University Research

Mohammad Anas Wahaj | 25 jan 2017

Team of researchers from Massachusetts Institute of Technology (USA) (Markus Buehler, Zhao Qin, Gang Seob Jung, Min Jeong Kang), has designed one of the strongest lightweight materials known, by compressing and fusing flakes of graphene, a 2-dimensional form of carbon. The new material, a sponge-like configuration with just 5% the density of steel, can have a strength 10 times more. The findings, published in the journal 'Science Advances', show that critical factor of 3-D form is their unusual geometrical figure, suggesting that similar strong, lightweight materials can be made from other materials by creating similar geometric figures. 2-D materials have exceptional strength alongwith unique electrical proberties. But they are extraordinarily thin. Prof. Buehler says, 'They are not very useful for making 3-D materials that could be used in vehicles, buildings, or devices. What we've done is to realize the wish of translating these 2-D materials into 3-D structures.' Prof. Qin adds, 'Once we created these 3-D structures, we wanted to see what's the limit - what's the strongest possible material we can produce.' According to Prof. Buehler, 'You can replace the material itself with anything. The geometry is the dominant factor. It's something that has the potential to transfer to many things.' Prof. Huajian Gao of Brown University comments, 'This is an inspiring study on the mechanics of 3-D graphene assembly. The combination of computational modeling with 3-D-printing-based experiments used in this paper is a powerful new approach in engineering research. It is impressive to see the scaling laws initially derived from nanoscale simulations resurface in macroscale experiments under the help of 3-D printing. This study shows a promising direction of bringing the strength of 2-D materials and the power of material architecture design together.' Read on...

MIT News: Researchers design one of the strongest, lightest materials known
Author: David L. Chandler

Mohammad Anas Wahaj | 17 sep 2016

Researchers from Stanford University [Po-Chun Hsu, Alex Y. Song, Peter B. Catrysse, Chong Liu, Yucan Peng, Jin Xie, Shanhui Fan, Yi Cui] have developed a low-cost, plastic-based textile that, when woven into clothing, has the ability to keep the body cool more efficiently as compared to the natural or synthetic fabrics that are used today. The research was published in journal 'Science' titled, 'Radiative human body cooling by nanoporous polyethylene textile'. According to Prof. Yi Cui of Materials Science and Engineering, 'If you can cool the person rather than the building where they work or live, that will save energy.' The new material cools by letting perspiration evaporate through it, as fabrics normally do. But the other most innovative characteristic of the material's cooling mechanism is that it allows heat that the body emits as infrared radiation to pass through the plastic textile. Prof. Shanhui Fan of Electrical Engineering says, '40-60% of our body heat is dissipated as infrared radiation when we are sitting in an office. But until now there has been little or no research on designing the thermal radiation characteristics of textiles.' Researchers engineered the cooling material by blending nanotechnology photonics and chemistry to give polyethylene, the material used as kitchen wrap, a number of characteristics desirable in clothing material. It allows thermal radiation, air and water vapor to pass right through, and it is opaque to visible light. Prof. Cui says, 'If you want to make a textile, you have to be able to make huge volumes inexpensively.' According to Prof. Fan, 'This research opens up new avenues of inquiry to cool or heat things, passively, without the use of outside energy, by tuning materials to dissipate or trap infrared radiation.' Read on...

Stanford News: Stanford engineers develop a plastic clothing material that cools the skin
Author: Tom Abate

Mohammad Anas Wahaj | 03 sep 2016

Multidisciplinary team of researchers lead by Prof. Amin Salehi-Khojin from University of Illinois at Chicago (UIC) have engineered a process through a solar cell to mimic plants' ability to convert carbon dioxide into fuel, a way to decrease the amounts of harmful gas in the atmosphere and produce clean energy. According to Prof. Salehi-Khojin, 'The artificial leaf essentially recycles carbon dioxide. And it's powered entirely by the sun, mimicking the real photosynthesis process. Real leaves use the energy from the sun and convert carbon dioxide to sugar. In the artificial leaf that we built, we use the sun and we convert CO2 to (synthetic gas), which can be converted to any hydrocarbon, like gasoline.' Describing the process Prof. Salehi-Khojin said, 'The energy of the sun rearranges the chemical bonds of the carbon dioxide. So the sun's energy is being stored in the form of chemical bonds, which can be burned as fuel...Scientists around the world have been studying carbon reduction, as this type of reaction is called, for years.' Prof. Nathan Lewis of California Institute of Technology, who has been studying solar fuels and artificial photosynthesis for more than 40 years, says, 'UIC's development is only a small piece of an eventual solar fuel product that can be widely implemented. There's a lot of steps that need to occur to envision how these things would translate into a commercializable system, but it's a step for building a piece of a full system that may be useful.' Prof. Michael R. Wasielewski of Northwestern University comments, 'UIC's development could push renewable energy technology forward.' The research, 'Nanostructured transition metal dichalcogenide electrocatalysts for CO2 reduction in ionic liquid', was recently published in journal 'Science'. UIC News Center website (news.uic.edu) provides the following information about co-authors and collaborators of this research - Amin Salehi-Khojin, Mohammad Asadi, Kibum Kim, Aditya Venkata Addepalli, Pedram Abbasi, Poya Yasaei, Amirhossein Behranginia, Bijandra Kumar and Jeremiah Abiade of UIC's Mechanical and Industrial Engineering Department, who performed the electrochemical experiments and prepared the catalyst; Robert F. Klie and Patrick Phillips of UIC's Physics Department, who performed electron microscopy and spectroscopy experiments; Larry A. Curtiss, Cong Liu and Peter Zapol of Argonne National Laboratory, who did Density Functional Theory calculations; Richard Haasch of the University of Illinois at Urbana-Champaign, who did ultraviolet photoelectron spectroscopy; José M. Cerrato of the University of New Mexico, who did elemental analysis. Read on...

Chicago Tribune: UIC researchers develop artificial leaf that turns CO2 into fuel
Author: Ally Marotti

Mohammad Anas Wahaj | 12 aug 2016

Team of multidisciplinary researchers from Case Western Reserve University (USA) [Victoria Webster; Roger Quinn; Hillel Chiel; Ozan Akkus; Umut Gurkan; Emma L. Hawley; Jill M. Patel; Katherine J. Chapin], have created a 'biohybrid' robot by combining sea slug materials with 3D printed parts, that can crawl like sea turtle. Scientists suggest that in future, swarms of biohybrid robots could be released for such tasks as locating the source of a toxic leak in a pond that would send animals fleeing. They could also be used to search the ocean floor for a black box flight data recorder, a potentially long process that may leave current robots stilled with dead batteries. According to Ms. Webster, PhD student and lead researcher, 'We're building a living machine - a biohybrid robot that's not completely organic - yet. For the searching tasks, we want the robots to be compliant, to interact with the environment. One of the problems with traditional robotics, especially on the small scale, is that actuators - the units that provide movement - tend to be rigid.' Researchers also explain that if completely organic robots prove workable a swarm released at sea or in a pond or a remote piece of land, won't be much of a worry if they can't be recovered. They're likely to be inexpensive and won't pollute the location with metals and battery chemicals but be eaten or degrade into compost. Read on...

think - CWRU Blog: Researchers build a crawling robot from sea slug parts and a 3-D printed body
Author: Kevin Mayhood

Mohammad Anas Wahaj | 30 may 2016

As the need for intensive and intermediate care increases, the hospitals must have spaces that can fulfil the requirement. The multi-organizational collaborative EVICURES project at Seinäjoki Central Hospital in Finland was undertaken to develop a new design model for future intensive and intermediate care needs. The result of research conducted by VTT Technical Research Centre of Finland on evidence-based design (EBD) and user orientation were applied to design work. Currently, there are no ICUs with single patient rooms in Finland. According to Kari Saarinen, Project Manager of the EVICURES project and Chief Physician at ICU of Hospital District of South Ostrobothnia, 'The international trend is that the need for intermediate care in particular is increasing. More and more demanding methods are being used for treating patients, and the share of elderly patients is increasing.' Regarding the project, he adds, 'The operations will be more cost-efficient and of higher quality, when the equipment and nursing staff are concentrated into one place. We also expect the solution to have remarkable effects on patient healing.' The hospital staff, management, patients and their families, the hospital district, and other cooperation partners participated in the design work. Tiina Yli-Karhu, Design Coordinator at Hospital District of South Ostrobothnia, says, 'A user-oriented approach was an essential foundation for the whole project. This way we can all together make the major change about to happen easier, when the nursing staff is moving from facilities for multiple patients to working alone in single rooms.' Using the Human Thermal Model tool, VTT performed questionnaire studies and measurements to evaluate the individual thermal sensation and comfort of both the staff and patients, that were utilized in HVAC design. Seinäjoki University of Applied Sciences used CAD methods to model a virtual space in accordance with the architectural drawing, which VTT utilised for improving user-friendliness. From this 3D model, VTT developed a Unity3D game for computer and tablet, allowing the staff to move around in the ICU facilities virtually and to experience realistic interactive care situations in the new working area in advance. Finland's first single-patient intensive and intermediate care and cardiac unit designed in accordance with this model will become operational in 2018. Read on...

VTT Research News: A new treatment room design model for future hospitals
Author: Nykänen Esa

Mohammad Anas Wahaj | 29 may 2016

A number of studies have strengthened the common belief that being around trees and close to nature improves one's mental and physical well-being. Research by Prof. Bin Jiang of the University of Illinois at Urbana-Champaign (now at University of Hong Kong) and his team, further emboldens the belief regarding the soothing aspects of green environment on stress levels and blood pressure. The study was undertaken to determine the dose-response curve between tree cover density and stress recovery. It included 158 volunteers in mildly stressful situations. The experiment utilized virtual reality headset to view 360-degree videos of an urban space with varying amounts of tree canopy visible. Results obtained from the tests showed a positive linear association between the density of trees and the self reported recovery from stress. Prof. Jiang comments, 'These finding suggest that viewing a tree canopy in communities can aid stress recovery and that every tree matters.' Researchers found that regardless of age, gender, and baseline stress levels the greater the exposure to trees, the less stress the subject felt. Read on...

Total Landscape Care: University study - Stress falls as exposure to trees increases
Author: Jill Odom

Mohammad Anas Wahaj | 11 may 2016

Online education is continuously evolving and over the years have gone through many iterations. In recent years, MOOCs (Massive Open Online Courses) have been trying to change and tranform online education with active involvement of traditional education providers and their expanded reach to global learners. Although, inspite of their popularity with millions of users, providers are still struggling for success as the learner drop-out rates are high. Instructional designers, faculty members and education providers are experimenting with improvements in learning design environments to provide better value to learners. Prof. Curt Bonk of Indiana University is the author of the book, 'The World is Open', and conducts research in the field of self-directed open learning environments and online motivation. According to him, 'The MOOC is just one idea of many that are causing us to reflect on changes in higher education today. There are a lot of derivatives of MOOCs, and there will continue to be more. Community-building, sharing and peer support are three key aspects of success in building new types of course experiences.' In a video chat hosted by consultant and futurist Bryan Alexander, Prof. Bonk shares his own online learning experiences, his research and explores trends in the design of open courses. He says that in future, the majority of learning is going to be informal and self-directed. But government is still emphasizing on traditional education and less attention is paid to adult learning and informal learning. To better design learning environments it is important to understand self-directed learners and their experiences. According to him, 'Professional development could be what changes the discussion around open education and MOOCs. This could be for doctors, dentists, lawyers and physical therapists. They could take modules in the summer at their own leisure as part of a cohort that does community-building. That is the game changer.' He emphasises on a feedback process, collaborative approach, continous design improvements and redesign, if the need be, for better online course development. Commenting on faculty and their use of technology, he says, 'Instead of focusing on the technologies themselves, focus on what the faculty members want to do to foster feedback, goal setting, relevance or autonomy.' On using videos in learning, he says, 'We are moving from an age of Wikipedia to Videopedia.' Read on...

Campus Technology: The Keys to Designing Successful Open Course Experiences
Author: David Raths

Mohammad Anas Wahaj | 22 apr 2016

To build human-like machines that can demonstrate ingenuity and creativity, the race is on to develop next generation of advanced AI (Artifical Intelligence). AI is already tackling complex tasks like stock market predictions, research synthesis etc, and 'smart manufacturing' is becoming a reality where deep learning is paired with new robotics and digital manufacturing tools. Prof. Hod Lipson, director of Creative Machines Lab at Columbia University, has embarked upon exploring a higher level of AI and develop biology-inspired machines that can evolve, self-model, and self-reflect - where machines will generate new ideas, and then build them. To build self-aware robots is the ultimate goal. Prof. Lipson explains, 'Biology-inspired engineering is about learning from nature, and then using it to try to solve the hardest problems. It happens at all scales. It's not just copying nature at the surface level. It could be copying the learning at a deeper level, such as learning how nature uses materials or learning about the adaptation processes that evolution uses...We are looking at what I think is the ultimate challenge in artificial intelligence and robotics-creating machines that are creative; machines that can invent new things; machines that can come up with new ideas and then make those very things. Creativity is one of these last frontiers of AI. People still think that humans are superior to machines in their ability to create things, and we are looking at that challenge.' He is working on a new AI termed as 'divergent AI', that is exploratory and involves creating many new ideas from original idea, and is different from 'convergent AI' that involves taking data and distilling it into a decision. ON SELF-AWARENESS IN AI: He says, 'Creativity is a big challenge, but even greater than that is self-awareness. For a long time, in robotics and AI, we sometimes called it the "C" word-consciousness.' ON AI IN MANUFACTURING: He comments, 'When it comes to manufacturing, there are two angles. One is the simple automation, where we're seeing robots that can work side-by-side with humans...The other side of manufacturing, which is disrupted by AI, is the side of design. Manufacturing and design always go hand-in-hand...When AI creeps into the design world through these new types of creative AI, you suddenly expand what you can manufacture because the AI on the design side can take advantage of your manufacturing tools in new ways.' ON TWO COMPETING SCHOOLS OF THOUGHTS IN AI: He explains, 'There's the school of thought that is top-down, logic, programming, and search approach, and then there is the machine learning approach. The machine learning approach says, "Forget about programming robots, forget about programming AI, you just make it learn, and it will figure out everything on its own from data"...I think the machine learning approach has played out perfectly, and we're just at the beginning. It's going to accelerate.' Read on...

Singularity Hub: The Last Frontiers of AI - Can Scientists Design Creativity and Self-Awareness?
Author: Alison E. Berman

Mohammad Anas Wahaj | 05 mar 2016

According to American Society of Landscape Architects (ASLA) survey of 803 US-based landscape architects, people are overwhelmingly concerned with water conservation. Some of the highlights of the survey include the following top 5 trends - (1) 88% reported that clients seemed most interested in rainwater or graywater harvesting elements. (2) Native plants. (3) Native or adaptive drought tolerant plants. (4) Low-maintenance landscapes. (5) Permeable landscapes. Nancy Somerville, CEO of ASLA, says, 'It does reflect a much greater awareness from the population as a whole, about critical issues like water conservation and energy efficiency, as well as water efficiency, and stormwater issues.' James Brown, Governor of California, considering the expected 5th consecutive year of drought, in addition to other measures also ordered that 50-million square feet of state-owned lawns be replaced with drought tolerant landscaping. According to Prof. Mitchell Pavao-Zuckerman, Department of Environmental Science and Technology at the University of Maryland, 'People are starting to think about how their house and property fits into the broader urban landscape context, and how they might contribute to more sustainable built environments than we've had in the past.' The survey also observed that the creative shift towards water conservation is already visible. Lush, maximalist gardens and fountains, are being replaced by cool, sculptured minimalism. Prof. Pavao-Zuckerman adds, 'There are non-profits springing up devoted to teaching homeowners how to install water-saving elements themselves.' Read on...

WIRED: Saving Water Is So Hot Right Now in Landscape Design
Author: Margaret Rhodes

Mohammad Anas Wahaj | 29 feb 2016

According to World Health Organization (WHO), air pollution has become the world's biggest environmental risk, linked to over 7 million deaths a year. A global team of scientists (Farid Touati, Claudio Legena, Alessio Galli, Damiano Crescini, Paolo Crescini, Adel Ben Mnaouer) from Canadian University Dubai, Qatar University, and the University of Brescia (Italy), have developed a technology, known as SENNO (Sensor Node), that enables high-efficiency air quality monitoring, to help promote a cleaner environment and reduce the health risks associated with poor atmospheric quality. The technology promises to make air quality monitoring cost-effective. The research paper, 'Environmentally Powered Multiparametric Wireless Sensor Node for Air Quality Diagnostic', was published in Sensors and Materials journal. Prof. Adel Ben Mnaouer of Canadian University Dubai (CUD), says, 'Sensor networks dedicated to atmospheric monitoring can provide an early warning of environmental hazards. However, remote systems need robust and reliable sensor nodes, which require high levels of power efficiency for autonomous, continuous and long-term use...Our technology harvests environmental energy...it optimises energy use by the sensory equipment, so as to function only for the time needed to achieve the operations of sensor warm-up, sampling, data processing and wireless data transmission, thereby creating an air quality monitoring system that measures pollutants in a sustainable and efficient way.' Read on...

The Gulf Today: Dubai professor develops innovation to combat increasing air pollution
Author: NA

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