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)

Americans call the unexplained neurological problems experienced by US diplomats in Cuba in 2016, including dizziness, ringing in the ears, headaches and nausea – sometimes combined by a ” the mysterious but more serious noise…, is the “Havana Syndrome”. Notably, in 2018, some US employees working in a few countries other than Cuba such as China (in Guangzhou) also reported experiencing similar symptoms – dizziness, lightheadedness, fatigue, or fatigue. headaches and blurred vision, memory loss and difficulty concentrating; some even face severe vision and hearing loss; children in the home had nosebleeds – prompting the Donald Trump administration to allege that diplomats were attacked with a secret weapon. In the late 2010s, US and Canadian diplomats experienced health problems of unknown cause; Source: stellariasacademy.online Mosquito repellent may be the cause of a mysterious illness that affects about 40 US and Canadian diplomats in Cuba, according to Canadian government research. Scientists from Dalhousie University and the Nova Scotia Health Service studied Canadian victims and also the brain of a pet dog after death. The results showed that these people lacked cholinesterase – an enzyme necessary for the functioning of the nervous system. Some pesticides work by inhibiting this substance. During the 2016-2018 period, Cuba stepped up the spraying of disinfectants to prevent the spread of Zika. That was also the time when diplomats had unusual symptoms. It is not clear if Cubans will be affected by the disinfectant, but the Canadian team of scientists is planning to work with Cuban scientists to further investigate the issue. Returning from Guangzhou, American diplomats were only allowed to take unpaid leave instead of receiving treatment and rehabilitation. The Trump administration also did not launch an independent investigation into the cause of the incident. American diplomats who had to be evacuated from Guangzhou are still fighting for not receiving the benefits they deserve compared to victims of the “Havana Syndrome”; US diplomat Mark Lenzi filed a lawsuit against the State Department. Meanwhile, some medical experts and US officials believe that this is just a psychological disease that is formed in a stressful working environment abroad. According to the New York Times, the University of Pennsylvania Brain Injury Rehabilitation Center has received 44 American diplomats returning from Cuba and 15 returning from China. Here, treating doctors declined to comment in detail, but rejected the theory of a psychological illness. According to them, these patients all experienced brain injuries due to external influences. Symptoms Similar to “Havana Syndrome” The Pentagon and other agencies that are investigating the incidents have not yet discovered or released details, but the suspicion of an attack that happened too close to the White House is of interest, especially for these reasons. familiar – terrorism. In early April 2021, the Senate and House Armed Services Committees were briefed by Defense officials, possibly including an incident that happened near the White House. The latest symptoms similar to “Havana Syndrome” have been reported near the White House, for some; Source: news.com.au The incident happened on the Ellipse – the large oval lawn south of the White House – where the “energy attack” took place that made a National Security Council official fall ill, according to several current officials. current and former US official with CNN. A female White House official also reported a similar incident in 2019, when she was walking her dog in suburban Virginia, according to a GQ report from 2020. All people who have experienced symptoms These witnesses all report their experiences to the CIA and the foreign personnel department of the State Department, to quickly open investigations into possible “Havana syndrome” attacks. A study by the National Academy of Sciences in late 2020 found that the illness that American officials contracted in Cuba, still known as “Havana Syndrome,” could be the result of microwave radiation. The document also says that the Soviet Union studied the effects of radio frequency energy 50 years ago – meaning any country, group or entity with similar technology could be behind the attack. power station near the White House and elsewhere. Microwaves are a type of electromagnetic radiation. The human eye can only see a small fraction of electromagnetic radiation – as visual light. But today, microwaves are in common everyday use – including telephone and television communications. Industrial applications include potato processing, plywood drying and curing, bread and donut making, etc. Sonic weapons may be the cause of the incident at the White House A directed-energy weapon that uses microwaves can quickly heat up parts of the body – especially those with less blood flow, like the ears, testicles, or brain. But more likely, the microwave during the “Havana Syndrome” event – and possibly the event near the White House – was the use of sonic weapons, or long-range acoustic devices. Is it true that “Havana Syndrome” is caused by a mysterious weapon?; Source: stellariasacademy.online Jai Galliott, director of defense and technology assessment and a former Australian naval officer at the University of New South Wales, said in an ABC report that sonic weapons can cause lung and liver damage. if set to the appropriate decibel (unit of sound measurement). Galliott adds, it has been shown that sustained low-frequency exposure over a long period of time can have other effects on the brain, and potentially brain tissue. And these weapons are real. The technology has existed since the 1970s and entered public discussion in the 1980s. But because the technology is still in the near-monopoly of the eyes of high-ranking government officials – like the Ministry Defense (DoD) or Central Intelligence Agency (CIA) – it is not easy to determine exactly how the weapons and symptoms of the White House event are causally related. “It’s not particularly complicated technology, it’s more about how they use it [và] effects they used to use [điều đó còn khó hiểu hơn]”; “Definitely Russia has that technology, the US has that technology, and also China,” Galliott explained to ABC. While it’s too early to say which devices, if any, caused the debilitating symptoms experienced by US officials near the White House and elsewhere in the previous months, we could be on the way. into a new era of discreet yet effective attacks on high-ranking officials – leaving no trace of the actors to blame. It is possible that the energy attacks were carried out from a low-flying drone, or a nearby operator, although this is only speculation. Canadian diplomats said their government had more detailed information on brain injuries caused by “Havana Syndrome”, but gave no further details.