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Showing posts with label Learning. Show all posts

Wednesday, August 25, 2021

Harris pushes ahead with Vietnam visit; 'lip service in Asia trip can't save US tainted image'

 American rules-based order only serves Washington's hegemony: Chinese diplomat

 

 The Vietnam War 1945–1975: “Napalm Girl”
 
US Vice President Kamala Harris (left) and Singapore Prime Minister Lee Hsien Loong hold a joint news conference in Singapore on Monday during Harris' visit to the country. The two sides reached a series of agreements at combating cyberthreats, addressing the COVID-19 pandemic and alleviating supply chain issues. Photo: VCG
 

https://youtu.be/LT9sv0mEgd0

 
The Chinese Foreign Ministry and experts blasted US Vice President Kamala Harris' remarks which accused China of "intimidation" in the South China Sea and undermining the rules-based order, saying that US rules-based order means "arbitrary intervention" in sovereign countries considering what is happening in Afghanistan.

` Despite intensive visits by senior US officials to Southeast Asia recently, the US "lip service" diplomacy in enhancing the US' presence in the Asia-Pacific region will only end up in vain amid its collapsing image over its hasty withdrawal from Afghanistan, severely weighing on its "America's back" strategy, which underscores that the US' so-called rules-based order only serves its own hegemony, Chinese experts said.

` Harris rebuked China during a speech in Singapore on Tuesday, accusing the country of coercion and intimidation on the question of the South China Sea, and claiming that the actions of the Chinese government continue to undermine the rules-based order and threaten the sovereignty of nations, Bloomberg reported.

` The senior US official also noted that the US engagement in Southeast Asia and the Indo-Pacific is not against any country, nor is it designed to make anyone choose between countries, according to the media report. Harris, eager to woo allies in a bid to counter China, pushed ahead with the trip to Vietnam on Tuesday after a three-hour delay in Singapore due to an unexplained health incident potentially related to the mysterious Havana Syndrome, Reuters reported.

` Southeast Asia has been witnessing an "American comeback" in recent months as several senior officials, including US Secretary of State Antony Blinken, US Defense Secretary Lloyd Austin and Deputy Secretary of State Wendy Sherman, paid visits in quick succession to the region. The latest visit of Harris to Singapore and Vietnam is considered US renewed efforts in lobbying Southeast Asian nations in confronting China, playing the role of disrupter in the region for its own security and economic interests.

` "What is happening in Afghanistan clearly demonstrates that the US' so-called 'rules-based order' is a way to arbitrarily intervene militarily in a sovereign country without being held responsible for the suffering of its people," said Wang Wenbin, spokesperson of the Chinese Foreign Ministry, on Tuesday during a routine press conference in response to Harris' remarks.

` The US can come and go whenever it wants without consulting the international community, or even its allies. It can smear, suppress, coerce and bully other countries at will without paying any price just to keep America first - that is the order the US wants, Wang said.

` When many compared the scene in Kabul airport with America's ignominious retreat from Saigon, Vietnam in 1975, some experts said that Harris' "lip service" diplomacy in courting Southeast Asian countries will not save the US from its unprecedented crisis of credibility among allies following its Afghan retreat.

`


` When Harris is in Vietnam, the Vietnam people surely will not forget how the US escaped from Saigon, and the Vietnam party and government deeply understand America's conduct and behavior. They will not echo the US call to provoke China and damage Vietnam-China relations, Lü Xiang, a research fellow in US studies at the Chinese Academy of Social Sciences in Beijing, told the Global Times on Tuesday.

` Even before the US fiasco in Afghanistan which has damaged its image, most Southeast Asian countries did not choose sides between China and the US despite the continuous lobbying of US officials in the region, not only because Southeast Asian countries usually adopt more balanced foreign policies regarding major powers, but also many are not convinced by the empty promises made by Washington.

`

` Given the momentum of China-ASEAN trade growth during the pandemic, the US feels anxious. Harris' visit signals a US reiteration of its "promises" to the region in the hope to enhance security cooperation with the region and push Southeast Asia to decouple with China, but Xu Liping, director of the Center for Southeast Asian Studies at the Chinese Academy of Social Sciences in Beijing, questioned to what extent such tactics can work to serve the US' Indo-Pacific Strategy.

` The US sees Singapore and Vietnam as two "partners" that it can work with but the two have close economic connections with China and supply chain decoupling would be very difficult, Xu told the Global Times on Tuesday.

` The US wants to use such high-level visits to pacify its partners and make them believe that the US will not leave the region, but it lacks the resources to achieve its overly ambitious goal, Xu said, noting the chaos in Afghanistan was so vivid that Southeast Asian countries will definitely use that to evaluate how reliable the US' promises are.

` US defense chief Lloyd Austin completed a week-long visit to Singapore, Vietnam and the Philippines in late July. Austin started his tour with hard-line remarks against China in Singapore, but this stance was not embraced by leaders of Southeast Asian countries.

` Singapore Prime Minister Lee Hsien Loong warned earlier in August over the US against aggressively challenging China, saying Washington's increasingly hard-line views could be "very dangerous," according to the AFP.

` Harris' China-related position has not been openly echoed by leaders in Singapore, which shows that Southeast Asian countries have no intention of being hijacked by US Indo-Pacific strategy in wrestling with China, and some will continue to strike a balance between China and the US, Lü noted.

` "As long as they realize the role of US is not constructive, which only consumes diplomatic resources, they will further understand the US only serves as a regional disrupter rather than a contributor in Southeast Asia," he said.

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Tuesday, August 24, 2021

Open that window! Because fresh air can help lessen the spread of a virus and prevent infections

Fresh air can help stop infection

We need more emphasis on the need for good ventilation to avoid transmitting Covid-19.

 

University Kebangsaan Malaysia researchers have shown that the virus causing Covid-19 can remain in the air for up to eight hours in enclosed, poorly-ventilated spaces. This is why it is so important to open the window and bring in fresh air from outside. — dpa

 WASH your hands. Since the start of the Covid-19 pandemic, we’ve heard that constantly. But tell me, how often do you hear: “Open the window”?

` We’ve fussed over sanitising, sterilising and disinfecting to prevent the virus from spreading. But what about ventilation? Where is the fuss to bring fresh air to indoor spaces to clear contaminated air?

` Don’t get me wrong, I’m very much into washing hands – ask my children, who’ve heard that for years. But people get infected with Covid-19 mainly from the air they breathe, so why doesn’t ventilation get greater attention?

` People infected with Covid-19 release the virus when they exhale – and in high concentrations when they hack, cough, sneeze, shout or sing. In a closed room, the concentration of virus particles can build up along with the risk of infection. Covid-19 is said to spread with the “3 Cs” – crowded places, confined spaces and close conversation.

` Air-conditioners that recirculate air may become transmitters of disease. In one well-known case in a restaurant in China, 10 people sitting at three different tables got infected from one person, due to the air flow of the air-con blowing virus particles about.

` Over the last year, experts have hotly contested how Covid-19 spreads, in a debate over big droplets vs aerosols (tiny airborne droplets). Health organisations now increasingly accept the major role of airborne transmission. Such details may seem trifling, but the implications are huge. Droplets fall quickly to surfaces, like raindrops; aerosols can remain suspended in the air for hours and move with air currents, like dust particles. This means that you could walk into a closed room and breathe in virus particles left behind hours ago by an infected person.

` This is why ventilation is so critical – more so with the highly infectious Delta variant raging across the country.

` Studies last year by University Kebangsaan Malaysia (UKM) researchers have shown that the virus causing Covid-19 can remain in the air for up to eight hours in enclosed, poorly-ventilated spaces – and that the virus can also travel as far as 6m in aerosols.

` “This is why it is so important to open the window and bring in fresh air from outside – it will dilute the contaminated indoor air inside,” explains ventilation expert Assoc Prof Dr Mohd Shahrul Mohd Nadzir, from UKM’s Centre for Earth Sciences & Environment, who led the studies.

` Ideally, a cross-breeze is needed, so air moves from a window across the room.

` But what if windows can’t be opened? High-rise buildings and shopping malls have central air-conditioners with a ventilation system bringing air in from outside. But such systems need to be monitored and maintained says Dr Shahrul, adding that servicing may not be as easy as most aircons in homes. And they may be inadequate, for instance in malls during festive seasons.

` Also problematic are offices or restaurants with air-conditioners that recirculate air and have no ventilation systems. These could be potential superspreader sites.

` In May, the Singapore government issued detailed guidelines on ventilation in enclosed spaces. The key takeaway: Open the windows and turn off the aircon as often as possible. Also, run exhaust fans at full capacity in closed areas such as toilets.

` “We need to start monitoring indoor air quality to ensure good ventilation so we can prevent indoor clusters,” Dr Shahrul says, adding that air quality sensors can provide continuous monitoring.

` Clean air matters for Covid-19 – there is a strong correlation between air pollutants and Covid-19, which both cause respiratory problems. Moreover, ultrafine particles in the air can potentially carry SARS-CoV-2, as shown by Dr Shahrul’s UKM team in a study published by the Nature Scientific Reports journal early this year.

` Areas with poor indoor air quality could have more ultrafine particles, increasing the risks of Covid-19 transmission. Attached to these particles, the virus could travel over longer distances, explains Dr Shahrul, adding that this occurs with other respiratory viruses.

` The risks of transmission are also higher if many people are in a confined indoor space with poor ventilation. Indeed, we have seen explosive spread in the cramped conditions in which migrant workers live and work.

` The UKM team aims to do a study on air quality on public transport. Buses and LRT/MRT trains have ventilation systems, but when packed, these may be inadequate.

` Dr Shahrul says air purifiers with true Hepa (high efficiency particulate air) filters can help clean air. But he adds: “I wouldn’t simply trust any air purifier brand, they must use a good, proven filter.”

` The other protective measure is, of course, to wear proper, fitting masks (ideally N95 or FFP2, ie masks that filter particulates).

` The pandemic has highlighted a long-standing problem: the need for better ventilation systems and regulations.

` “Human spend 90% of their lives indoors compared with outdoors. We definitely need much stronger regulations on ventilation,” says Dr Shahrul.

` For now, the best way to protect ourselves from Covid-19 (aside from vaccination) may be what renowned infectious disease expert Dr Michael Osterholm says: “Stop swapping air” with others outside your trusted circle of contacts.

` - Mangai Balasegaram writes mostly on health, but also delves into anything on being human. She has worked with international public health bodies and has a Masters in public health. Write to her at lifestyle@thestar.com.my. The views expressed here are entirely the writer’s own.

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Monday, August 23, 2021

WhatsApp, Friends Reunion, missing parcels: Here’s how scammers are stealing money from netizens

 

In its report titled ‘Spam and Phishing in Q2 2021’, researchers from cybersecurity firm Kaspersky have detailed how scammers used WhatsApp for tricking users into giving up their hard-earned money in the past quarter. — AFP

 

WhatsApp is one of the most popular messaging platforms on the Earth. It is used by over two billion users across the world to send around 100 billion messages every month.

` Unfortunately, its popularity among users also makes it popular among scammers who are constantly looking for new tricks to dupe innocent netizens. Now, a new report by Kaspersky has shed some light on the tricks that the fraudsters have been using to steal users’ money.

` In its report titled ‘Spam and Phishing in Q2 2021’, researchers from cybersecurity firm Kaspersky have detailed how scammers used WhatsApp for tricking users into giving up their hard-earned money in the past quarter.

` “Victims were asked, for example, to take a short survey about WhatsApp and to send messages to several contacts in order to receive a prize. 

Another traditional scam aims to persuade the user that they are the lucky winner of a tidy sum. Both scenarios end the same way: the scammers promise a large payout, but only after receiving a small commission,” the company wrote in its report.

` Another method used is sending messages through email. “Emails with a link pointing to a fake WhatsApp voice message most likely belong to the same category. 

By following it, the recipient risks not only handing over their personal data to the attackers, but also downloading malware to their computer or phone,” the company added.

` Notably, WhatsApp is just one of the many ways that these fraudsters used to defraud innocent users. Yet another method that they used for tricking people is called parcel scam, which was one of the most common tricks that they used in the past quarter. 

They used invoices from mail companies, including custom duties and shipment costs, to make Internet users pay a small sum to get their packages.

` “When trying to pay for the service, as with compensation fraud, victims were taken to a fake website, where they risked not only losing the amount itself (which could be far higher than specified in the email), but also spilling their bank card details,” the cybersecurity experts wrote in the report.

` Fraudsters also used Friends: The Reunion to defraud Internet users. Kaspersky researchers found fake sites supposedly hosting Friends: The Reunion. 

“Fans who tried to watch or download the long-awaited continuation were redirected to a Columbia Pictures splash screen. After a few seconds, the broadcast stopped, replaced by a request to pay a nominal fee,” the report added. – Hindustan Times, New Delhi/Tribune News Service

`
` Source link

 

Spam and phishing in Q2 2021 - Securelist

WhatsApp users’ phone numbers and chats exposed on Google

 

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Saturday, September 5, 2020

China develops advanced brain-like computer

The brain-like computer with over 100 million neurons. [Photo/zhejianglab.com Innovation - Chinadaily.com.cn]


HANGZHOU - A brain-like computer with over 100 million neurons, the first of its kind in China, has been developed by researchers in East China's Zhejiang province.

Zhejiang University and Zhejiang Lab on Tuesday jointly introduced the newly developed computer named Darwin Mouse.

This high-tech device contains 792 second-generation brain-like Darwin chips developed by Zhejiang University, said Zhu Shiqiang, director of Zhejiang Lab.

It supports 120 million spiking neurons and nearly 100 billion synapses, which are equivalent to the number of neurons in the brain of a mouse. The average power consumption of the computer comes in at only 350-500 watts.

"Just like building blocks, we integrated the 792 brain-like computing chips into three standard server chassis to form a powerful rack-mounted brain-like computer," said Pan Gang, leader of the research team, from College of Computer Science and Technology, Zhejiang University.

Meanwhile, the team also developed an operating system specifically designed for brain-like computers, named Darwin OS, which realizes effective management and scheduling of the hardware resources and supports operations and applications of brain-like computers.

According to researchers, brain-like computing refers to the use of hardware and software to simulate the structure and operating mechanism of the brain's neural network and construct a new artificial intelligence paradigm. It is an innovative computing architecture that is regarded as one of the important ways to solve complex computing-related problems in fields, such as artificial intelligence.

Pan added that this type of brain-like computer has been able to perform a variety of intelligent tasks, such as enabling the collaboration of multiple robots in simulated flood-fighting-and-rescue operations, simulating different regions of the brain and providing faster and large-scale simulation tools for scientific research. Besides, it has also realized "mind typing" through real-time decoding of electroencephalogram (EEG) signals.

"By simulating the human brain, we will be able to understand the working principles of different parts of the brain, which will help cure certain brain diseases that otherwise cannot be diagnosed through biomedical approaches," said Pan. "In the future, brain-like computers will have broader application prospects including three major areas of artificial intelligence, brain science and brain diseases."

"Brain-like computing is expected to emerge as an important form of computing in the future," said Wu Zhaohui, academician of the Chinese Academy of Sciences and president of Zhejiang University.

"It is the latest achievement of the brain science and artificial intelligence research project (referred to as the Double Brain Project). By emulating the structure and mechanism of the brain, this project is expected to develop a new computer architecture that will lead the future," said Wu.

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Thursday, August 20, 2020

One minute exercise cures for health; 一分钟就见效:高血压、失眠、咳嗽、便秘……

一分钟就见效,快快收藏吧~








高血压、失眠、咳嗽、便秘……这些生活中经常我们遇到的疾病,困扰着很多人。除了吃药治疗,还有什么方法让病痛立马缓解呢?

其实只要学会利用我们身上的治病开关,一分钟就能见效,赶快收藏吧~






一分钟降血压

按摩头顶百会穴一分钟,可使血压明显下降,也可避免出现脑血管意外。






一分钟降血糖

按摩足内侧缘,赤白肉际的然谷穴,可有效控制血糖。



一分钟降血脂

用双手拇指按揉双腿足三里穴(膝盖外侧凹陷,位于膝盖下三寸,胫骨外侧一横指处),可有效控制降低血脂。



一分钟降尿酸

按揉前脚掌,人字沟处的涌泉穴,可增强人体的水液代谢,有效降低体内尿酸。



一分钟缓解心绞痛

按压中指尖的中冲穴,可缓解心绞痛。





一分钟缓解心慌气短

按压手腕处的神门穴,可缓解心慌气短。




一分钟缓解失眠

小臂自然下垂,拍打大腿外侧风市穴,很快便可产生睡意。






一分钟缓解头痛

按压后脑与脖子连接两侧处的风池穴,头痛立马缓解。






一分钟缓解便秘

按揉腕背横纹上3寸的支沟穴,按摩之后缓解便秘。






一分钟止咳

按揉喉咙下凹陷处的天突穴,可以有很好的止咳效果。






一分钟缓解牙痛

按压合谷穴,牙痛马上缓解






一分钟缓解打嗝

按压眉头的攒竹穴,打嗝即止。






一分钟缓解落枕

握拳,从手腕推到小指手指方向到尽头,一遍按揉后溪穴,一遍活动脖子即可缓解。






一分钟缓解腿抽筋

用力按压患侧小腿上的承山穴,即可快速缓解抽筋。
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            


两手对搓一分钟
两手掌快速对搓300次,刺激手掌穴位可通六经、强内脏,调和阴阳之气,治疗肩痛、眼睛疲劳。

手指摩头一分钟
手指由前额深摩头顶至脑后,每秒2~4次,可促进脑部血液回流,使发根得到充分营养,令头发黑亮。

揉耳轮一分钟
双手轻揉左右耳轮至热,有通经散热、保健听力的作用,尤其对耳鸣、目眩、健忘有防治功效。  

转睛一分钟
眼球顺时针和逆时针各转动30次,可以强化眼肌,防治慢性角膜炎、近视等功能。

拇指揉鼻一分钟
双手拇指上下揉鼻50次,可开肺窍,对感冒、上呼吸道感染、支气管炎,甚至对心脏病、动脉硬化有防治功效。

叩齿卷舌一分钟
轻叩牙齿,可使牙根和牙龈活血,卷舌可使舌活动自如,增加其灵敏度。

轻按肚脐一分钟
双手掌心交替顺时针揉摩肚脐,可通畅胃肠之气,促进消化

收腹提肛一分钟
反复收缩肛门,可增强肛门括约肌的收缩力,促进血液循环

伸屈四肢一分钟
伸屈运动可使血液迅速回流,给心脑系统供给足够的氧气和血液

蹬摩脚心一分钟
仰卧以双足跟交替蹬摩脚心,可引导肾脏虚火及上身浊气下降,并能清肝明目,对治疗神经衰弱、失眠、耳鸣等均有疗效

虎口平击一分钟:面部疾病
针对:视力模糊,鼻炎,牙疼;预防感冒。

手掌侧击一分钟:防止骨退化

针对:头痛、颈痛;预防骨刺;骨退化。

手腕互击一分钟:心肺疾病
针对:心脏病;胸痛;胸闷。

十指交叉互击一分钟:抗麻
针对:手麻、脚麻等末梢循环的问题。

拳击掌心各一分钟:疲劳
针对:提神消除疲劳。

手背互击一分钟:内脏问题
针对:糖尿病,调整内脏机能。

搓双耳一分钟:促血液循环
针对:头部、面部的血液循环,有利于防止血栓。
手掌心捂热捂眼睛一分钟:老花眼
针对:预防近视、老花以及视力模糊。











一分钟就能见效的治病方法,大家看到赶紧收藏,说不定哪天就能用上!把它发给你的朋友们,让健康快乐长寿伴随我们身边的所有人!

(放到您圈子里,朋友们会感激您)