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  • Sobre la teoría de la relatividad especial y general - Albert Einstein September 26, 2017
    Entre el Electromagnetismo y la Mecánica newtoniana existe una fórmula de bisagra: la teoría de la relatividad especial y general. La importancia del nuevo marco planteado por Albert Einstein se entiende por lo siguiente: la percepción del tiempo y el espacio es relativa al observador. ¿Qué significa esto? Si usted viaja a una velocidad mayor que la de la lu […]
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  • La teoría del todo - Stephen W. Hawking September 26, 2017
    Una manera clara y amena de acercarse a los misterios del universo. En esta esclarecedora obra, el gran físico británico Stephen Hawking nos ofrece una historia del universo, del big bang a los agujeros negros. En siete pasos, Hawking logra explicar la historia del universo, desde las primeras teorías del mundo griego y de la época medieval hasta las más com […]
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  • La física del futuro - Michio Kaku September 26, 2017
    Un recorrido asombroso a través de los próximos cien años de revolución científica. El futuro ya se está inventando en los laboratorios de los científicos más punteros de todo el mundo. Con toda probabilidad, en 2100 controlaremos los ordenadores a través de diminutos sensores cerebrales y podremos mover objetos con el poder de nuestras mentes, la inteligenc […]
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  • Sapiens - Yuval Noah Harari September 26, 2017
    New York Times Bestseller A Summer Reading Pick for President Barack Obama, Bill Gates, and Mark Zuckerberg From a renowned historian comes a groundbreaking narrative of humanity’s creation and evolution—a #1 international bestseller—that explores the ways in which biology and history have defined us and enhanced our understanding of what it means to be “hum […]
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  • Ágilmente - Estanislao Bachrach September 26, 2017
    Bachrach es Doctor en biología molecular y explica el funcionamiento del cerebro. A través de ello, da consejos y herramientas para ser más creativos y felices en el trabajo y en la vida. La neurociencia es clara: el cerebro aprende hasta el último día de vida. La creatividad puede expandirse. Tu mente, mediante la aplicación de las técnicas correctas, puede […]
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  • ¿Cómo pensar como Sherlock Holmes? - Maria Konnikova September 26, 2017
    Ningún personaje de ficción es más conocido por sus poderes de intuición y observación que Sherlock Holmes. Pero, ¿es su inteligencia extraordinaria una invención de la ficción o podemos aprender a desarrollar estas habilidades, para mejorar nuestras vidas en el trabajo y en casa? A través de ¿ Cómo pensar como Sherlock Holmes? , la periodista y psicóloga Ma […]
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  • Breve historia de mi vida - Stephen Hawking September 26, 2017
    La mente maravillosa de Stephen Hawking ha deslumbrado al mundo entero revelando los misterios del universo. Ahora, por primera vez, el cosmólogo más brillante de nuestra era explora, con una mirada reveladora, su propia vida y evolución intelectual. Breve historia de mi vida cuenta el sorprendente viaje de Stephen Hawking desde su niñez […]
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  • El cisne negro. Nueva edición ampliada y revisada - Nassim Nicholas Taleb September 26, 2017
    ¿Qué es un cisne negro? Para empezar, es un suceso improbable, sus consecuencias son importantes y todas las explicaciones que se puedan ofrecer a posteriori no tienen en cuenta el azar y sólo buscan encajar lo imprevisible en un modelo perfecto. El éxito de Google y You Tube, y hasta ell 11-S, son “cisnes negros”. Para Nassim Nicholas Taleb, los cisnes negr […]
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  • Tricks Any Dog Can Do! - Susan Day September 26, 2017
    This great book comes with advice and guidance as to the best way to teach these tricks. It offers more than one method which the reader can choose depending upon their own situation. There is also advice to using treats and shows you how to not end up with a treat junkie! This books is from the desk of Susan Day, a canine behaviourist. Susan teaches obedien […]
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  • EnCambio - Estanislao Bachrach September 26, 2017
    EnCambio te va a permitir alumbrar los procesos por los cuales te comportás de determinada manera con el fin de dejar atrás aquellos hábitos y conductas que ya no te sirven. El objetivo es que aprendas del potencial que tiene tu cerebro para cambiar y la capacidad que tenés vos para modificarlo. Este año cambio de trabajo, empiezo el gimnasio, bajo esos kili […]
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Avionics V1 is a distinctive & massively powerful retro-styled e-bike

Even though the price has yet to be revealed, the V1 looks to be one of those bikes that attracts crowds of people shouting “Take my money!” […]

At Least 4 Dead in Crash of Small Plane in Georgia

At least four people are dead after a small plane crashed in northwestern Georgia on Saturday afternoon, the authorities there said.The plane, a Piper PA-23, went down around 4:44 p.m. in Chatsworth, Ga., about 17 miles south of the state’s border with Tennessee, federal aviation officials said.In a telephone interview late Saturday, a spokesman for the Federal Aviation Administration said it did not appear that anyone on the ground was injured by the crash, and added that it was unknown whether any property was damaged.Early reports suggested the aircraft might have broken up in flight, the spokesman said, adding that the F.A.A. would investigate the crash.An employee at the Murray County Sheriff’s Office in Georgia confirmed the fatalities to The New York Times, but could not provide the identities of the victims. According to the sheriff’s office employee, Sheriff Gary Langford had not clarified how many people were on the plane, or whether investigators were searching for survivors.The National Transportation Safety Board said on Twitter late Saturday that it was also investigating the crash.Continue reading the main story […]

Circular logic: Round runways could save a lot of land, reduce fuel consumption and cut noise

This is not a joke. It is also a teaching moment about blogging. […]

Regulatory Rollback List Targets Health, Safety, And Environment

At Risk: The Air We Breathe, Water We Drink, and Food We Eat The conservative House Freedom Caucus has provided President-Elect Trump a “recommended list of regulations to remove.” Congressman Mark Meadows (R-NC), chair of the all-Republican Freedom Caucus, identified 228 federal rules they hope Trump will help eliminate. Thirty-two of the proposals would roll back safety, health and environmental standards that protect the air we breathe, the water we drink, the food we eat, and our nation’s infrastructure (from pipelines to airports). By rolling back these regulations, the plan would essentially prevent the agencies responsible for protecting us from doing their job. Another 43 proposals are aimed at undermining America’s progress on clean energy and climate change, pushing us away from energy efficiency and renewable energy sources toward more reliance on fossil fuels. This includes eliminating two dozen Department of Energy energy efficiency standards that save families money on energy bills, reduce energy waste, and prevent pollution. Environmental Defense Fund has posted a copy of the Freedom Caucus document online (first obtained by the Washington Post) and added highlights to show the 75 health, safety, environment, and energy rollbacks. The leading targets for these attacks are the Environmental Protection Agency and Department of Energy, but other agencies targeted include the Federal Aviation Administration, the State Department, the Department of Interior and others. Trump’s Pick to Lead EPA Is An Added Threat The danger of this regulatory ‘kill list’ is compounded by Donald Trump’s picks for key cabinet positions that would traditionally be the first to defend their agencies from political interference […]

Security Firm Running Dakota Access Pipeline Intelligence Has Ties to U.S. Military Work in Iraq and Afghanistan

Cross-Posted from DeSmogBlogTigerSwan is one of several security firms under investigation for its work guarding the Dakota Access pipeline in North Dakota while potentially without a permit. Besides this recent work on the Standing Rock Sioux protests in North Dakota, this company has offices in Iraq and Afghanistan and is run by a special forces Army veteran.According to a summary of the investigation, TigerSwan “is in charge of Dakota Access intelligence and supervises the overall security.”The Morton County, North Dakota, Sheriff’s Department also recently concluded that another security company, Frost Kennels, operated in the state while unlicensed to do so and could face criminal charges. The firm’s attack dogs bit protesters at a heated Labor Day weekend protest.Law enforcement and private security at the North Dakota pipeline protests have faced criticism for maintaining a militarized presence in the area. The American Civil Liberties Union (ACLU) and National Lawyer’s Guild have filed multiple open records requests to learn more about the extent of this militarization, and over 133,000 citizens have signed a petition calling for the U.S. Department of Justice to intervene and quell the backlash.The Federal Aviation Administration has also implemented a no-fly zone, which bars anyone but law enforcement from flying within a 4-mile radius and 3500 feet above the ground in the protest area. […]

Shipping industry: Climate change? What’s the big rush!

A firm plan for potentially easing the shipping industry’s impact on the climate will be delayed for seven years under a roadmap drafted by a United Nations agency on Friday.

The lackluster outcome at the end of a week of environmental talks in London deepened the disparity between ship and plane operators and much of the rest of the world when it comes to tackling global warming. The shipping industry participated in the negotiations on behalf of some nations.

MaxGag

The U.N. agency, the International Maritime Organization (IMO), described Friday’s agreement as “another good news story for the #environment” on Twitter — even as it was being broadly criticized by others.

“The fact that there’s a roadmap is good,” said John Maggs, a policy advisor at the nonprofit Seas At Risk who attended the talks. But he criticized it for lacking targets or meaningful timelines and for lacking ambition. “There’s nothing in the roadmap.”

Climate-changing pollution escapes from ships as they burn some of the most polluting types of fuel available. Ships are blamed for 2 to 3 percent of the heat-trapping carbon dioxide released each year and their emissions may grow by 50 to 250 percent by 2050.

Temperatures have risen about 1 degree C or nearly 2 degrees F since the Industrial Revolution, causing seas to rise and amplifying heatwaves, droughts, wildfires, and storms. A global climate pact will take effect next week following talks in Paris last year, but it largely ignores ships and airplanes, which traverse national borders and are overseen by industry-specific U.N. agencies.

Under the agreement reached Friday, an interim strategy for addressing greenhouse gas pollution from ships will be released in 2018. That will be followed five years later by the potential publication of a timeline describing climate-protection measures that could be imposed on ship operators and owners. Owners of large ships will provide confidential information about fuel consumption to the U.N. beginning in 2019.

The roadmap did not set any targets for greenhouse gas reductions, such as those that have underpinned national climate protection strategies and pledges under the Paris climate agreement. Nor does the roadmap commit the sector to setting such targets in 2023.

“Not being prepared to agree to a reasonable short-term framework for developing a target is a bad signal,” Maggs said. “Having an objective is important.”

The European Union is considering expanding its cap-and-trade system, which limits greenhouse gas pollution and imposes fees to reduce fossil fuel demand, to cover ships docking at its ports. Maggs said that may have helped force the shipping industry to take global warming a little more seriously.

“Individual countries and regions making an effort builds pressure at the IMO,” Maggs said. “The view at the IMO is that it’s the only place where you can regulate the shipping industry. When others come along and start regulating regionally, the IMO doesn’t like it.”

chumlee10

The IMO also resolved on Friday to postpone any potential decisions that could force shipbuilders to produce more fuel-efficient vessels. Bill Hemmings, a clean energy campaigner with European group Transport and Environment who attended the talks, described that decision as “very disappointing.”

“There’s no logic behind that,” Hemmings said. “Making new ships more efficient is a no-brainer.”

The shipping industry was largely silent on Friday afternoon about the outcome of the talks, while the IMO issued a press release describing what it called an “important milestone on the road to controlling greenhouse gas emissions from international shipping.” The International Chamber of Shipping said it planned to issue a statement on Monday.

The IMO in 2004 imposed far-reaching restrictions on journalists covering its meetings. That made it difficult for reporters gathered in London this week to describe how countries and organizations were obstructing or supporting efforts to ease climate impacts.

Unusually for United Nations agencies, corporations have seats at IMO negotiations. The influence of individual countries at the IMO is based partly on the number of ships that fly under their flags. Countries such as Liberia were represented at the talks by groups that operate those ships.

The Marshall Islands, which is highly vulnerable to the effects of rising seas and under whose flag a large number of ships fly, led a push for more stringent rules on greenhouse gas pollution from ships. It was joined by a coalition of small island states and some European countries.

Opposition to stringent climate measures was led by large developing countries, such as India and China, and by countries at the ends of long trade routes — for whom importing and exporting goods by ship requires large amounts of fuel.

Unlike power plants and motor vehicles, which operate according to national rules, international ships and airlines often operate outside the direct regulation of any nations.

“The international nature of shipping and commercial aviation means that some, even most emissions take place outside of the legal jurisdictions of countries,” said Robert Stavins, an economics professor at Harvard who researches and tracks environmental diplomacy.

Stavins said nations and regions could reduce the climate impacts of ships and planes by including them in the growing number of carbon tax and cap-and-trade systems when they reach their ports.

While a U.N. agreement to reduce the use of climate-changing chemicals called HFCs this month was heralded as a sign that world leaders are ready to take the warming crisis seriously, an earlier International Civil Aviation Organization agreement to address global warming was broadly criticized for its weakness. It directs airlines to begin buying carbon credits in 2021 instead of reducing emissions from their aircraft.

“The costs of phasing out HFCs are trivial, as are the political challenges, compared with carbon dioxide,” Stavins said. “The number of countries involved is small, the cost of abatement is relatively low, and substitutes already exist.”

The outcome of this week’s talks shows that the shipping industry, like the aviation industry, remains reluctant to address its role in warming the planet, and it suggests global support for easy climate solutions hasn’t yet translated into strong support for tougher measures.

[…]

Is carbon neutral growth on the horizon for aviation? That depends on your definition.

In October 2013, the International Civil Aviation Organization (ICAO), the specialized UN agency that acts as the de facto regulator for aviation worldwide, established an aspirational climate goal of Carbon Neutral Growth (CNG) for the aviation sector from 2020 on. […]