The study demonstrated a new approach to harnessing these frequencies, developing a new chip that can convert them into power for a small LED, possibly other small electronics and sensors. . Over the years, they’ve looked at a number of research projects aimed at capturing energy from radio waves, such as those generated by Wi-Fi, with some showing real potential. The idea is to turn the energy from these wireless networks so that it doesn’t go to waste and use it for power supply purposes. However, generating effective amounts of energy has so far been challenging. The researcher holding the chip has a series of small devices called torque oscillators that can power LEDs. The new technology, developed by scientists at the National University of Singapore (NUS) and Japan’s Tohoku University, uses a torque oscillator (STO). This is a relatively new class of micro-devices that are capable of generating microwaves, but have so far only resulted in low output power. Fusing multiple STOs together on a single chip is the way the scientists hope to increase this power output, but they have had difficulty determining the optimal configuration. Efforts are hampered by issues around distance and low frequency response. The authors of the new study designed and tested the new layout, where eight STOs are connected in a chain, which they say overcomes these problems. The new layout can take the 2.4 GHz radio waves generated by Wi-Fi signals and convert them into direct voltage signals. It will be fed into a capacitor and used to light up a 1.6 volt LED. Charging the capacitor for 5 seconds allows the LED to stay on for one minute, even after the power has been turned off. Study author Professor Yang Hyunsoo said: “We are surrounded by Wi-Fi signals, but when not in use to access the Internet, they will not work and this is a huge waste. The available 2.4 GHz radio waves become a source of green energy, thus reducing the need for batteries to power the electronic devices that we use frequently. In this way, small electrical devices and sensors can be powered wirelessly using radio frequency waves. With the advent of smart homes and cities, our work can create energy-efficient applications in communications, computers and neuromorphic systems.” The researchers will seek to enhance the energy harvesting capabilities of this technology by increasing the number of STOs in the chip. They will also explore how it is used to power other electronics and sensors. Huong Giang (via: New Atlas)

Chinese Vice Foreign Minister Qin Cuong. (Photo: Xinhua) Chinese Deputy Foreign Minister Qin Cuong is said to be preparing luggage to go to Washington to replace Cui Thien Khai, a veteran diplomat who is about to finish his job after more than 8 years in the position. The information that Mr. Tan Cuong moved to the US appeared earlier this year when Mr. Thoi, 68 years old, was about to retire. The reports say that Cui is being asked to work a few more months for Beijing to consider how to deal with the new US administration of President Joe Biden and to choose Cui’s successor. Only 55 years old this year, Mr. Tan Cuong is the youngest of the four deputy foreign ministers to assist Chinese Foreign Minister Wang Yi. Moving up from the position of Head of the Reception Department, Mr. Qin was in charge of the schedule of Chinese President Xi Jinping during all state visits and was responsible for organizing talks, receptions, and events. Other receptionist activities. Mr. Qin is repeatedly seen accompanying Xi on tours, including visits to the US in 2015 and 2017. Articles say that Mr. Tan’s meticulousness in managing and arranging visitors Inviting to help ensure few incidents occur outside of a diplomatic scenario when Xi visits countries. Mr. Qin was also a spokesperson for the Ministry of Foreign Affairs of China, praised by Chinese netizens for his tough and straightforward speech. With that style, Mr. Qin is often indecisive in speech that harshly criticizes the US and the West. The official’s tough statements come before the emergence of “warrior diplomacy”. In a 2014 press event, after then-US President Barack Obama ended his visit to Asian allies and reportedly turned down Beijing’s invitation, Mr. Qin was known for his statement that China Quoc will remain there and hold his stance whether the US president visits or not. “We would welcome (Mr. Obama) to visit China, but being friendly to the US in exchange for a visit is the last thing Beijing will do and the US should give up all delusions,” said Mr. Tan, during the second relationship. The country is not as tense as it was during the Trump era. In the current role of deputy foreign minister, Mr. Tan is in charge of both EU affairs and relations with each member of the bloc. He worked in the Chinese Embassy in London from 2010-2011. Mr. Qin is considered the “rising star” of Chinese diplomacy, especially trusted by Mr. Xi for his achievements on the diplomatic front. A cultural attaché at the Chinese embassy in Mexico City and formerly with the Americas Department of the Chinese Foreign Ministry said that Mr. Qin was one of the few candidates selected to fill the ambassadorial positions. in the US, UK and United Nations. The attaché said that it was not known whether Mr. Tan’s lack of experience with the US would be a plus or a minus point. “The delay in Beijing’s delay in bringing Mr. Qin to Washington could be a sign that no official decision has been made yet, given the fact that Mr. Qin rarely engages in Chinese-US interactions.” in addition to arranging Xi’s two state visits to Washington, “the diplomat said, who did not want to be identified. “The current ambassador and former ambassadors of China to the US are both senior and experienced officials, possibly the Director of the North American Department or a veteran of Sino-US relations, but he Qin is not like that and his appointment as an ambassador to the US will disrupt tradition, “the diplomat said. If Mr. Qin is to truly become Beijing’s most important relations manager, this would be a change in Xi’s overall thinking about relations with the United States and how the leader is, the diplomat said. convey the message. Appointing Mr. Tan to Washington should also not be understood as downgrading relations with the United States, because Mr. Tan still holds the rank of deputy minister, the diplomat said. Beijing’s appointment of Zheng Zeguang, who worked in the US for many years, as head of the embassy in London, is seen as a sign that China is looking to turn diplomats around. Minh Bao , the Chinese-language newspaper, speculates that the appointment of Mr. Zheng and possibly Mr. Qin suggests that knowledge and experience may no longer be the most important factor, but the focus is now on those who have witnessed. demonstrated the ability to implement policies and directives from Beijing. Drew Thompson, a former Pentagon official and now professor of public policy at the National University of Singapore, told reporters that Cui, the outgoing ambassador, has acted as a diplomatic buffer amid US tensions – Trung surged in the past few years. “It is difficult to find anyone who underestimates Mr. Cui in Washington DC,” Mr. Thompson said. He wondered whether Mr. Qin, a man who often had a tough tone and had a close relationship with Xi, was judged like this in Washington, during a period when the relationship continued to deteriorate.

According to the Bloomberg, Singapore prosecutors accuse Ng Yu Zhi of defrauding at least S $ 1 billion ($ 740 million) from many investors through a series of short commodity transactions. Singapore police describe this as one of the biggest investment fraud scandals ever.

The Singapore authorities have yet to disclose sufficient information about Ng and his fraudulent tricks. However, Bloomberg research court records, interview investors, and determine that the 33-year-old trader has raised huge amounts of investment with a pledge of up to 15% quarterly average interest rates.

This interest rate is equivalent to the achievements of the top hedge fund managers in the world.

Invest in many areas

As a Singapore citizen, Ng is allowed to bail after paying S $ 1.5 million ($ 1.1 million) in bail. This teller must wear an electronic surveillance device. Ng’s trial will continue in the coming weeks.

Ng’s past remains a secret. However, this teller has become well known in Singapore’s philanthropic community, supercar players and entrepreneur club in recent years. In August 2020, Ng was honored by Yong Loo Lin School of Medicine at National University of Singapore for his contributions in fundraising activities.

Transaction officer Ng Yu Zhi. Photo: PR Newswire.

According to the Straits Times, Singapore authorities confiscated assets worth S $ 100 million ($ 74 million) – including super car Pagani Huayra – of Ng to serve the investigation. A source from the police said the Pagani Huayra is priced at about $ 5.2-5.9 million.

Ng invests in many industries, from commodities, technology startups to Japanese restaurants and veterinary clinics. The fraud allegations against Ng revolved around his transactions at Envy Asset Management and Envy Global Trading. Ng controlled and served as director of these two companies.

Of the more than S $ 1 billion ($ 747 million) poured into these two companies, about S $ 300 million ($ 224 million) was transferred to Ng’s private account, prosecutors alleged. About S $ 200 million ($ 150 million) disappeared without a trace.

To date, Ng’s customers have only received payments totaling S $ 700 million ($ 523 million). However, Ng owed investors S $ 1 billion (US $ 747 million) to investors.

Deceive by short transaction

According to the indictment, Ng raised money from investors to buy nickel from an Australian company called Poseidon Nickel Ltd. However, Ng has never made this transaction. Poseidon CEO Peter Harold asserted that the company has no relationship with Ng or related companies.

In addition, Ng also told investors that he signed multiple contracts with French bank BNP Paribas SA. However, these contracts do not exist at all. BNP does not have an account or transaction history with Ng, Envy Asset Management or Envy Global Trading.

Reply BloombergAn investor of Ng said that he started investing with Ng in 2018. Since then, this investor has never withdraw money because he believes in Ng’s ability to generate profits.

Ng’s list of investors includes fund management company Envysion Wealth Management and Ms. Shim Wai Han – founder of Envysion. The indictment said Ng persuaded Envysion and Ms. Shim to invest $ 35.8 million in virtual nickel investment transactions. “Our goal now is only one, which is to get money back to investors and to ourselves,” Shim said.

Singapore is the center of financial transactions in Asia. Photo: AP.

Neither Ng’s Envy Asset nor Envy Global is licensed by the Monetary Authority of Singapore (MAS) because the law does not require that companies investing in physical assets have a license. After Ng’s scandal, MAS put Envy Asset on the warning list. Currently, Envy Asset is no longer active. Ng was removed from his position as chief executive officer of Envy Global last month for a fraud scandal.

Before Ng’s scandal, Singapore was shaken by the financial fraud of the oil business group Hin Leong Trading Ltd. last year.

However, expert Lawrence Loh – director of the Center for Management and Sustainability at the National University of Singapore Business School – said that Singapore government needs to ensure a balance between tightening financial regulations and controls. create favorable conditions to attract investors.