Thursday, April 11, 2013

'American Idol' Song I Wish I Had Written Night: What Should They Sing?

Janelle, Candice, Kree and Lazaro and the rest of the top six will each sing twice on Wednesday night (April 10).
By Gil Kaufman and James Montgomery


The remaining contestants on "American Idol"
Photo: FOX

Source: http://www.mtv.com/news/articles/1705334/american-idol-song-wish-i-had-written-night.jhtml

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Ghostly green bubble: Detailed image of planetary nebula

Apr. 10, 2013 ? Stars the size of the Sun end their lives as tiny and faint white dwarf stars. But as they make the final transition into retirement their atmospheres are blown away into space. For a few tens of thousands of years they are surrounded by the spectacular and colourful glowing clouds of ionised gas known as planetary nebulae.

This new image from the VLT shows the planetary nebula IC 1295, which lies in the constellation of Scutum (The Shield). It has the unusual feature of being surrounded by multiple shells that make it resemble a micro-organism seen under a microscope, with many layers corresponding to the membranes of a cell.

These bubbles are made out of gas that used to be the star's atmosphere. This gas has been expelled by unstable fusion reactions in the star's core that generated sudden releases of energy, like huge thermonuclear belches. The gas is bathed in strong ultraviolet radiation from the aging star, which makes the gas glow. Different chemical elements glow with different colours and the ghostly green shade that is prominent in IC 1295 comes from ionised oxygen.

At the centre of the image, you can see the burnt-out remnant of the star's core as a bright blue-white spot at the heart of the nebula. The central star will become a very faint white dwarf and slowly cool down over many billions of years.

Stars with masses like the Sun and up to eight times that of the Sun, will form planetary nebulae as they enter the final phase of their existence. The Sun is 4.6 billion years old and it will likely live another four billion years.

Despite the name, planetary nebulae have nothing to do with planets. This descriptive term was applied to some early discoveries because of the visual similarity of these unusual objects to the outer planets Uranus and Neptune, when viewed through early telescopes, and it has been catchy enough to survive [1]. These objects were shown to be glowing gas by early spectroscopic observations in the nineteenth century.

This image was captured by ESO's Very Large Telescope, located on Cerro Paranal in the Atacama Desert of northern Chile, using the FORS instrument (FOcal Reducer Spectrograph). Exposures taken through three different filters that passed blue light (coloured blue), visible light (coloured green), and red light (coloured red) have been combined to make this picture.

Notes

[1] Even early observers such as William Herschel, who discovered many planetary nebulae and speculated about their origin and composition, knew that they weren't actually planets orbiting the Sun as they did not move relative to the surrounding stars.

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Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/1kYV_db-eP4/130410082738.htm

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Monday, March 25, 2013

Drones Keep Watchful Eye on Illegal Hunting

In England, using dogs to hunt foxes has been illegal since 2005, though that hasn't stopped a few hunting enthusiasts from flouting the law.

But the League Against Cruel Sports, a British animal-rights group, has a weapon of its own in the fight against illegal hunting: aerial drones.

The drones are equipped with video cameras that can record hunting activity on the ground. The league will turn over any evidence of any illegal hunts to police for prosecution, the BBC reports.

"There is a war in the countryside," Joe Duckworth, head of the league, said in a statement. "We are excited to be the first animal welfare charity in Great Britain to be exploring drone technology. We are confident that it will make a fantastic contribution to bringing wildlife criminals to justice."

The group obtained its drones from ShadowView, a nonprofit aerial surveillance and monitoring organization that offers services and technology to conservation, disaster relief and other groups, according to Care2.com.

This isn't the first time drones have performed conservation and environmental work: They've been used by the Sea Shepherd Conservation Society (a marine wildlife conservation group) and by the World Wildlife Fund to combat poaching in Africa, Care2 reports. [Satellites Gallery: Science from Above]

The reaction from British hunting groups to the league's drones has been unenthusiastic.

"We think this is a PR stunt, and the chances of the sort of drones being discussed ever providing evidence to support a prosecution against a hunt is very low," said Tim Bonner of the Countryside Alliance, an organization that supports legal hunts, as quoted in New Scientist.

"We think the danger might come from the reaction of animals, especially horses, to these drones if they ever try to follow a hunt," Bonner said.

There might also be a more direct sort of protest against the use of drones: In the United States, drones monitoring hunting activity have been shot out of the sky by hunters, according to New Scientist.

And though they may be intrusive, the use of drones ? even over private property ? is legal in the U.K., the United States and many other countries.

As long as the drone weighs less than 44 pounds (20 kilograms) and is flying more than 492 feet (150 meters) from a congested area, no special permission is needed in the U.K., according to the BBC.

In the United States, drones fly above an uneven patchwork of federal, state and local laws, most of which are outdated and offer no clear guidance regarding privacy or property rights, the Associated Press reports.

Follow Marc Lallanilla on Twitter and Google+. Follow us @livescience, Facebook & Google+. Original article on LiveScience.com.

Copyright 2013 LiveScience, a TechMediaNetwork company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

Source: http://news.yahoo.com/drones-keep-watchful-eye-illegal-hunting-132510851.html

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Michael Bloomberg, Mayors Against Illegal Guns To Launch Gun-Control Ad Blitz

NEW YORK ? A new $12 million television ad campaign from Mayors Against Illegal Guns will push senators in key states to back gun control efforts, including comprehensive background checks.

New York City Mayor Michael Bloomberg announced the ad buy Saturday ? just days after Senate Democrats touted stronger background checks while acknowledging insufficient support to restore a ban on assault-style weapons to federal gun control legislation.

"These ads bring the voices of Americans ? who overwhelmingly support comprehensive and enforceable background checks ? into the discussion to move senators to immediately take action to prevent gun violence," Bloomberg said in a statement issued by the group he co-founded in 2006.

The two ads posted on the group's website, called "Responsible" and "Family," show a gun owner holding a rifle while sitting on the back of a pickup truck.

In one ad, the man says he'll defend the Second Amendment but adds "with rights come responsibilities." The ad then urges viewers to tell Congress to support background checks.

In the other ad, the man, a hunter, says "background checks have nothing to do with taking guns away from anyone." The man then says closing loopholes will stop criminals and the mentally ill from obtaining weapons.

The Senate is scheduled to debate federal gun control legislation next month. On March 28, the group plans for more than 100 events nationwide in support of passing gun control legislation that includes background checks.

Mayors Against Illegal Guns and other gun-control advocates frequently cite a mid-1990s study that suggests about 40 percent of U.S. gun transfers were conducted by private sellers not subject to federal background checks. Based on 2011 FBI data, the group estimates 6.6 million firearms transfers are made without a background check for the receiver.

A spokesman for Bloomberg could not immediately say if the $12 million was coming from Bloomberg or the mayor's political action committee, Independence USA. The New York Times, which first reported the ad campaign Saturday night, said Bloomberg was bankrolling the ad buy.

A spokesman for the National Rifle Association blasted Bloomberg and the new ads, saying NRA members and supporters would be calling senators directly and urging them to vote against proposed gun control legislation.

"What Michael Bloomberg is trying to do is ... intimidate senators into not listening to constituents and instead pledge their allegiance to him and his money," said spokesman Andrew Arulanandam.

Bloomberg has long supported efforts to curb gun violence, including sending New York City undercover investigators into other states to conduct straw purchases from dealers. Last month, Bloomberg's PAC poured more than $2 million into ads supporting Illinois state Rep. Robin Kelly, who won a special primary and ran partly on a platform of supporting tougher gun restrictions.

The new ads will air in 13 states the group believes are divided on gun control: Arkansas, Arizona, Georgia, Indiana, Iowa, Louisiana, Maine, New Hampshire, Nevada, North Carolina, North Dakota, Ohio and Pennsylvania.

Related on HuffPost:

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Source: http://www.huffingtonpost.com/2013/03/23/bloomberg-gun-ads_n_2941612.html

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Saturday, March 23, 2013

Curiosity rover snaps images of huge Martian mountain

NASA has assembled a view of the Red Planet's Mount Sharp from dozens of telephoto images snapped by the Curiosity Mars rover.?

By Mike Wall,?SPACE.com / March 19, 2013

This mosaic of images from the Mast Camera on NASA's Mars rover Curiosity shows Mount Sharp in a white-balanced color adjustment that makes the sky look overly blue but shows the terrain as though it were under Earth-like lighting. The component images were taken in September 2012

NASA/JPL-Caltech/MSSS

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NASA's Mars rover Curiosity has captured a stunningly detailed panorama of the giant Red Planet mountain that is the robot's ultimate science destination.?

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Rover team members assembled the view of?Mount Sharp, which rises more than 3 miles (5 kilometers) into the Martian sky, from dozens of telephoto images Curiosity took last year on Sept. 20. NASA unveiled the image on Friday (March 15).

Researchers put together two versions of the mosaic. One is in raw color, showing Mount Sharp as it would look in a photo snapped by a normal digital camera. The other has been "white-balanced," providing a view of the scene as it would look under Earthlike lighting, complete with a familiar blue sky.

"White-balanced versions help scientists recognize rock materials based on their terrestrial experience," NASA officials wrote Friday in a description of the Mount Sharp panorama. "The Martian sky would look like more of a butterscotch color to the human eye." [Curiosity's Latest Mars Photos]

Both versions of the mosaic are available with pan and zoom functionality at the high-resolution site GigaPan. Go to http://www.gigapan.com/gigapans/125627 for the white-balanced view and http://www.gigapan.com/gigapans/125628 for the raw-color version.

Mount Sharp rises from the center of the 100-mile-wide (160 km) Gale Crater, where the car-size?Curiosity rover?touched down last August. Scientists aren't sure how the big mountain formed, for there's nothing quite like it on Earth.

The mountain's base shows signs of long-ago exposure to liquid water, and its many layers contain a record of how Mars' environmental conditions have changed over time. Curiosity scientists hope the six-wheeled robot can read these layers like a book as it climbs up through Mount Sharp's foothills.

The Curiosity team is committed to going to Mount Sharp, but the robot won't begin the 6-mile (10 km) trek for at least another few months. Curiosity still has some work to do at a site called Yellowknife Bay, which rover scientists announced last week could have?supported microbial life?in the distant past.

Curiosity made this discovery after analyzing samples collected from a hole it drilled last month into a Yellowknife Bay rock. Researchers want to confirm and extend their observations by looking at material from a second drill hole in the area.

But more drilling activity won't start until May, team members said. That's because the rover is still fighting through a computer glitch that took out its main computer last month, and an unfavorable alignment of Earth, Mars and the sun will make it tough to communicate with Curiosity for much of April.

Follow Mike Wall on Twitter?@michaeldwall.?Follow us?@Spacedotcom,?Facebook?or?Google+. Originally published on?SPACE.com.

Copyright 2013?SPACE.com, a TechMediaNetwork company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

Source: http://rss.csmonitor.com/~r/feeds/science/~3/5aOOeThoclg/Curiosity-rover-snaps-images-of-huge-Martian-mountain

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House approves resolution to keep government running; bill heads to White House (Washington Post)

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Can You Really 3D Print a Snowboard? (Kind Of)

Using traditional fabrication techniques the folks at Signal Snowboards have made decks from all kinds of crazy materials, including glass. But this month they're trying out a radically different fabrication technique to see if you really can make a usable snowboard with a 3D printer. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/8ZkK30_P9i4/can-you-really-3d-print-a-snowboard-kind-of

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