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Technology Developed to Control Light Scattering Using Holography
Published on May 29th Nature Scientific Reports online
Recently, a popular article demonstrated that an opaque glass becomes transparent as transparent tape is applied to the glass. The scientific principle is that light is less scattered as the rough surface of the opaque glass is filled by transparent tape, thereby making things behind the opaque glass look clearer.
Professor Yong-Keun Park from KAIST’s Department of Physics, in a joint research with MIT Spectroscopy Lab, has developed a technology to easily control light scattering using holography. Their results are published on Nature’s Scientific Reports May 29th online edition.
This technology allows us to see things behind visual obstructions such as cloud and smoke, or even human skin that is highly scattering, optically thick materials. The research team applied the holography technology that records both the direction and intensity of light, and controlled light scattering of obstacles lied between an observer and a target image. The team was able to retrieve the original image by recording the information of scattered light and reflecting the light precisely to the other side.This phenomenon is known as “phase conjugation” in physics. Professor Park’s team applied phase conjugation and digital holography to observe two-dimensional image behind a highly scattering wall. “This technology will be utilized in many fields of physics, optics, nanotechnology, medical science, and even military science,” said Professor Park. “This is different from what is commonly known as penetrating camera or invisible clothes.” He nevertheless drew the line at over-interpreting the technology, “Currently, the significance is on the development of the technology itself that allows us to accurately control the scattering of light."
Figure I. Observed Images
Figure II. Light Scattering Control
2013.07.19 View 9122 -
Joint Research Center on EEWS with Hyundai Heavy Industries Plans to Open
The research center will conduct collaborative R&D projects on energy, environment, water, and sustainability for the next five years.Hyundai Heavy Industries (HHI), the world’s largest shipbuilding company, signed an MOU with KAIST for future business development and joint research collaboration.
KAIST and HHI signed an MOU as an agreement to establish the “HHI-KAIST EEWS Research Center (HK Research Center) on June 21st.”
The major mission of the HK Research Center is to build a strong base for creating future businesses through developing fundamental, core technology in the field of EEWS and designing business models based on the new technology.
Toward this goal, HHI will sponsor the R&D budget and operation expenses of the research center for the next five years.
Prior to the signing of the MOU, a delegation from HHI, led by the Vice President, Mr. Si-Young Hwang, visited the Office of EEWS Initiative at KAIST and held a workshop. During the workshop, HHI and KAIST agreed to collaborate in fields such as LNG-propelled ships, solar power generation, energy storage, fuel cells, and CO2 capture.
KAIST has run a EEWS graduate program that receives government grants over the last five years, with a research emphasis on energy, environment, water, and sustainability, which are crucial issues to humankind in the 21st century. The EEWS program achieved 24 core technological developments and educates more than 200 masters- and PhD-degree students annually.
The EEWS program also emphasizes commercializing its research outcomes. Through the annual Business Planning Competition and Investment Drive, there have been eight new companies founded by alumni and professors over the last five years of the program. The HK Research Center will be an excellent foundation for future education and research in EEWS.
Professor Jae-Kyu Lee, the head of the HK Research Center and the director of the EEWS Initiative, said, “This event is a benchmarking example of Industry-KAIST collaboration. We hope that the HK Research Center will be a place for disruptive innovations to translate into creative business opportunities.”
MOU signed for Hyundai Heavy Industries-KAIST EEWS Research Center
2013.07.15 View 9235 -
Chin-Wan Chung, a professor of computer science, received the best paper award from ACM
The Korea Times reported on July 12, 2013 that Chin-Wan Chung, a professor of computer science at KAIST, won the best paper award by the Association for Computing Machinery (ACM). For the article, please click the link:
http://koreatimes.co.kr/www/news/people/2013/07/178_139132.html
2013.07.15 View 7545 -
Prof. Song Chong received the IEEE William R. Bennett Prize Paper Award
The IEEE (Institute of Electrical and Electronics Engineers) Communications Society (ComSoc), a renowned global network of professionals with a common interest in advancing communications technologies, has announced the winner of the 2013 William R. Bennett Prize in the field of communications networking. The prize was given to a Korean research team led by Song Chong, Professor of Electrical Engineering at KAIST and Injong Rhee, Professor of Computer Science at North Carolina State University. In addition, Dr. Minsu Shin, Dr. Seongik Hong, and Dr. Seong Joon Kim of Samsung Electronics Co., Ltd. as well as Professor Kyunghan Lee from Ulsan National Institute of Science and Technology were recognized for their contribution.
The William R. Bennett Prize for communications networking has been awarded each year since 1994 in recognition of the best paper published in any journal financially sponsored or co-sponsored by ComSoc in the previous three calendar years. Only one paper per year is selected based on its quality, originality, scientific citation index, and peer reviews. Among the previous award winners are Robert Gallager of MIT, and Steven Low of the California Institute of Technology, and Kang G. Shin of the University of Michigan.
The Korean research team’s paper, On the Levy-Walk Nature of Human Mobility, was published in the June 2011 issue of IEEE/ACM Transactions on Networking, a bimonthly journal co-sponsored by the IEEE ComSoc, the IEEE Computer Society, and the Association for Computing Machinery (ACM) with its Special Interest Group on Data Communications (SIGCOMM).
In the paper, the research team proposed a new statistical model to effectively analyze the pattern of individual human mobility in daily life. The team handed out GPS (global positioning system) devices to 100 participants residing in five different university campuses in Korea and the US and collected data on their movements for 226 days. The mobility pattern obtained from the experiment predicted accurately how the participants actually moved around during their routines. Since publication, the paper has been cited by other papers approximately 350 times.
The team’s research results will apply to many fields such as the prevention and control of epidemics, the design of efficient communications networks, and the development of urban and transportation system.
The research team received the award on June 10th at the 2013 IEEE International Conference on Communications (ICC) held in Budapest, Hungary, from June 9-13, 2013.
Professor Song Chong
2013.07.06 View 14218 -
KAIST Placed 3rd in the World's Best 100 Emerging Universities
The Times Higher Education (THE) published its world university rankings on June 20, 2013. It is a list of the best 100 universities whose histories are 50 years old or younger. KAIST was ranked 3rd in the list, two places up from the 5th last year. Forbes and Reuters carried a story on the top ten emerging universities out of the listed 100 institutions, highlighting strong showings in the Asian region. For the articles, please see the attached file (Forbes) or click the link (Reuters) below:
http://www.reuters.com/article/2013/06/19/education-university-rankings-idUSL2N0EU1HZ20130619
2013.06.22 View 7898
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Professor Jay H. Lee to receive the 2013 AIChE CAST Computing in Chemical Engineering Award
Professor Jay H. Lee of Chemical and Biomolecular Engineering Department at KAIST has won the 2013 Computing in Chemical Engineering Award of AIChE"s CAST Division (AIChE, American Institute of Chemical Engineers and CAST, Computing & Systems Technology Division).
The CAST Computing in Chemical Engineering Award, sponsored by The Dow Chemical Company, is annually given to an individual who has made outstanding contributions in the application of computing and systems technology to chemical engineering.Professor Lee has been recognized for his pioneering research contributions for “novel paradigms for much improved and robust model predictive control in industrial processes.” He is currently the Head of Chemical and Biomolecular Engineering Department and Director of Brain Korea (BK) 21 Program at the department. BK21 is the Korean government’s initiative to support the growth of research universities in the nation and foster highly trained master’s and doctoral students as well as researchers.
The CAST Computing in Chemical Engineering Award will be presented to Professor Jay H. Lee at the CAST Division dinner to be held at the AIChE Annual Meeting this November in San Francisco, where he will also deliver the after dinner lecture associated with this award.
2013.06.12 View 10815 -
KAIST Department of Mechanical Engineering Ranked in 19th Place
- Ranked in 19th place in 2013 Quacquarelli Symonds (QS) World University Rankings by Engineering, Mechanical, Aeronautical and Manufacturing Subjects -
KAIST ranked 19th in 2013 QS World University Rankings by Subject in Engineering, Mechanical, Aeronautical and Manufacturing Subjects. This is great progress compared to last year’s 51st-100th rank.
The 2013 QS World University Rankings used four indicators, including academic reputation, employer reputation, citations per paper, and H-index citations, to assess 2,858 universities in the world, and evaluated up to 200th place in 30 academic subjects.
KAIST earned high remarks from the H-index citations indicator, which is a new criteria introduced in the employer reputation rating. Moreover, the employer reputation section has risen sharply compared to the previous year. The H-index measures qualitatively and quantitatively the research outcomes of the researchers and assesses the number of papers written per professor and the average citation frequency of the papers.
The proportions of the indicators differ by subjects. For the mechanical engineering field, they weigh 40%, 30%, 15%, and 15%, respectively.
Rank
Academic
Employer
Citations per paper
H-index Citations
Score
19 (51-100)
68.1 (78.9)
89.1 (60.2)
84.6 (83.1)
93.1 (N/A)
80.4 (74.6)
2013.06.10 View 7928
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KAIST Holds Robot Taekwondo Competition Recognized by the World Taekwondo Federation
KAIST will host the 12th Intelligent System-on-Chip (SoC) Robot War in October 2013, a robot competition. The event will have two entries: robot Taekwondo contest and HURO competition.
The World Taekwondo Federation has decided to offer an honorary Taekwondo degree to the winner of SoC Taekwondo Robot competition.
The Intelligent SoC Robot War was created in 2002 by KAIST’s Professor Hoi-Jun Yoo in the Department of Electrical Engineering.
For SoC Taekwondo Robot event, two robots compete in the form of Taekwondo, traditional Korean martial arts. The robots competing in this event have a camera and semiconductor chips on board, and therefore they have the brain-like functions to identify an object and control movements on their own. The robots have 21 joints with humanoid robot technology on their body for the techniques needed to compete in a typical Taekwondo match. They employ moves such as front kicks, side kicks, and upper punches.
In particular, KAIST’s System Design Innovation & Application Research Center, the organizer of this competition, has operated a team to demonstrate robot Taekwondo since last year with the purpose of displaying the basic movements of Taekwondo.
“Robots received attention as the source of growth in the near future. We have been developing robotics technology, and as part of our endeavor, preparing the Taekwondo demonstration team since 2012 to exhibit Korea’s robot technology and introduce our traditional martial arts,” said Professor Hoi-Jun Yoo. “We will continue to develop various capabilities for Taekwondo robots in cooperation with the World Taekwondo Federation.”
In HURO-Competition, robots compete for crossing the finishing line first by completing various missions, such as putting in a golf ball or overcoming obstacles while avoiding unexpected accidents. The winning team is awarded with a Presidential Award of Korea.
The 12th Intelligent SoC Robot War Competition is open to all graduate or undergraduate students. For details, visit the homepage at http://www.socrobotwar.org/.
2013.05.06 View 11112 -
KAIST hosts 2013 Wearable Computer Contest
2013 Wearable Computer Contest (WCC) will be held in early November. This year’s contest is hosted by KAIST and sponsored by Samsung Electronics.
Wearable computers are drawing attention in the IT world as a potentially convenient information and communication device for future generations, which are attached to clothing or on the body. As smartphones have grown increasingly more popular, various supporting devices are being developed. The IT industry is targeting wearable computers for future development. The main leaders of the field, Samsung, Apple (i-Watch) and Google (Google Glasses) are joining the race for its development.
European and US firms halted their research in wearable computers in the 2000s, but there has been a great burst of interest recently. Korea has been consistently taking on wearable computer research since 2003 and held the Wearable Computer Contest for the last nine years. Since 2005, the contest aims to promote leading edge technological research and Intellectual Property (IP) as well as cultivate a professional workforce in Korea. The contest has promoted world class research in the field of wearable computer technology.
Moreover, KAIST has increased support for its competing teams through Samsung sponsorship and is considering applying the technology from the contest into Samsung products. Winning teams receive 1,500,000 Korean won and Samsung smart IT devices to produce an actual wearable computer. KAIST has increased the number of members who can participate in the competing teams in the finals from 10 to 15 to provide more opportunities to develop wearable computers.
With the theme “Smart IT: Any-information for Anybody,” the 2013 Wearable Computer Contest requires competing teams to suggest an innovative idea which combines IT and fashion for wearable computers. Teams that pass the paper and presentation evaluation go on to the finals, where 15 teams will have four months of production period for the final evaluation in November.
The final teams also receive systematic education on ubiquitous computing, wearable computer platforms, and Human-Computer Interaction (HCI).
The Wearable Computer Contest is holding an ideas contest pitched in a poster format. This contest evaluates proposals for wearable computers, and there is no requirement to enter the rest of the contest. Anyone can compete without having to physically make the product.
More information on the registration and the contest can be found at http://www.ufcom.org/.
2013.04.30 View 8077
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Professor Sang-Ouk Kim Interviewed with Arirang TV on April 15, 2013
Professor Sang-Ouk Kim from the Department of Materials Science and Engineering made an appearance on April 15, 2013 at a morning show called “Korea Today” on Arirang TV, an English-language network based in Seoul, South Korea.
Professor Kim introduced his research on the development of flexible semiconductor technology. If commercialized, Professor Kim added, the technology would expedite the common use of wearable computers including mobile devices as well as the development of bio-medical implanted and wireless telemetry bio-devices. To play the video, please click the link below (00:25:00): http://www.arirang.co.kr/Player/TV_Vod.asp?HL=X&code=VOD&vSeq=68872
2013.04.30 View 9397 -
Distinguished Professor Sang-Yup Lee received 2013 Amgen Biochemical Engineering Award
- Previous award winners are world-renowned scholars of biochemical engineering including James Bailey, Michael Shuler and Daniel Wang
KAIST Chemical and Biomolecular Engineering Department’s Professor Sang-Yup Lee has been selected to receive the 2013 Amgen Biochemical Engineering Award. The award ceremony will take place this June at the International Biochemical and Molecular Engineering conference in Beijing, China.
The Amgen Biochemical Engineering Award was established by Amgen, a world renowned American pharmaceutical company, in 1993. Amgen awards leading biochemical engineers every two years. The first Amgen award recipient was James Bailey of the California Institute of Technology (Caltech) in 1993. Since then leading engineers that are sometimes called “founding fathers of biochemical engineering” have received the award including MIT Professor Daniel Wang and Michael Shuler of Cornell University.
The first nine award winners were Americans and in 2011 Jens Nielson of Chalmers University of Technology, Sweden, received the Amgen award as a non-American. Professor Sang-Yup Lee is the first Asian to receive the award.
The Amgen award panel said, “Professor Lee made an incredible contribution to the fields of synthetic biology and industrial bioengineering by finding chemical material, fuel, protein and drug production and system bioengineering through metabolic engineering of microorganisms.”
Professor Lee is an expert in metabolic engineering of microorganisms and contributed to the development of system metabolic engineering and system bioengineering. Furthermore, he developed various medical and chemical products and processes which were then applied to synthesise strains of succinate, plastics, butanol and nylon.
Professor Lee is a fellow of the Korean Academy of Science and Technology and National Academy Engineering of Korea; an international member of National Academy of Engineering (US); a former fellow of the American Association for the Advancement of Science; a member of the American Institute of Chemical Engineers, the American Industrial Microbiology Society and American Academy of Microbiology. He is currently Head of Global Agenda Council on Biotechnology and is world renowned for his work in biotechnology field.
2013.04.30 View 9220 -
Popular Science May 2013: Online Electric Vehicle (OLEV) Introduced as Part of Smart Roads
Popular Science (PopSci), a famous American monthly magazine publishing popular science articles for general readers on science and technology subjects, introduced KAIST’s Online Electric Vehicle (OLEV) in its latest issue of May 2013. For the article, please see the attachment.
2013.04.25 View 7884