Wednesday, March 13, 2013

The Engadget Interview: Leap Motion CEO Michael Buckwald

The Engadget Interview Leap Motion CEO Michael Buckwald

At a show where developers are rock stars, Leap Motion just might be this year's Beatles. SXSW isn't the first time the company has given demos of its motion-controlled input devices, but it really seems to be the moment the world is taking notice -- and realizing the potential -- of its offering. Over the weekend, co-founders Michael Buckwald and David Holz addressed a packed Austin Convention Center hall, ahead of keynote conversations with Al Gore and Elon Musk.

The company set aside some time this morning to speak with us and offer up some demos of the technology, expanding upon what we saw on stage the other day. At present Leap Motion's primary offering is a small box that sits by a PC, just in front of your keyboard. The little sensor detects the motion of your hands with a precision that allows it to distinguish the movement of individual fingers.

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Source: http://www.engadget.com/2013/03/11/leap-motion-michael-buckwald-interview/

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Saturday, March 2, 2013

Harrity, Cerullo Lead Princeton Squash Into Individual Championships

DRAWS: POOL (Men's A) l RAMSAY (Women's A) l MOLLOY (Men's B) l HOLLERAN (Women's B)

By virtue of victories over both 2012 individual finalists in the last month, Princeton senior Todd Harrity has earned the No. 1 seed in this weekend's CSA individual championships. Both he and women's captain Julie Cerullo will lead a cast 15 Princeton squash players into this weekend's competition at Trinity College.

The CSA individual championships will be held March 1-3 at Trinity, with the majority of play to take place over the first two days. The national championship matches will take place on Sunday, with the men's final starting at 12 and the women's final starting at 1.

POOL CUP (Men's A)

Harrity, the 2011 CSA national champion, defeated Columbia's Ramit Tandon in the regular season finale to help Princeton win the 2013 Ivy League title. Tandon had defeated Harrity twice last season, including in the CSA semifinal. If form holds, those two could meet again in the semifinal round this year, as Tandon is the fourth seed.

Harrity grabbed the first seed by virtue of his 3-1 win over reigning champion and formerly unbeaten Ali Farag of Harvard in las weekend's team semifinal match. Farag, who had been 2-0 against Harrity in his career, is the second seed, and could face St. Lawrence freshman Amr Khaled Khalifa in the semifinal; Khalifa was undefeated this season, though he didn't face Harrity or Farag.

A trio of Princeton players will look to break up that semifinal duo, including sophomore All-Americas Samuel Kang and Tyler Osborne. Kang opens play with former Harvard No. 1 Gary Power, and would likely face current No. 1 Farag in the second round if he can advance. Osborne will take on Trinity No. 4 Karan Malik in the first round, and could see former All-America Chris Hanson of Dartmouth in the second round.

Junior Dylan Ward will make his Potter Cup debut with a tough match against Harvard No. 2 Brandon McLaughlin, who split a pair of matches this season with Kang. If Ward could pull the upset, he would be rewarded with a second-round match against Khalifa.

RAMSAY CUP (Women's A)

Four members of the Ivy League champion Princeton women's team are entered into the Ramsay Cup to compete for All-America honors and to see if anybody can pull a historic upset of Harvard's Amanda Sobhy.

Cerullo, a two-time semifinalist, could get that opportunity in the semifinal round once again if she can navigate through her first three matches. The three-time All-America opens play against Trinity's Robyn Hodgson, and then would face either teammate Rachel Leizman or Stanford's Kerrie Sample. Leizman has been a strong presence at the No. 4 spot this season, though she will be challenged by the No. 2 at Stanford.

On the bottom half of the draw, junior All-America Libby Eyre will open play against Penn's Pia Trikha, and could find herself in an intriguing second-round match against Stanford No. 1 Pamela Chua, who earned the Richey Award this season.

Sophomore Nicole Bunyan will take on Yale's Shihui Mao in another first-round match. Those two met in the regular season, with Mao winning a five-game marathon 12-10 in the fifth. The winner would likely get 2011 national champion Millie Tomlinson in the second round.

MOLLOY CUP (Men's B)

Princeton has three entrants into the 'B' draw, and two have received first-round byes. Freshman Vivek Donodia and sophomore David Hoffman will both have Friday morning off, and will return in the afternoon for Round of 32 matches.

The first Princeton player in competition for the Molloy Cup is freshman Michael LeBlanc, who will take on Drexel's Ibrahim Bakir. During the regular season matchup with Princeton, Bakir played No. 1 for Drexel and lost in three games to Harrity.

HOLLERAN CUP (Women's B)

The Princeton women placed four players in the 'B' draw, and each one of them received first-round byes. Juniors Alex Sawin and Lexi Saunders, sophomore Hallie Dewey and freshman Tara Harrington will all compete Friday afternoon against the winners of opening-round matches.

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Source: http://www.goprincetontigers.com/ViewArticle.dbml?DB_OEM_ID=10600&ATCLID=206556573

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Thursday, February 28, 2013

Italy debt auction to show cost of political crisis

MILAN (Reuters) - Italy will pay the price for its latest political crisis with higher borrowing costs on Wednesday when it sells longer-dated bonds to investors worried about an inconclusive election.

The vote cast over the weekend gave none of the political parties a parliamentary majority, raising the risk of prolonged instability and a rekindling of the euro zone crisis.

The results, notably the dramatic surge of the anti-establishment 5-Star Movement of comic Beppe Grillo, left the center-left bloc with a majority in the lower house but without the numbers to control the upper chamber.

"Markets have been underpricing Italian political risk for months and are now struggling to come to terms with an extremely unstable and fluid political situation," said Nicholas Spiro, managing director of Spiro Sovereign Strategy.

After a sell-off in Italian bonds and stocks on Tuesday, investors on tenterhooks in early trade on Wednesday. In the grey market, the yield on the new 10-year bond maturing May 2023 was trading at 4.97 percent after briefly topping 5 percent, up from 4.90 percent late on Tuesday.

If confirmed at the auction, that level would be the highest since September 2012. At the end-January sale, Rome paid 4.17 percent to sell 10-year paper.

"The market is very nervous, every piece of news could trigger a violent reaction," said a Milan trader.

The premium investors demand to hold 10-year Italian bonds over equivalent German Bunds stood at 345 basis points after earlier touching a peak at 350 basis points.

The political stalemate could halt reforms needed to spur growth and help Italy cut its massive 2 trillion euro debt pile.

As stunned parties look for a way forward after the messy result, the treasury will seek to sell between 3 billion and 4 billion euros of a new 10-year bond and between 1.75 and 2.5 billion euros of five-year paper.

"Italy's debt market is facing its most serious challenge since the announcement of the European Central Bank's bond-buying program last summer," said Spiro.

On Tuesday Rome's six-month borrowing costs rose by 0.51 percent compared to a similar sale at the end of January and reached their highest level since October 2012, shortly after the ECB pledged to buy bonds of struggling euro zone countries.

The risk is that the political stalemate may reverse a cautious comeback of foreign investors into Italy's debt that started after by the ECB's bond-buying pledge.

"If political parties are not able to give in the short term a strong signal of change, foreign banks could reduce their activity in the country," Guido Rosa, head of the Italian association of foreign lenders, told Reuters.

The treasury had taken advantage of a benign environment at the beginning of this year to cover more than 20 percent of its total 2013 refunding needs.

(Editing by Anna Willard)

Source: http://news.yahoo.com/italy-debt-auction-show-cost-political-crisis-000404703.html

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Monday, February 25, 2013

Wednesday, February 6, 2013

Senate tries again to move anti-violence bill

FILE - In this Dec. 18, 2012 file photo, Senate Judiciary Committee Chairman Sen. Patrick Leahy, D-Vt. is seen on Capitol Hill in Washington. The Senate on Monday returned to the Violence Against Women Act, seeking to accomplish what Congress last year failed to do _ extend the federal government's chief means of protecting women from domestic abuse while broadening those protections to better include Native Americans, gays and lesbians. (AP Photo/Susan Walsh, File)

FILE - In this Dec. 18, 2012 file photo, Senate Judiciary Committee Chairman Sen. Patrick Leahy, D-Vt. is seen on Capitol Hill in Washington. The Senate on Monday returned to the Violence Against Women Act, seeking to accomplish what Congress last year failed to do _ extend the federal government's chief means of protecting women from domestic abuse while broadening those protections to better include Native Americans, gays and lesbians. (AP Photo/Susan Walsh, File)

FILE - In this Dec. 21, 2012 file photo, House Majority Leader Eric Cantor, R-Va. speaks during a news conference on Capitol Hill in Washington. The Senate on Monday returned to the Violence Against Women Act, seeking to accomplish what Congress last year failed to do _ extend the federal government's chief means of protecting women from domestic abuse while broadening those protections to better include Native Americans, gays and lesbians. (AP Photo/J. Scott Applewhite, File)

FILE - In this Nov. 29, 2012 file photo, Sen. Patty Murray, D-Wash. is seen on Capitol Hill in Washington. The Senate on Monday returned to the Violence Against Women Act, seeking to accomplish what Congress last year failed to do _ extend the federal government's chief means of protecting women from domestic abuse while broadening those protections to better include Native Americans, gays and lesbians. (AP Photo/J. Scott Applewhite, File)

(AP) ? Senate Democrats worked toward picking up Republican allies Monday as they launched a new attempt to broaden a law protecting women from domestic abuse by expanding its provisions to cover gays, lesbians and Native Americans.

The legislation to renew the Violence Against Women Act appeared on a smooth path toward passage in the Senate, possibly by the end of this week. Monday's procedural vote to make the bill the next order of business was expected to easily clear the 60-vote threshold.

Senate passage would send the bill to the House. Advocates hope that Republicans, smarting from election losses among women voters in November, won't repeat their resistance last year to the Senate approach.

"Allowing partisan delays to put women's lives at risk is simply shameful," Senate Majority Leader Harry Reid, D-Nev., said before the vote. He said he hoped convincing support for the legislation in the Senate would "send a strong message to House Republican leaders that further partisan delay is unacceptable."

House Republicans, including Majority Leader Eric Cantor of Virginia, say reauthorizing the 1994 act, which expired in 2011, is a priority. But resolving partisan differences remains an obstacle: last year both the House and Senate passed bills but the House would not go along with Senate provisions that single out gays, lesbians, bisexuals and transgenders for protection and give tribal authorities more power to prosecute non-Indians who attack Indian partners on tribal lands.

Kim Gandy, president of the National Network to End Domestic Violence, said that after last year's election both parties are eager to demonstrate that they are behind a pro-woman agenda. She said her group, which supports the Senate bill, had received "very positive responses" from the offices of both Cantor and Rep. Cathy McMorris Rodgers, the top-ranked Republican woman.

The Senate bill, while making minor concessions to meet GOP concerns, is essentially the same as the measure that passed that chamber last April on a 68-31 vote, with 15 Republicans voting yes. It focuses on ensuring that college students, immigrants, Native Americans and gays, lesbians, bisexuals and transgender people have access to anti-abuse programs.

The Violence Against Women Act, or VAWA, "has been extraordinarily effective" in combating domestic violence, Senate Judiciary Committee Chairman Patrick Leahy, D-Vt., said in a letter urging the support of his colleagues. He said that since VAWA was first passed the annual incidence of domestic violence has fallen by more than 50 percent. Leahy is the sponsor of the bill with Republican Mike Crapo of Idaho.

Sen. Susan Collins, a Republican supporter from Maine, said helping victims of violence "should never be a partisan issue." She said that in her state nearly half of homicides were linked to occurrences of domestic violence and 13,000 Maine residents would experience some form of sexual violence this year alone.

White House press secretary Jay Carney urged Congress to move rapidly on the legislation. "Three women a day are killed as a result of domestic violence and one in five have been raped in their lifetimes. We should be long past debate on the need for the Violence Against Women Act," he told reporters aboard Air Force One Monday.

During election campaigns last year Democrats seized on the congressional stalemate over VAWA in claiming that Republicans did not represent the best interests of women.

Getting a bill to the president's desk this year could hinge on resolving the issue of tribal authority over domestic abuse cases.

Last year House Republicans objected to the Senate provision increasing tribal authority. Currently, non-Indians who batter their spouses often go unpunished because federal authorities don't have the resources to pursue misdemeanors committed on reservations.

The National Congress of American Indians says violence against Native American women has reached "epidemic proportions," citing findings that 39 percent of American Indian and Alaska native women will be subjected to violence by a partner in their lifetimes. It cited a 2010 government report finding that U.S. attorneys declined to prosecute half of violent crimes occurring in Indian country, and two-thirds of the declined cases involved sexual abuse.

Two House Republicans, Darrell Issa of California and Tom Cole of Oklahoma, last year offered a compromise that would allow non-Indian defendants to request that their cases be moved to federal courts, but the session ended before a deal could be reached. Cole is one of two House members claiming Indian heritage.

The Violence Against Women Act provides grants to state and local offices for legal assistance, transitional housing, law enforcement training, stalker databases and domestic violence hotlines. It also established the Office on Violence Against Women within the Justice Department.

The programs authorized under the act are still in place. But without reauthorization of the law, they cannot be expanded or improved. The Senate bill would consolidate 13 existing programs into four and set aside some $659 million over five years for the programs, down 17 percent from the last reauthorization in 2005. The bill would also give more emphasis to sexual assault prevention and take steps to reduce the rape kit backlog. In a concession to Republicans, it removes a provision in last year's bill that would have increased visas for immigrant victims of domestic violence.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/89ae8247abe8493fae24405546e9a1aa/Article_2013-02-04-Violence%20Against%20Women%20Act/id-ed1a0d92866a43289d3789e776cb9b6a

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Monday, January 28, 2013

David's Blog: Navigation ? sextant and GPS

David's Blog: Navigation ? sextant and GPS

Navigation ? sextant and GPS


There was a man on the radio this week talking about his sextant ? which was over 100 years old when he bought it some time ago. This was the only navigation instrument available to sailors for over a century. When searching for info for this entry I found a reference to Robin Knox Johnson?s circumnavigation of the globe 44 years ago ? he had no radio, a barometer from a pub and a sextant. How things have changed! GPS, now on most mobile phones can locate your position to within a metre or so.

Sextants rely on the knowing the exact time to calculate the position in fact the British admiralty sponsored the development of the first accurate timepiece that could go to sea ? pendulum clocks aren?t much use in a seaway! The balance wheel was the solution to this problem.

GPS rely on timing, too, but rather more precisely that a maritime chronometer. The basis for GPS is a series of satellites that orbit the earth ? not in synchronous orbits like communications satellites ? but with a period of just under 12 hours. These are equipped with extremely accurate atomic clocks. A GPS receiver will receive signals from at least four satellites and will calculate the distance from each based on the time take for the signal to reach the receiver from the satellite. It then calculates the position based on a mathematical principle called trilateration. This involved calculating the intersecton of the four or more spheres that are defined by the timings. Thinking of this in 3 dimensions is quite tricky (I always have to get an orange out when I try to think of the geometry of the earth!) In two dimensions, it?s a little simpler: here?s a local example. Suppose I?m 2.81 miles from Gt Missenden, 2.59 miles from Wendover and 3.33 miles from Princes Risborough. The first distance gives me a circle.?





The second ties the position down to two possible points





The third fixes me at Little Hampden




Now try to imagine this in three dimensions ? intersections of spheres. The calculation to achieve a position is pretty complicated. GPS devices can also calculate the position in a number of formats including the GB OS grid reference. I?ve put a map on the waymark outside outside our house with a grid reference read from my GPS. Lots of walkers stop to look ? but I?m not sure if the reference means anything to many of them!

Source: http://dmh0.blogspot.com/2013/01/navigation-sextant-and-gps.html

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