Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/wGhqXLQgmw0/130726092425.htm
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Saturday, July 27, 2013
Quantum of sonics: Bonded, not stirred
[unable to retrieve full-text content]Researchers have discovered a new way to join materials together using ultrasound. Ultrasound -- sound so high it cannot be heard -- is normally used to smash particles apart in water. Scientists found that if particles were coated with phosphate, they could instead bond together into strong agglomerates, about the size of grains of sand.
It's Time To #DisruptEurope - Submit Your Battlefield Applications For Berlin Now
TechCrunch Disrupt Europe will be TechCrunch's major international conference this October. Featuring global startups, influential speakers, VIP guests and breaking news, you will not want to miss out. But, if you are a new startup that wants to launch in front of TechCrunch's writers on the Battlefield stage: We want to make sure you have filled out your Startup Battlefield application. Do it now. The deadline is approaching July 31, and the clock is ticking.Source: http://feedproxy.google.com/~r/Techcrunch/~3/eYbAiVmK5to/
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Friday, July 26, 2013
The Most Dangerous Volcano in North America
Smoke rises from Popocat?petl as it spews incandescent volcanic material near Puebla, Mexico, on July 4, 2013. Photo by Imelda Medina/Reuters
MEXICO CITY?When you live in Mexico, you get used to people in other countries thinking you are in a war-zone sort of apocalypse state. If it?s not narcos, it?s earthquakes, kidnappers, or chupacabras. These days, the thing for Americans to fear in Mexico is the volcano Popocat?petl, lovingly called Popo, which is chucking ash all over the place. Notice that?many reports?find it necessary to give Mexico City?s population alongside reports that it?s active. As if that number might drop significantly, very soon.
Now, for those who live here, it all seems silly. I didn?t even notice the ash?though some of these reports?make you think it is piling up on the sidewalks. I have noticed the air quality is a little off for the middle of the rainy season (when afternoon showers clean the skies). But all in all, the rumbling of our hulking neighbor hasn?t affected me.?Far more annoying is the whole since-you-live-in-Mexico-you?ll-probably-be-dead-tomorrow attitude from friends and family.
It?s really terrible and borderline racist. But that?s not to say I won?t use it to get a story. The last time Popo was spewing ash, I decided it was a great chance to write a story tentatively called ?Popo: The Most Dangerous Volcano in North America.? The story came out of a drunken conversation with a geologist at a Bob Dylan concert near the heart of the city. A few beers in, he gave me the impression Popo was about to level the city.
So I called up Robin Lloyd at Scientific American and told her I had a story for her.
?Great,? she said. ?I?ll take it, presuming it works out as you say it will.?
?What do you mean?? I said.
?Well, I mean, is Popocat?petl the most dangerous volcano in North America??
?What kind of question is that?? I thought.?Of course it is. It?s in Mexico, and everything in Mexico is dangerous. Popo will blow, and millions of people will die. Cut. Print.
Just to be sure though, I called up Randy White, a volcano expert and part of the Volcano Disaster Assistance Program, which monitors volcanoes on the continent and around the globe for U.S. Geological Survey. White tells me that a volcano?s danger is related to a) how likely it is to explode, b) what kind of explosion it will create, and c) how many people live nearby. This can be expressed mathematically in the following equation (careful, it?s a little technical).
Photos by Rhaydz Barcia/Reuters, Antonio Parrinello/Reuters, and J. Guadalupe Perez/AFP/Getty Images
Contrary to what many news reports would have you assume, Popo is 40 miles away, not near enough to threaten Mexico City. (Unless lava runs uphill?it doesn?t, right?) However, it is close to Puebla, the country?s fourth-largest city. And certainly it?s a little erupt-happy. So Popo is still North America?s most dangerous volcano, right?
?Popocat?petl is not North America?s most dangerous volcano,? White says.??It doesn?t even make the list of top five. Maybe top 10, since Puebla?s right there. But really I?m not terribly worried about it.?
Great. So now my story is ?Popo: Probably Among the Pretty Dangerous Volcanoes in North America. Maybe.? It seems that Popo is just too predictable to be considered a properly dangerous volcano. Like me playing poker, it?s easy to tell what Popo is about to do. Plus, it vents off all its gas rather than storing it up, waiting to explode (like a Coke bottle that slowly leaks out as opposed to a sealed one that?s all shook up). If it were to stop rumbling for 20 years or so, then White says he might start to worry.
In fact, Popo is such an easy read that there?s evidence people living in Mexica (or Aztec) times actually knew when it was going to erupt, moved off the slopes of the mountain, then came back and resettled after it had calmed. Also, there?s the type of explosion. Generally speaking, thicker, more silicon-rich lava causes volcanoes to explode violently. Runnier stuff makes for impressive lava squirts, as in Iceland or Hawaii, but it doesn?t tend to blanket the continent in ash like Mount St. Helens did. And Popo is on the runnier side.
So I ended the conversation deflated. My Mexico (Danger! Danger!) Volcano Killing the World story was dead. But before I hung up, though, I asked White what is the most dangerous volcano in North America. He thought for a minute and then listed Mount Shasta in California and Mount Hood in Oregon, which are unpredictable but too remote to cause much harm.
Downtown Seattle with Mt. Rainier in the distance in 2009 Photo by Mary Knox Merrill/Christian Science Monitor/Getty Images
?But the one that probably keeps me up at night the most is Mount Rainier,? he finally says. It seems that not only is Rainier far more mysterious than Popo, but its chemistry points to a more viscous, explosive eruption. Plus, it hasn?t erupted in more than 100 years, sitting, building up pressure. And, of course, Tacoma, Wash., is right there at its foot. If it decides to get nasty, the first thing it will do is melt its snowcap, thus creating destructive landslides of slushy mud, called lahars.
So there you have it. If you like to play it safe and avoid dangerous places and you live in Tacoma, think about relocating to Mexico City. Our volcanoes are more friendly.
This article originally appeared in The Last Word on Nothing. Tagline: ?Science says the first word on everything, and the last word on nothing??Victor Hugo.
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Prince Alfred & Formosa Dining Room (Maida Vale, London, by Harvey Peters)
Offensive content?
Review of Prince Alfred & Formosa Dining Room from 25 July 2013
The place is nothing special but I'm used to it and I like it in a homelike way. The staff already knows me and I have always been served fast enough. The food is good but the decor is a bit dull. Anyway, nice place for a quick lunch.
Discover cool new places both at home and abroad with the Qype community's trusted reviews!
Join now!? Qype 2013 - Review of Prince Alfred & Formosa Dining Room by Harvey Peters Made with Love in Hamburg, Germany
Source: http://www.qype.co.uk/review/3924415
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US debt deal helps Philippines save forests
Agence France-Presse
INQUIRER FILE PHOTO
MANILA, Philippines?The United States will help preserve the Philippines? rapidly vanishing tropical rainforests under an $31.8-million debt-to-aid conversion signed in Manila on Thursday, the two governments said.
Payments on debt owed by the Philippines to the US Agency for International Development will be redirected to starting a tropical forest conservation fund, a joint statement said.
The fund would provide grants to conserve, maintain and restore still substantial forest lands in five regions of the archipelago.
?In addition to helping to preserve the Philippines? extraordinary terrestrial biodiversity, the fund will contribute to international climate change mitigation efforts,? the statement said.
US-based environment group Conservation International lists the Philippines as one of 17 ?mega-diversity? countries that together have more than two-thirds of earth?s plant and animal species.
However the Philippines is also considered a biodiversity hotspot due to rapid harvesting or conversion of its forests to farms or other uses.
The Philippine government says the country lost half its forest cover over the past 100 years, and is down to 7.6 million hectares (18.78 million acres).
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Complete stories on our Digital Edition newsstand for tablets, netbooks and mobile phones; 14-issue free trial. About to step out? Get breaking alerts on your mobile.phone. Text ON INQ BREAKING to 4467, for Globe, Smart and Sun subscribers in the Philippines.Tags: Climate change , Manila , Philippine forests , Rainforests , tropical forest conservation fund , United States , US Agency for International Development
Source: http://globalnation.inquirer.net/81527/us-debt-deal-helps-philippines-save-forests
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Stock futures higher on Apple, solid euro zone data
By Angela Moon
NEW YORK (Reuters) - Wall Street was set for a higher open on Wednesday as Apple was expected to boost tech shares after reporting stronger-than-expected results and positive euro-zone economic data boosted market sentiment.
Shares of Apple , the world's largest technology company, rose 4.3 percent to $436.93 in premarket trade after the iPhone and iPad maker late Tuesday reported earnings and revenues that beat Wall Street's estimates, boosted by a jump in iPhone sales to 31.2 million.
In another busy day of earnings, Boeing Co
"It's all about the earnings," said Peter Cardillo, chief market economist at Rockwell Global Capital in New York.
"We could see a similar action that we saw yesterday which is, opening higher and then consolidating a bit during the day, but recovering at the end. These intraday corrections are setting a stage for prices to move higher."
As of Tuesday's close, of the 130 companies in the S&P 500 that have reported earnings so far this season, 63.8 percent have beaten analysts' expectations for earnings, but 51.5 percent have fallen short of revenue forecasts. Over the past four quarters, 67 percent of companies have beaten earnings estimates.
S&P 500 futures rose 4.9 points and were above fair value, a formula that evaluates pricing by taking into account interest rates, dividends and time to expiration on the contract. Dow Jones industrial average futures rose 35 points, and Nasdaq 100 futures added 28.5 points.
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Overseas, euro zone private industry unexpectedly bounced back to show growth this month as factories increased output for the first time in well over a year, according to business surveys. The unexpected rise in euro zone economic activity sparked a rally in European shares.
But a sign of China's economy was slowing cast a cloud over the positive news out of Europe. China's flash HSBC/Markit Purchasing Managers' Index fell as new orders faltered and a sub-index measuring employment sank to its weakest since March 2009. Asian stocks fell after the economic indicators from China.
In U.S. economic news, June new-home sales data is due at 10 a.m. (1400 GMT). Sales are forecast to rise to an annual rate of 482,000 last month from 476,000 in May, according to a Reuters survey of analysts.
On Tuesday the S&P 500 snapped a four-day winning streak and pulled back from Monday's record closing high, while healthy earnings from United Technologies gave the Dow a slight lift.
(Reporting by Angela Moon; Editing by Chizu Nomiyama and Kenneth Barry)
Source: http://news.yahoo.com/stock-futures-boosted-apple-solid-euro-zone-data-114641679.html
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