Sunday, August 5, 2012

Are we alone? NASA's Mars rover aims to find out

Are we alone? Or was there life on another planet? NASA's $2.5 billion dream machine, the Mars Science Laboratory, aims to take the first steps toward finding out when it nears Mars' surface on Monday.

The planet is Earth's closest neighbor, and scientists have found signs of water there, hinting that some form of life was once likely, even though Mars is now a dry place with a thin atmosphere, extreme winters and dust storms.

NASA said it will find out if its Mars Science Laboratory and rover, Curiosity -- designed to hunt for soil-based signatures of life and send back data to prepare for a future human mission -- landed safely at 1:31 am Eastern time (0531 GMT) on Monday.

That will be about 14 minutes after the touchdown actually happens due to the time it takes for spacecraft signals to travel from Mars to Earth.

The nuclear-powered rover is the biggest ever built for planetary exploration, weighing in at one ton, about the size of a small car, and carries a complex chemistry kit to zap rocks, drill soil and test for radiation.

The landing is a daring and unprecedented maneuver that involves penetrating the atmosphere at a speed of 13,200 miles per hour (21,240 kilometers per hour), slowing down with the help of a supersonic parachute and dropping down gently with tethers from a rocket-powered sky crane.

"This is the most challenging landing we have ever attempted," said Doug McCuistion, director of NASA's Mars Exploration Program.

Two NASA orbiters will be crossing overhead as the lander approaches the surface, and a third orbiter operated by the European Space Agency will also send data back to Earth.

The Mars Science Laboratory began its journey to the Red Planet more than eight months ago when it launched from the Florida coast in late November 2011.

"It gets scarier every day," said McCuistion, noting that only about 40 percent of past attempts by global space agencies to send spacecraft to Mars have succeeded.

"Can we do this? Yeah, I think we can do this. I am confident the team has done an amazing job. We have the A-plus team on this. They have done everything possible to ensure success," he said.

"But that risk still exists. It is going to be tough."

NASA has detailed the final minutes of the complex landing in an Internet video called "Seven Minutes of Terror." A live broadcast from mission control in Pasadena, California will be on www.nasa.gov beginning at 0330 GMT Monday.

The landing site for the rover is a flat area known as Gale Crater, which lies near a mountain that scientists hope the rover will be able to climb in the search for sediment layers that could be up to a billion years old.

One potential factor of concern, the weather, appears to be cooperating after a nearby dust storm spotted days ago dissipated, deputy project scientist Ashwin Vasavada told reporters.

"Mars is playing nice and we are going to get good conditions for Sunday," he said.

Vasavada said the dust storm near the landing site has evolved into a "fairly harmless cloud of dust" that probably will not reach Gale Crater by the time of the landing.

He said it was not "expected to affect entry, descent and landing in any meaningful way."

If the landing goes according to plan, NASA hopes to have some low-resolution black and white images taken from cameras on the rear of the rover shortly afterwards.

More images will follow in the coming days. Then, engineers on Earth will spend most of August remotely checking out systems on the vehicle, according to deputy program manager Richard Cook.

The rover is carrying a chemistry kit that contains a rock-zapping laser, 17 cameras, a drill, radiation detectors, water sensors, and tools to scoop soil and check for carbon-based compounds that are the building blocks for life.

Curiosity may start to roll for its first drive in September, with its first scoop samples expected late in the month and its first drilling attempt in October or November.

If the landing fails, McCuistion vowed that NASA would continue its efforts to explore Mars.

"We will pick ourselves up and dust ourselves off. We will look at this and do something again. We will do it again, this will not be the end," he said.

"Human spirit gets driven by these kinds of challenges and these are the kinds of challenges that force us, drive us to explore.

"To explore our surroundings, to understand what is out there, and obviously look at 'Are we alone?'"

Source: http://news.yahoo.com/alone-nasas-mars-rover-aims-190238257.html

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Saturday, August 4, 2012

This $200 Camera Turns Your TV Into a Skype Center [Skype]

Using Skype on your TV is kinda neat: it opens the conversation right up and makes group chats more fun. Now Skype and Logitech have announced a new TV-mounted camera that lets you do that conveniently—for a price. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/s6dZ7SDFUg0/this-200-camera-turns-your-tv-into-a-skype-center

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Posted by admin on August 3rd, 2012

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Source: http://www.gmwsy.com/vibram-komodosport-greyblackgreen-womens-exercise-fitness-shoes-size-40m/

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JPMorgan unlikely to restart buybacks this year - analysts

REUTERS - JPMorgan Chase & Co is unlikely this year to resume share repurchases it suspended in May after disclosing multi-billion dollar losses from credit derivatives, two Wall Street analysts said after recent meetings with top executives of the bank.

Though CEO Jamie Dimon was still "hopeful" in a meeting about resuming buybacks in the final three months of this year, analyst Jeffery Harte of Sandler O'Neill Partners said in a report on Thursday that he is "less confident" regulators will allow repurchases before 2013.

JPMorgan has enough capital to safely buy back stock, Harte said. But he doubts that regulators will agree to repurchases as they approach the start of annual stress-testing and evaluations of bank balance sheets.

Earlier this week, analyst Matt O'Connor of Deutsche Bank said in a report that he left a meeting with Chief Financial Officer Doug Braunstein believing that regulators may make JPMorgan wait for the new stress tests. O'Connor called the chances of approval of buybacks late this year or early next year "unlikely".

Dimon, after announcing that the derivatives losses were unlikely to get much worse than the $5.8 billion recorded so far, said JPMorgan would ask the Federal Reserve for approval to resume buying back shares in the fourth quarter, before the next stress test. Dimon contends the stock is cheap and that buying it back would add value to remaining shares.

The analysts talked to the executives after Dimon announced on Friday sweeping changes in responsibilities of his top lieutenants. Dimon called "totally ridiculous" speculation that the changes were a prelude to breaking up the company, said Harte. He had met with both Dimon and Matt Zames, who was named co-chief operating officer in the shakeup.

Some analysts have speculated that investors and regulators would push Dimon to split JPMorgan into a deposit-taking bank that makes loans to individuals and businesses and an investment bank that underwrites securities and trades freely in capital markets. The reorganization sets out two major business segments known as "Consumer and Community Banking" and "Corporate and Investment Bank."

Dimon argued that any potential rise in stock price from breaking up the company would be temporary and followed by a loss of value to shareholders, Harte said.

(Reporting by David Henry in New York; Editing by Leslie Gevirtz)

Source: http://news.yahoo.com/jpmorgan-unlikely-restart-buybacks-analysts-164524296--sector.html

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Friday, August 3, 2012

The Constant Mistress

Dear Snarky,
Let?s say you never do break him of this habit. I?m trying to imagine how your marriage is going to work if for your sanity you must tune him out whenever he is engaged in ?explaining or describing something.? Nearly every time he opens his mouth you?ll be saying to yourself, ?Like, like, like, like, can?t hear you!? By your own description you are about to marry a paragon. Surely you?re aware of some of your own flaws, ones that he simply accepts. I could argue that you should just love your Valley Boy. And if he had a condition like Tourette?s Syndrome, it would be cruel not to embrace that as just a small part of him. But someone who habitually spews endless verbal filler would drive me crazy, too. This tic is also likely to have a deleterious effect on his career. Caroline Kennedy?s brief bid for the senate was in part derailed by her endless string of ?ums? and ?you knows.? You?ve had unproductive talks with your fianc? about the way he speaks, so it?s crucial that you change the tenor. First, tell your mother she?s being rude to your fianc? and you won?t stand for it. Don?t return his friends? eye-rolls. If you?ve been annoyed and abrupt with him, apologize. Then say that you?re concerned this piece of verbal baggage is going to hold him back, and you?d like to help him get rid of it. There are many places on the Web that give practical advice on making one?s speech crisper, so look at some with him. Most of all, I suggest you both sign up for Toastmasters?tell him you could improve your speaking skills, too. Sure, the video on their website is cheesy, but they?re cheap and effective. Each meeting has someone designated as an ?Ah Counter? who notes each instance of verbal fluff. Getting feedback from objective strangers should allow your beloved to lower his defenses and leave the Valley-speak behind.

Source: http://feeds.slate.com/click.phdo?i=82e24a2d38bedd30297085c93c050cb5

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