As it is a global agenda to adopt a lifestyle that is more environmentally friendly, developing technology that allows eco-friendly processes and production outcomes has also shifted into focus. Professor Sung Tae-hyun's (Electrical Engineering) research on energy harvesting technology is a prime example that shines a ray of hope onto our path of sustainable development. According to research from Cambridge University, only 12 percent of electric power generated from a power plant is used, while the other 88 percent goes to waste. Consequently, "energy harvesing," the idea of saving and using the wasted energy, has become a crucial research topic for more effective and efficient use of energy generated. It would eiminate concerns about creating a completely different type of power plant or unintentionally harming the environment. "Energy harvesting technology will allow us to convert various types of wasted energy into usable energy,” said Sung. Sung Tae-hyun (Electrical Engineering) explains the different types of energy and how massive an amount of it is wasted. There are different types of convertible energies such as piezoelectric energy (electric energy created from vibration), heat energy (electric energy created from heat), and photovoltaic energy (electric energy created from lighting). Sung focused on piezoelectric and photovoltaic energy when researching energy harvesting technology. The purpose of his research was to successfully create an "energy harvestor" with a sensor that detects the different types of energy, then converts them accordingly to electric energy that is entirely usable and more environmentally friendly. “Sensor technology is actually the core of the Fourth Industrial Revolution since everything is connected through internet of things (IoT). It can detect anything anywhere without limitations, and that’s what would make the energy conversion process more efficient, especially in places where all types of energy are generated.” Energy harvestors demonstrated in a smart factory (Photo courtesy of Sung) Sung is in charge of Hanyang University's (HYU's) SEED laboratory that researches energy harvesting technology. In 2011, it even broke a record for retaining the world’s best piezoelectric energy harvesting data. According to Sung, he approached the energy waste problem by first communicating with the workers in the field, detecting and redefining the problem at hand, moving on to the ideation process, creating prototypes, and then testing it out to see if it was realistically applicable and effective. Sung is now in the process of testing out the developed energy harvestors in four big industries such as LED production, smart factories (industry where the whole production process is combined with digital automation solutions), and industries where both offices and production scenes are located in the same building and power plants. “Currently, we are working on the development and commercialization of applicable IoT sensors applied to energy harvestors, but we hope to create harvestors with massive energy conversion capacity in the future. Not letting any energy go to waste is the main goal,” said Sung. Sung explains the application process of energy havestors in various industries. Behind Sung’s passionate research, there was a strong drive that was truly inspirational. “Our lab is called the SEED lab, like the seed in an apple. You may know how many seeds are generally in an apple, but you never know how many of them will actually become an apple. It is the work of a miracle, and that is the kind of miracle that our lab members wish to achieve together. I ask myself, what kind of fruit am I expecting in 10 or 20 years when I’m planting this seed? In other words, what is my goal in life that takes the form of the fruit? There are so many people that eat the seed before it grows just to fulfill their self-interest. I’d say that those people are myopic, as they may be full and satisfied for the moment, but they will not be in the future. It sure takes a long time to grow and harvest the seed, but once it grows and starts to bear fruit, a never-ending cycle begins. One seed will bear hundreds of fruits ever year. So the next question is, how will you use these fruits? For me, that’s the question of what I want to achieve in my life, and my life goal is to give back the fruits I’ve harvested to the society, and spread the happiness.” Sung talks about his beliefs and philosophy, ending with some inspirational advice for Hanyang students. “I hope that I can share this belief with the Hanyang community. I hope that we can work together to grow the seeds of Hanyang into a strong tree that will bear many fruits, and spread the miracle to the world. That being said, I would like to tell the students not to be afraid of failure, to have a life-goal that can change the world, not to be devastated from failure, to always be positive but not conceited nor arrogant, and to love challenges. Our body is systematically goal-oriented, and once we have a goal, it becomes our drive to keep going even when we are tired. On top of that, if you think that our purpose in life is for the happiness of our community, then you will become a true global leader.” Park Joo-hyun firstname.lastname@example.org Photos by Choi Min-ju
This Week's Article
- 2018.0807[Excellent R&D] Developing Revolutionary Energy Harvesters
- 2018.0806A Trophy at Last
Hanyang University (HYU) boasts many talented athletes, and the volleyball team has many of them. After many years of hard work, the university volleyball team won a trophy in this year’s Cheongyang National Volleyball Competition, defeating its rival 3 to 1 in the final play-off. The competition was held in Cheongyang-gun from July 16th to 23rd, co-hosted by the Korean University Volleyball Federation (KUVF) and Cheongyang County Volleyball Federation. Among the players, the competition is commonly referred to as "the second competition." This is because there are two competitions during each summer vacation, aside from the year-round tournament during the spring and fall semesters. HYU volleyball team was not able to make it to the final round during the "first competition." Surprisingly enough, this is what has been happening with the team for several years. Director Yang Jin-woong commented, “Although their final rank was 6th, defeating last year's champions on the way boosted the team’s ego a lot.” The team captain let the director take the credit. “The training got much more organized and made it possible to win,” smiled Ryu Seong-ju (Sports Industry, 4th year). Ryu Seong-ju (Sports Industry, 4th yr), the captain of the volleyball team, commented that he wants to make it to the play-off this year and bring home a prize on August 1st. The toughest match in the competition was the final round, where HYU met Kyunghee University. “Our players couldn’t even move their legs in the first round,” reminisced Yang. That fear did not come from the loss to Kyunghee during the home-and-away matches earlier this year, but the fact that they had never made it to the final round. But with the director’s fierce encouragement, the players were able to play as well as they had during practice. The captain also revealed a secret source of encouragement from the coach. “He promised the team two more days of vacation and 1 million won prize money. That really raised the team spirit,” laughed Ryu. Both the director and the captain showed confidence for the coming home-and-away games. Ryu emphasized that although the HYU volleyball team did not make it to the play-offs for the past four years, it seems highly possible this year. “When I was on the university volleyball team, I was proud to be part of it. I will work hard to get that glory back,” said Yang with contentment. The upcoming season starts when school starts again and runs until October. Wish the team luck! Kim So-yun email@example.com Photos by Kang Cho-hyun
- 2018.0801[Channel H] Hanyang International Summer School 2018 Graduation Ceremony
■ Date : July 27th, 2018 ■ Location : Hanyang university Olympic Gymnasium
- 2018.0730[Researcher of the Month] Observation of Unique Properties of Anti-PT-Symmetric Systems
Professor Song Seok-ho (Department of Physics) has recently announced his research on the observation of an Anti-Parity-Time (APT)-Symmetric exceptional point and energy-difference conserving dynamics in electric circuit resonators. When dividing an electric circuit in half, the two parts show a symmetric stream in both time and space. This is referred to as Parity-Time (PT) Symmetry, which enables electricity to flow in the same stream in both directions inside an electric circuit. By "breaking" the unidirectional converter, the symmetric stream of the forward and backward propagation differs, and the PT-Symmetric form is broken. This picture shows the breaking of the Parity-Time (PT) - symmetric form and how the flow of light changes. By breaking the symmetric middle part, the forms of foward and backward propagation differ, which allows for the creation of diodes. (Photo courtesy of Song) Breaking the PT-Symmetric form allows for the creation of diodes which are semiconductor devices that allow electricity to flow only in one direction and prevent any form of backward propagation. Being a key element of the flow of electricity within an electric circuit, the creation of photodiodes has been a long-term goal in the field of nanophotonics. Based upon the idea of substituting electricity with light, which would allow electric devices to be used with higher speed and energy efficiency, nanophotonics have long been troubled with a loss of energy due to the absence of diodes which allow the efficient flow of energy. Thus, Song’s current research of creating diodes through the "breaking" of PT Symmetries has significance, as it may provide a foothold for the creation of photodiodes. Song has verified his research by successfully breaking symmetries within electric circuits formed with resistance-electric condensers. The experimental process was made as simple as possible based upon the professor’s belief that easy verification leads to easy commercialization. “It is the process of thinking out ideas that should be given effort, whereas the experimental process should be done with ease,” explained Song. This can be seen in the fact that only simple devices with educational purposes were used in the verification of this research. Professor Song Seok-ho shared his research philosophy of the making process which should receive the bulk of time and effort. On the other hand, he mentioned that the experimental process should be conducted as simply as possible, as simple verification leads to simple commercialization. When asked of his future plans, Song explained how he has managed to break through one mere field of nanophotonics. He also maintained that “there are so many fields to overcome. By applying concepts to each field, breaking through the current limitations of physics is my next goal.” Succeeding with the observation of anti-PT-symmetries, it does not seem like it will be long before Song provides another foothold towards a novel breakthrough in the field of nanophotonics. Choi Seo-yong firstname.lastname@example.org Photos by Choi Min-ju
- 2018.0730HYU Hospital Free Lecture and Cancer Screening
Hanyang University Hospital organized a free lecture and cancer examination on Friday, July 27th, which was World Head and Neck Cancer Day. It was the second year the hospital hosted an event to raise awareness of head and neck cancer to the public. Four doctors from different hospitals joined this event, and 34 people were examined to check if they had any cancer or other issues in their head or neck. Head and neck cancer is not as well-known as other cancers like breast cancer or lung cancer. It is because this type of cancer is not as prevalent. However, head and neck cancer does occur, more and more so recently. Early discovery and treatment is the key, which is why experts in the field gathered and created World Head and Neck Cancer Day four years ago. HYU hospital was the first to celebrate it in Korea last year, which influenced other hospitals to join in this year. Professor Jung Pil-sang (Korean Society of Head and Neck Surgery) is giving a lecture on Friday, 27th July at Hanyang University Hospital. One of the highlights of the event was the part where patients who have overcome different types of head and neck cancer shared their experiences with the crowd through video testimonials. Kim, age 59, attested to a lucky discovery during his ultrasound test, and how he now goes around and helps others quit smoking. More than 65 percent of the cases of head and neck cancer are caused by alcohol and tobacco use. Tae Kyung (Department of Otolaryngology), as one of the organizers of the event, emphasized that “more than 80 percent of head and neck cancer is related to smoking habit.” Tae Kyung (Department of Otolaryngology) mentioned, "It is important to trust the medical staff and not rely on information from the internet for the treatment to be efficient," on Friday, 27th July at the World Head and Neck Cancer Day event. (Photo courtesy of Tae) The following are symptoms of head and neck cancer that require an immediate visit to the doctor. Change in voice for three weeks or more A mouth ulcer that doesn't heal after three weeks or more Oral swelling that lasts three weeks or more Reddish white patches inside the mouth Difficulty swallowing for three weeks or more Congestion on one side of the nose with drainage Teeth chattering without a clear reason Enlarged lympnodes lasting three weeks or more Lump on the eye lid or near the eye Ear pain or trouble hearing for three weeks or more Tae mentioned that he is “excited to spread awareness about the cancer so that more people will be able to treat the disease before it’s too late.” Head and neck cancer is untreatable after entering the second half of the fourth stage. He advised those suffering from the symptoms above to immediately see a doctor for a check-up. Kim So-yun email@example.com Photos by Kang Cho-hyun
- 2018.0626[Card News] [Excellent R&D] Organic-Inorganic Hybrid Multi Layers
▲ Click to read the English article - [Excellent R&D] Organic-Inorganic Hybrid Multi Layers
- 2018.0610[Op-ed] Hidden Camera Epidemic
More than 12,000 women from different cities gathered in front of Hyehwa Station in Seoul on May 19th. Chanting slogans such as “fair investigations” and “the same punishment for the same crime,” the protest reflected the collective emotional response from women that were triggered by the Hongik University male nude model hidden camera incident. The perpetrator of the incident was arrested just 12 days after the crime, whereas for incidents victimizing females, even when evidence is "collected and taken to the police,” they are said to be “impossible to find the perpetrator.” Such uproar comes from a deeply rooted mix of fear and distress that most South Korean women face everyday regarding hidden camera issues. Hyehwa Station protest on May 19th against supposedly biased investigation processes, after the Hongik University male nude model incident. (Photo courtesy of Yonhap News) The South Korean government censors all obscene materials including hardcore pornography. As it is illegal to distribute porn or any explicit display of sexual acts or body parts, there is an alarming amount of hidden camera (spy cam) footage or revenge porn (filmed with spy cams) online. Such illicit footage is often shot discreetly without the consent of the participants with smartphones or cameras, and are distributed without their knowledge. The problem has been aggravated over the years by the availability and accessibility of miniature cameras that come in all shapes and sizes. The proliferation of spy cam footage and revenge porn has always been an issue. In 2004, the government advised all cellular phone manufacturers to disable the muting of the shutter sound for camera phones in order to prevent inappropriate pictures being taken in crowded public places. However, around 2010, spy cameras became easily available for average citizens thanks to the advancement of technology. According to a miniature camera dealer in Yongsan, cameras in the form of smartphone cases, business card wallets, car keys, water bottles, and lighters are popular. There are even miniature cameras with night vision so one can film in the dark without being caught. Such cameras cost from around 100k won to 250k won, and one can film for about 3.5 hours max. (Photo courtesy of Yonhap News) According to statistics provided by the Korean National Police Agency, the number of crimes involving illegal photography and clips have increased sevenfold over the past few years, from 1,134 (2010) to 7,623 (2015), consisting of 84 percent women and 2.3 percent men. In 2018, 1,288 suspects in hidden-camera cases caught in January through mid-May were nearly all men. Such data naturally drives women to pick up defensive habits to protect themselves from sexual predators, such as scanning the corners of public bathrooms, and checking holes and nails in unusual spots. Of course, the issue does not solely target women, as men are also victimized at times as seen in the cases of Sogang University, Korea University, Sungkyunkwan University, and Hanyang University (ERICA campus), where males using restrooms also fell victims to hidden cameras. Starting from May 17th, 100days of concentrated crack down on female-targeted sexual crimes began, while the police partnered with universities such as the Hanyang ERICA Campus, for hidden camera inspections of campus bathrooms. (Photo courtesy of kpilbo.com) The fear does not just come from becoming a victim, but that the footage taken in all kinds of places may be shared on social media. Such footage is so difficult to take down, that out of 15,000 removal requests the Korea communications commission received over the past three years, only 3.7 percent (570) were erased. For some victims, they end up in prostitution after losing their jobs and social status, forced to spend about three million won each month to keep the contents off the internet. It seems that the aggravation of the issue has three main causes. First, the problem is that spycam or revenge porn is seen as just another genre of porn catering to different tastes, instead of as a criminal violation of women’s privacy. Supply and demand always have a correlation, and to prevent this, thorough sexual education on these subjects is definitely needed. Second, there needs to be a more specified legal definition of obscenity, allowing a stronger crackdown on, enforcement of, and punishment for these types of crimes. Lastly, awareness needs to be raised in order to prevent unhelpful police officers who fail to suffice the victims’ needs. Thankfully, legilation that would force perpetrators to pay for all the costs of deleting the footage they had spread, among other amendments, are in the process of being implemented in hopes of strengthening the prevention of and the prosecution process of digital sexual crimes. Park Joo-hyun firstname.lastname@example.org
- 2018.06072018 Spring Festival: Enjoyable Festival Without Alcohol, RACHIOS!
Lions, who really know how to relax and have a good time, gathered together for the annual school festival. There was a lot of confusion this year due to the prohibition on selling alcohol, but the festival was a success. The student council said that under the theme of Rachios: Bisang, they showed their desire to offer different types of entertainment. Let's take a glimpse of the day and night of the Seoul Campus Festival, which were a brilliant variety of events and performances by many singers. ▲ One, wo three~! A picture of a student posing for a 'life photo' at the HY-lion exhibition in front of the main building. ▲ The college student game contest finals held by various universities was held at the Seoul campus. The outdoor theater, full of tension, was crowded with spectators. ▲On the 24th of last month, on the night of the first successful day of the festival, the campus was packed with more people. ▲ During the three days of the festival, there were club performances in Hanmadang. This performer is singing a ballad song in a sweet voice that suited the cool weather. ▲ Students are enjoying the cheerleading performance. ▲ Singer Yunha, who visited Seoul campus, had a good time with the students of Hanyang on the 23rd. ▲ Singer 10cm performced in the final concert on the evening of the 23rd . He was touched and his eyes filled with tears by the audience's group singing.
- 2018.0521The Future of Korean Energy Development
As a country with very scarce natural energy resources, Korea depends heavily on foreign oil fields and mines to facilitate domestic energy production. With the recent success of investments in the marine oil fields in Vietnam, the national discussion on the current state of foreign energy projects and a prospective direction for policy improvements has emerged. The reason that the investment in the oil field in Vietnam has been in the spotlight is due to the patience that was required for its success. Having purchased the rights to investigate and draw oil from the area in 1992, a notable victory considering that the competitors were global oil conglomerates, it took a lot long for the mines to actually start generating surpluses. The 1997 financial crisis had taken an especially heavy toll, as the lack of foreign currency led to the disposal of a considerable number of foreign mines. However, some that were retained with great patience are now incredibly profitable. A photo of an oil reserve off the coast of Vietnam (Photo courtesy of Oil & Gas Vietnam) The nature of foreign energy projects requires extreme patience and discretion. Aside from the vast amount of capital necessary for investigations and infrastructure, it takes about 7 to 15 years to see the generation of profit. Furthermore, the odds are against the discovery of oil or gas lines in the first place, leading to an approximately 15 percent chance of successful investment. An example case of failure in foreign energy investment is the purchase of shares in the copper mines of Santo Domingo, Chile. With nearly 500 billion Korean won worth of investments made, the project seems to be doomed without having extracted a single kilo of copper. Among numerous reasons for this devastating failure, the predominant reason concluded by experts is the shortfall of government policies and supervision. A photo of the coppermines in Santo Domingo, Chile (Photo courtesy of Mining Technology) According to experts, the domestic method of assessing performance is errored, as it does not distinguish resources that can or cannot be delivered to the domestic market. Furthermore, the structure of foreign projects leaves the blame of failure on public corporations. There was also a lack of a supervising entities to overlook the projects. Aside from policy errors, there is also a lack of proficient analysis of projects. According to Jung Woo-jin, the former head of the Resource Development Strategy Division of The Korea Energy Economics Institute, there is a dire need to distinguish the causes of foreign project failures from policy failures, corruption, and oil price fluctuations. With the new government claiming to be reforming the energy sector, much discretion is called for in the design and implementation of policies regarding foreign energy projects. Furthermore, aside from the success of resource extractions, the government must also set new standards for the future of energy consumption. With recent research findings that have linked the national level of fine dust to thermal power plants, it is clear that our current method of energy production and consumption is not sustainable. The government is therefore burdened with the task of conducting a great deal of discussion and implementing improvements to ensure the sustainable development of our nation. The levels of fine dust have grown increasingly hazardous in Korea, with many concerns facing the energy sector after the discovery that linked fine dust levels with residue from thermal energy plants (Photo courtesy of Wikipedia).
- 2018.0515[Op-ed] Not a Princess Anymore
On April 2018, the former vice president of Hanjin Group (a South Korean conglomerate), Cho Hyun-min (also known as Emily Cho), was accused of splashing a cup of water on a member of an advertisement agency. As she is the younger sister of Cho Hyun-ah (also known as Heather Cho), infamously known for her "nut rage," the media and the public paid close attention to the issue. People have generally been raging at the Cho family’s attitude of acting as a royal family. This negative sentiment of the public has led to more testimonials, exposure, and proof of the past behaviors of the Cho family. Cho Hyun-ah (Heather) is leaving the court after her second trial. (Photo courtesy of Hankyoreh) The peanut-return On a Korean airplane at John F. Kennedy International Airport heading to Incheon, Heather Cho was on her way back home in a first-class seat. A flight attendant offered her a bag of macadamia nuts as part of the service. She famously became outraged by the fact that the package was given unopened rather than having the nuts opened and served on a plate. Cho then made the flight attendant kneel down and apologize, and she repeatedly struck his knuckles with her tablet PC. She did not stop there and even made the whole plane with more than 200 people aboard return to the airport just to force the flight attendant off the plane. This incident was dubbed as the "peanut-return" or the "nut rage," and became an internationally notorious story. Cho was sentenced to 12 months in prison for obstructing aviation safety, and she resigned her vice chairman position from Hanjin Group. Although she only served three months and returned to management soon, many Korean people still remember the incident as one of the many cases of chaebol , or family-run conglomerates, abusing their power. Commonly referred to as gabjil, it is not surprising anymore if the chairman of a big company yells at his driver for trivial issues or at his children for mocking "commoners" on social media. However, Cho Hyun-ah’s behavior was one of the most extreme cases that Korean people had ever heard of, and that is why people were angry at the whole family when her sister Cho Hyun-min turned out to be treating her underlings with zero respect as well. Cho Hyun-min (Emily) and her short apology on her Facebook wall which says, "I apologize for my foolish behavior." (Photo courtesy of SBS) The water-rage leading up to investigations After the accusation of her throwing a cup of water at a person during a meeting, there was the publication by an insider of recordings of her screaming at her staff. She did not hesitate to shout, scream, or swear, and she seemed to disregard others' ears. “Don’t you know who I am?”, “You are going to go and trash talk behind me, aren't you?”, and “I know people can hear,” are some of her words in the recordings. Most people's common sense informs them that a boss cannot physically or emotionally abuse his or her staff; however, it turned out that it wasseen as okay to do in the Cho family. Emily and Heather’s mother was also charged with physical violence towards Hanjin Group employees. These sets of behaviors made the public as well as the employees outrage. About 400 former and present workers of Korean Air went to the streets of Gwanghwa-mun, demanding the Cho family to step down from management. The pilot labor union also demonstrated with candle lights for the same matter. Several posts petitioned the Blue House to request that the name of Korean Air change, as their behavior is damaging the reputation of Korea as a whole. The one with the most signatures was signed by 5,136 people. A whole episode on the 9th of May's KBS's "In Depth 60 Minutes" was dedicated to the Cho family’s illegal deeds and misbehaviors. The public rage also led to additional testimonies on possible tax evasion by the family. Cho Yang-ho, the chairman, is now accused of evading inheritance tax totaling 5 billion won, and, based on a number of whistle-blowers, there is now an investigation looking into uncovering the illegal smuggling of goods . As the gabjil culture is fairly spread in Korean culture, regardless of the amount of wealth one owns, it seems quite hopeful that people are trying to change such an atmosphere by condemning the arrogant, disrespectful behavior of the chaebol families. We should keep an eye on the issue of Hanjin Group’s heiress issues but also on our everyday lives where gabjil can happen much more often, although on a lighter scale. Kim So-yun email@example.com