Thursday, June 23, 2011

NASA’s Cassini–Huygens spacecraft has discovered evidence for a large-scale saltwater reservoir beneath the icy crust of Saturn’s moon Enceladus. The data came from the spacecraft’s direct analysis of salt-rich ice grains close to the jets ejected from the moon. The study has been published in this week’s edition of the journal Nature.

Data from Cassini’s cosmic dust analyzer show the grains expelled from fissures, known as tiger stripes, are relatively small and usually low in salt far away from the moon. Closer to the moon’s surface, Cassini found that relatively large grains rich with sodium and potassium dominate the plumes. The salt-rich particles have an “ocean-like” composition and indicate that most, if not all, of the expelled ice and water vapor comes from the evaporation of liquid salt-water. When water freezes, the salt is squeezed out, leaving pure water ice behind.

Cassini’s ultraviolet imaging spectrograph also recently obtained complementary results that support the presence of a subsurface ocean. A team of Cassini researchers led by Candice Hansen of the Planetary Science Institute in Tucson, Arizona, measured gas shooting out of distinct jets originating in the moon’s south polar region at five to eight times the speed of sound, several times faster than previously measured. These observations of distinct jets, from a 2010 flyby, are consistent with results showing a difference in composition of ice grains close to the moon’s surface and those that made it out to the E ring, the outermost ring that gets its material primarily from Enceladean jets. If the plumes emanated from ice, they should have very little salt in them.

“There currently is no plausible way to produce a steady outflow of salt-rich grains from solid ice across all the tiger stripes other than salt water under Enceladus’s icy surface,” said Frank Postberg, a Cassini team scientist at the University of Heidelberg in Germany.

The data suggests a layer of water between the moon’s rocky core and its icy mantle, possibly as deep as about 50 miles (80 kilometers) beneath the surface. As this water washes against the rocks, it dissolves salt compounds and rises through fractures in the overlying ice to form reserves nearer the surface. If the outermost layer cracks open, the decrease in pressure from these reserves to space causes a plume to shoot out. Roughly 400 pounds (200 kilograms) of water vapor is lost every second in the plumes, with smaller amounts being lost as ice grains. The team calculates the water reserves must have large evaporating surfaces, or they would freeze easily and stop the plumes.

“We imagine that between the ice and the ice core there is an ocean of depth and this is somehow connected to the surface reservoir,” added Postberg.

The Cassini mission discovered Enceladus’ water-vapor and ice jets in 2005. In 2009, scientists working with the cosmic dust analyzer examined some sodium salts found in ice grains of Saturn’s E ring but the link to subsurface salt water was not definitive. The new paper analyzes three Enceladus flybys in 2008 and 2009 with the same instrument, focusing on the composition of freshly ejected plume grains. In 2008, Cassini discovered a high “density of volatile gases, water vapor, carbon dioxide and carbon monoxide, as well as organic materials, some 20 times denser than expected” in geysers erupting from the moon. The icy particles hit the detector target at speeds between 15,000 and 39,000 MPH (23,000 and 63,000 KPH), vaporizing instantly. Electrical fields inside the cosmic dust analyzer separated the various constituents of the impact cloud.

“Enceladus has got warmth, water and organic chemicals, some of the essential building blocks needed for life,” said Dennis Matson in 2008, Cassini project scientist at NASA’s Jet Propulsion Laboratory in Pasadena, California.

“This finding is a crucial new piece of evidence showing that environmental conditions favorable to the emergence of life can be sustained on icy bodies orbiting gas giant planets,” said Nicolas Altobelli, the European Space Agency’s project scientist for Cassini.

“If there is water in such an unexpected place, it leaves possibility for the rest of the universe,” said Postberg.

Monday, February 11, 2008

On Sunday evening, around 16:30 local time, three armed men wearing ski masks stole four paintings: Claude Monet‘s “Poppy field at Vetheuil,” Edgar Degas‘ “Ludovic Lepic and his Daughter,” Vincent van Gogh‘s “Blooming Chestnut Branches” and Paul Cezanne‘s “Boy in the Red Waistcoat” from Foundation E.G. Bührle museum in Zürich, Switzerland.

The three armed robbers entered the museum half an hour before closing. One man with a pistol forced employees to the ground while the other two men stole the paintings. The whole ordeal lasted only 3 minutes. The men then proceeded to a van and left.

The four paintings are worth a total of 163 million US dollars. It’s said that it would be hard to sell the stolen paintings on the open market due to the popularity of the paintings. There is a reward of 90 thousand US dollars for the artwork.

The robbers, who were still at large, stole the paintings Sunday from the E.G. Bührle Collection, one of Europe’s finest private museums for Impressionist and Post-Impressionist art, police said.

It was the largest art robbery in Swiss history and one of the biggest ever in Europe, said Marco Cortesi, spokesman for the Zürich police. He compared it to the theft in 2004 of Edvard Munch‘s The Scream and Madonna from the Munch Museum in Norway.

Last week, Swiss police reported that two Pablo Picasso paintings were stolen from a Swiss exhibition near Zurich.

Saturday, January 9, 2010

United Parcel Service (UPS), the world’s largest package delivery service, has announced that it will cut 1,800 administrative and managerial jobs.

The firm, based in Atlanta, Georgia, is to reorganise its five regions into three, and slash the number of districts to twenty from 46, in addition to the job cuts. The company currently has 340,000 people in its employ.

Economic analysts are paying considerable attention to the financial status of UPS, as many see a large connection between the overall state of the US economy and the amount of parcels shipped.

“They’re not cutting sales jobs, they’re cutting back office jobs. They take out back office, they take out cost,” commented Helane Becker, an analyst for Jesup & Lamont Securities.

Monday, September 4, 2006

Saturday, September 2nd, Wellington held a computer recycling day for free hosted by computer maker, Dell. Now Auckland is looking to host one of their own.

During the recycling day, sponsored by Environment Ministry and Computer Access New Zealand Trust, Dell New Zealand took in more than 30 tonnes of obsolete equipment by 1,200 people at Wellington’s Westpac Stadium. Instead of the equipment going to a landfill where it is unable to decompose and will leak chemicals into the ground, 97% of all equipment collected will be recycled.

Susan McGregor, an Auckland City Council spokesperson, said: “There is a regional forum looking into waste disposal; but to date there is only a scheme for hazardous material to be collected separately by the council. It [the council] would welcome computer companies taking some responsibility for disposing of old computer ware.”

Dell has indicated it will hold another PC clean up next year.

According to Dell, out of the 6.3 million New Zealand computers, 250,000 of them are old and obsolete, mainly because most computer owners, according to a survey, will upgrade their computers every two to five years.

Sydney, Australia had recently hosted one of their own computer recycling days; however Wellington’s event was four times more successful.

Thursday, July 19, 2018

On Monday, Eritrea reopened their embassy in the Ethiopian capital Addis Ababa just a week after both the countries signed a declaration of the end of the two-decade-long conflict between the countries.

71-year-old Eritrean President Isaias Afwerki raised the Eritrean flag in Addis Ababa and Ethiopian prime minister Abiy Ahmed handed Afwerki the keys for the embassy. Abiy said, “Both nations have chosen peace as opposed to war […] We won’t allow anyone to stop this from happening.”

A former province of Ethiopia, Eritrea voted in favour of a sovereign state and declared independence in 1993. The Eritrean embassy in Ethiopia was shut down in 1998 and, per reports, about 80 thousand were killed in the border conflict between the two nations from 1998 to 2000.

The Ethiopian Prime Minister visited Eritrea earlier this month and on July 9, leaders of both countries signed a declaration of the end of the conflict in Eritrean capital Asmara. After announcing the end of the conflict, telephone lines were set up between the two countries and on Wednesday, Ethiopian Airlines flew the first direct plane between Ethiopia and Eritrea in twenty years. Chief Executive of the airlines Tewolde GebreMariam said, “This day marks a unique event in the history of Ethiopia and Eritrea”.

Saturday, January 14, 2017

At 1:30 a.m. on Thursday morning the United States Senate voted to include the repeal of the Affordable Care Act, better known as Obamacare, as part of a budget blueprint. This procedural measure allows most of Obamacare to be repealed by a simple majority rather than the usual requirement of 60 out of the senate’s 100 votes and effectively prevents the use of filibuster.

“We’re working with legislative leaders at this very moment to begin to craft legislation that will repeal the most corrosive elements of Obamacare — the individual mandate, the taxes, the penalties — but at the same time, moving separate legislation that will allow us to introduce the kind of reforms in American health care that’ll lower the cost of health insurance without growing the size of government,” said Vice President-elect Mike Pence.

Democratic Senator Maria Cantwell of Washington had a different view, going so far as to call this “stealing health care from Americans.”

The filibuster is a last-ditch tactic in which parties opposed to a certain motion refuse to relinquish the floor until their opponents give in or compromise.

Although the 51-48 vote was mostly along party lines, some Republicans have expressed uncertainty about repealing Obamacare before a replacement system is worked out. Although president-elect Donald Trump has called for a “repeal and replace” plan, saying that a new health care system would be enacted “almost simultaneously,” many in government and the press have expressed doubts about whether this would actually happen.

Senator Susan Collins of Maine said she would like to at least see a well-constructed plan before voting and Senator Johnny Isakson of Georgia said repealing Obamacare without replacing it was “unacceptable.” These concerns were shared by members of the House of Representatives. “We need to be voting for a replacement plan at the same time that we vote for repeal,” added Representative Mark Meadows of North Carolina. Representative Tom MacArthur of New Jersey agreed, saying, “We’re loading a gun here. I want to know where it’s pointed before we start the process.”

Anna Merlan of Jezebel and Anthony Taylor of the Associated Press dismiss Trump’s timeline as “impossible” given the complicated nature of U.S. congressional workings. Senator Collins agreed, saying “I don’t see any possibility of our being able to come up with a comprehensive reform bill that would replace Obamacare by the end of this month. I just don’t see that as being feasible.”

The Affordable Care Act, which is often cited as a key accomplishment of the Obama administration, has had a mixed reputation, and many conservatives believe a market-based health care system would be more flexible and efficient and less costly, and many believe that the Affordable Care Act only passed because of Obama’s later discredited pledge that no one who liked their current health plan would have to switch. Matt O’Brien of The Washington Post claims a large tax cut that would result for the wealthiest 1% of citizens if Obamacare funds were not converted to other purposes, estimated at about $32,820 annually per person by the Tax Policy Center, is also a significant motive.

Republican Senators set a date of January 27 to repeal Obamacare, according to NBC News. House Majority Leader Kevin McCarthy of California says legislation repealing Obamacare and replacing it could ready by late February. According to Democratic Senator Bernie Sanders, as many as 30 million people could lose their health insurance if the ACA is repealed.

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Wednesday, January 9, 2008

This year Israel turns sixty and it has embarked upon a campaign to celebrate its birthday. Along with technology writers for Slate, PC Magazine, USA Today, BusinessWeek, Aviation Weekly, Wikinews was invited by the America-Israel Friendship League and the Israeli Foreign Ministry to review Israel’s technology sector. It’s part of an effort to ‘re-brand the country’ to show America that there is more to Israel than the Palestinian conflict. On this trip we saw the people who gave us the Pentium processor and Instant Messaging. The schedule was hectic: 12-14 hours a day were spent doing everything from trips to the Weizmann Institute to dinner with Yossi Vardi.

On Thursday, the fifth day of the junket, David Saranga of the foreign ministry was able to arrange an exclusive interview for David Shankbone with the President of Israel, Nobel Peace Prize recipient Shimon Peres. For over an hour they spoke about Iranian politics, whether Israel is in danger of being side-lined in Middle Eastern importance because of Arab oil wealth, and his thoughts against those who say Israeli culture is in a state of decay.

Shimon Peres spent his early days on kibbutz, a bygone socialist era of Israel. In 1953, at the age of 29, Peres became the youngest ever Director General of the Ministry of Defense. Forty years later it was Peres who secretly gave the green light for dialogue with Yassir Arafat, of the verboten Palestine Liberation Organization. It was still official Israeli policy to not speak with the PLO. Peres shares a Nobel Peace Prize with Yitzak Rabin and Arafat for orchestrating what eventually became the Oslo Accords. The “roadmap” that came out of Oslo remains the official Israeli (and American) policy for peace in the Palestinian conflict. Although the majority of Israeli people supported the plans, land for peace was met with a small but fiery resistance in Israel. For negotiating with Arafat, former Prime Minister Benjamin Netanyahu shouted at Peres, “You are worse than Chamberlain!” a reference to Hitler’s British appeaser. It was during this time of heated exchanges in the 1990s that Yitzhak Rabin was assassinated by Yigal Amir, a Jew who thought it against Halakhic law to give up land given by God (Hashem).

Peres is the elder statesman of Israeli politics, but he remembers that he has not always been as popular as he is today. “Popularity is like perfume: nice to smell, dangerous to drink,” said Peres. “You don’t drink it.” The search for popularity, he goes on to say, will kill a person who has an idea against the status quo.

Below is David Shankbone’s interview with Shimon Peres, the President of Israel.

Monday, January 26, 2009

As the newly inaugurated Barack Obama administration continues to push for a US$825 billion stimulus package to aid the struggling United States economy, some Republican legislators say they will not vote for such a plan without the inclusion of more tax cuts and less “unnecessary” spending.

Arizona Senator John McCain, Obama’s general election opponent and a leading voice within the Republican Party, says he would not vote for the American Recovery and Reinvestment Plan as it currently stands. Appearing on Fox News Sunday yesterday, McCain echoed his campaign platform in saying, “We need to make tax cuts permanent, and we need to make a commitment that there’ll be no new taxes.”

McCain and other Republicans say they are unhappy with the bill introduced in the House of Representatives, which combines roughly $550 billion in domestic spending with $275 billion in tax cuts. McCain believes not enough Republican proposals have been integrated into the plan, which he fears will result in the plan becoming “just another spending project” rather than a job creator.

“Republicans have not been brought in, to the degree that we should be in, to these negotiations and discussions. So far, as far as I can tell, no Republican proposal has been incorporated,” McCain said. “We’re losing sight of what the stimulus is all about, and that is job creation.”

The Arizona senator is known for his bipartisan efforts in Washington, D.C., but he defined his role in the new Senate as the “loyal opposition”, which does not mean “that I or my party will be a rubber stamp” for Obama, he said.

In his first weekly address since being sworn in, President Obama explained the stimulus plan in further detail, calling it a plan to “immediately jumpstart job creation as well as long-term economic growth.” He outlined several of the bill’s priorities, including the creation or salvation of up to four million jobs, as well as sweeping investments in health care, education, energy and infrastructure.

Among these investments are a new electricity grid with more than 3,000 miles of transmission lines, the weatherization of 2.5 million homes, health insurance protection for more than 8 million Americans, a renovation of over 10,000 schools, a project to repair thousands of miles of roadways, and an expansion of broadband Internet access.

Obama also laid out the rationale behind the stimulus, saying that “unprecedented action” is necessary in order to prevent further economic distress. “Our economy could fall $1 trillion short of its full capacity, which translates into more than $12,000 in lost income for a family of four,” Obama said. “In short, if we do not act boldly and swiftly, a bad situation could become dramatically worse.”

The president addressed the skepticism surrounding the stimulus package, pledging to “root out waste, inefficiency, and unnecessary spending”, while holding the government accountable for its actions. “We won’t just throw money at our problems,” Obama said. “We’ll invest in what works.”

Still, Republicans such as House Minority Leader John Boehner are skeptical of the plan’s effectiveness in rebuilding the economy. “I think a lot of Republicans will vote no because it’s a lot of wasteful Washington spending”, he commented on Meet the Press, repeating McCain’s call for less federal spending and more tax cuts.

Examples of “wasteful” spending cited by Republicans include millions of coupons to aid in the digital television transition, $200 million for new sod on the National Mall, and $360 million to fight sexually transmitted diseases, which includes funding for contraceptives. House Republicans have claimed it will take 10 years before the economy feels the effect of a stimulus, and that the combined spending of the stimulus and the financial bailouts of last year will leave future generations with over $2 trillion of debt.

In response to the stimulus plan being pushed through Congress, Boehner and Republican Whip Eric Cantor presented Obama with an alternative stimulus plan on Friday, one that relies exclusively on income and business tax cuts. “Our plan offers fast-acting tax relief, not slow-moving and wasteful government spending,” Boehner said. The counterproposal includes an income tax reduction that would save families an estimated $3,200 a year.

Despite this opposition, the stimulus bill is expected to pass through Congress by mid-February, as the Republican minority does not have enough votes to stop its approval. Senate Minority Leader Mitch McConnell expressed a general support of the plan at a White House meeting with Obama and other congressional leaders. “I do think we’ll be able to meet the president’s deadline of getting the package to him by mid-February,” McConnell said. The bill is expected to go before Congress for a vote on Monday, February 2.

Obama’s top economic adviser Lawrence Summers defended the stimulus plan while on Meet the Press. He said the bill was intended to balance the long-term initiatives mentioned above with the tax cuts desired by Republicans. He also said Obama was committed to spending three quarters of the stimulus money within 18 months.