Showing posts with label Beijing. Show all posts
Showing posts with label Beijing. Show all posts

Monday, December 7, 2015

Smog is Taking Over Beijing - http://clapway.com/2015/12/07/smog-is-taking-over-beijing123/

The Chinese city of Beijing has issued a red alert for smog for the first time, causing schools to get closed, restrictions on factories, and even limited traffic. The red alert is the most serious warning in the country’s system, and following three days of severe smog, Beijing is officially at a dangerous level of pollution.


Beijing Issues Red Alert to Protect Civilians from Air Pollution


This city sees very little clear days, and authorities have seen it so that the public stays away from streets today to attempt to clean up shop. There were 300 micrograms of PM2.5 particles reported per cubic meter. The safe level, according to the WHO, is 25 particles per cubic meter. Authorities are hoping conditions will improve with the cold front that will hit the city on Thursday.


Traffic and Civilian Activity Are Restricted


Cars will be restricted so that only a fraction can be on the road. This limited traffic will be made up through public transport, making more subway trains and buses available. This is the second time the city has confronted an alarming bout of smog. The highest rate of PM2.5 levels the city has faced is 976 micrograms per cubic meter.


This level is influenced by many things. While pollution is a huge part of it, some of the power demand is necessary for the stability of citizens. November was a surprisingly cold month for Beijing. Thus, a higher amount of power was needed to keep citizens, buildings and sites warm.


Beijing Had Good Smog Levels Throughout the First 10 Months of 2015


November and December have proven to be increasingly difficult. Schools have not been able to allow students proper outdoor activities and many highways have been closed off due to limited visibility. With three days reporting over 200 micrograms of PM2.5 per cubic meter, the city was forced to issue a red alert.


More than 60% of China is powered by coal, and some scientists predict that China’s emissions will not peak until 2030. Only then will the city see a decline in gas emissions.


smog Smoke China



 



Smog is Taking Over Beijing

Wednesday, September 9, 2015

How did the #Beijing, the capital of #China, manage to clear its #pollution for one day? - http://clapway.com/2015/09/09/beijing-blue-skies234/

This past Thursday marked the 70th anniversary of Japan’s defeat in World War II. To celebrate, a commemorative military parade was held in Beijing and the sky displayed a beautiful shade of blue throughout the event.


It sounds quite customary, but for the Chinese capital, it is not.


Government


Beijing’s Pollution Temporarily Disappears


Beijing is one of the most heavily polluted cities in the world. Although it’s not currently ranked among the top ten, an average day in the city is overheated with dull grey skies.


So an entirely smog-free day filled with crisp air was meaningful for the people. By Friday morning, however, the sky had returned to its customary state. Many citizens were left baffled by this: how did their polluted sky clear up only on the day of the military parade?


The Chinese Government gave an explanation this Monday.


The Secret of Beijing’s Blue Skies


The Beijing Times reported on Monday morning that officials cleaned up Beijing’s air exclusively for the parade, by suspending or limiting the operations of 12,255 coal-burning boilers, factories, and cement-mixing stations around seven provinces of the country. Nearly 5,700 of these stations are located in Beijing, as well as the Hebei province, which borders the capital. Aside from this, authorities limited the use of the city’s 5 million registered cars. Since this past August, citizens were able to use their vehicles every other day, giving way to two weeks of cleaner air.


Government


On Thursday, the Air Quality Index (AQI) of the city was 17 out of 500, which is classified as an excellent score. At midnight, after the parade, all restrictions and limitations were lifted. Consequently, the next morning, the AQI was at 160. That’s enough to cause adverse health effects, as the US Environmental Protection Agency states.


The Resulting Impact


This isn’t the first time the Chinese government took control of the smog levels. Last fall, Beijing was host to the Asia-Pacific Economic Cooperation summit, prompting authorities to bring similar tactics into play in order to improve the city’s air conditions. This gave away to the term “APEC blue”, which was used ephemerally but effectively. The Beijing Times reports that the military parade efforts were fifteen times as extensive as the measures taken for the APEC Summit.


These demonstrations left a deep impression, showing citizens that pollution is, in fact, the fault of the people. However, it can definitely be controlled and brought down until city pollution levels are as low as those in other metropolitan cities. On the other hand, the magic appearance of the blue skies did leave some citizens with doubt. Though the change was welcomed, it is unsettling to think one’s government can manipulate the weather.



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https://www.youtube.com/watch?v=Uh73AjBjCN0



Government"s Secret Behind Blue Skies In Beijing

Friday, July 17, 2015

Weyl Particle: A Massless Solution to Your Quantum Locutions - http://clapway.com/2015/07/17/weyl-particle-a-massless-solution-to-your-quantum-locutions324/

Eighty-five years ago, mathematician and physicist Hermann Weyl proposed the existence of a highly elusive, massless particle. Later known as the Weyl particle, it would allow the development of faster and more efficient electronics because of a unique propensity for reacting like matter and antimatter inside of a crystal. Just recently, an international team run by Princeton University scientists discovered this Weyl particle.


NEW EUPHORIA-INDUCING DISCOVERY


Their findings were published in the journal Science on July 16th. In it, they anticipate that if Weyl fermions are used in the development of next-gen electronics, we could have access to a free and practically perfectly efficient flow of electricity in electronic devices. Weyl particles would greatly increase the power potential for devices like the computer in your hand(s) right now.


DESIRE FOR SPEEDY QUANTUMS


Scientists and theorists have ravenously sought particles with such properties because they were posited as a kind of fundamental building block of subatomic particles, of an even more basic nature than negatively-charged electrons we’ve already been long familiar with. Since Weyl fermions are so fundamental, they might provide an incredibly stable and efficient means for conducting particles. But why replace electrons if they already do the job we desire?


IF IT AIN’T BROKE, MAYbe IT’S TOO SLOW, DUDE


Electrons possess mass, and however minuscule this is, mass does slow movement, specifically, acceleration. Conversely, since a Weyl fermion is massless, it is extremely mobile because its spin is both in the same and opposite direction of its motion (i.e., as physicists know it, both right-and-left-handed).


A corresponding author named M. Zahid Hasan, who’s also a Princeton professor of Physics and leader of the research team, commented that “[t]he physics of the Weyl fermion are so strange, there could be many things that arise from this particle that we’re just not capable of imagining now.”


SIMILAR PARTICLES DIFFICULT TO PRODUCE


Weyl fermions are not that unique. Other particles with similar properties, like the Higgs boson, possess the same propensities, but are only observable for a short time in the instant following artificially induced particle collisions. The Weyl fermion was observed inside a synthetic metallic crystal known as tantalum arsenide, which was designed by the Princeton team in conjunction to other researchers at the Collaborative Innovation Center of Quantum Matter in Beijing, and at National Taiwan University.


PRELIMINARY CONCLUSIONS


The Weyl particle will be revolutionary for many fields. For starters, says Hans, we will develop efficient quantum computing at a much quicker pace. In addition, as stated before, the Weyl particle’s ability to work as a monopole and antimonopole simultaneously means that two Weyl particles with opposite charges can move independently of each other, regardless of charge.


REPLICATED EFFECT


What’s more, Weyl fermions are also capable of creating massless electrons that can move, or when electrons are lost due to collision with extraneous objects, is a major drawback to efficiency, and also generates heat (which is always a drag, plus a great pun). Instead of leaving scientists lost to such trifle mishaps, Weyl electrons move around or even through any obstructions.


“It’s like they have their own GPS and steer themselves without scattering,” Hasan continues to explicate. “They will move and move only in one direction since they are either right-handed or left-handed and never come to an end because they just tunnel through. These are every fast electrons that behave like unidirectional light beams that can be used for new types of quantum computing.”


So, in a word, the Weyl particle is cool beans, man, cool beans.



 


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Weyl Particle: A Massless Solution to Your Quantum Locutions