extend his streak of consecutive games with a reception to 99. ... Texans' LB Cameron Collins made his NFL debut on Saturday after being signed from the practice squad a day earlier. ... R&B star Brian McKnight sang the national anthem.
? 2012 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
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More newsLive updates: Colts vs. Ravens
Andrew Luck makes his playoff debut while Ray Lewis plays what could be his final NFL game in a hotly anticipated wild card tilt in Baltimore.
Source: http://nbcsports.msnbc.com/id/50375219/ns/sports-nfl/
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Saturday, January 5, 2013
Will 'Promised Land' Impress At the Box Office?
From Promised Land to Texas Chainsaw 3D, get the scoop on what's playing in theaters!
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