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STEMM Global & Engineering Seminars Series (University of Exeter)Recent advances in microrobotics have demonstrated remarkable locomotive capabilities such as hovering flights, impulsive jumps, and fast running in insect-scale robots. However, most microrobots that are powered by power-dense rigid actuators have not achieved insect-like collision resilience. Meanwhile, the agility of most soft-actuated microrobots remains limited compared to that of rigid-actuated robots. In this talk, Prof Kevin Chen will present their recent effort in developing a new class of microrobots \u2013 ones that are powered by high bandwidth soft actuators and equipped with rigid appendages for effective interactions with environments. Their work demonstrates for the first time that soft aerial robots can achieve agile and robust flight capabilities absent in rigid-powered micro-aerial vehicles, thus showing the potential of a new class of hybrid soft-rigid robots.Prof. Chen is currently the D. Reid Weedon, Jr. \u201941 Career Development Assistant Professor at the Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology (MIT)- He received his PhD in Engineering Sciences at Harvard University in 2017 and his bachelor\u2019s degree in Applied and Engineering Physics from Cornell University in 2012. - His work focuses on developing multifunctional and multimodal insect-scale robots. - His research interests also include developing high bandwidth and robust soft actuators for microrobot manipulation and locomotion. - He is a recipient of the best student paper award at the International Conference on Intelligent Robots and Systems (IROS) 2015 and a Harvard Teaching Excellence Award. - He was named to the \u201cForbes 30 Under 30\u201d list in the category of Science.Join us right now on Youtube<\/b>: https:\/\/www.youtube.com\/watch?v=qc1wzprifPQ<\/a><\/div>\n \n <\/i>\n YouTube<\/div>\n \n
Agile and robust micro-aerial-robots powered by soft artificial muscles with Kevin Chen (MIT, USA)<\/div>\n
Engineering Seminar Series (University of Exeter) Agile and robust micro-aerial-robots powered by soft artificial musclesRecent advances in microrobotics have demonstrated remarkable locomotive capabilities such as hovering flights, impulsive jumps, and\u2026<\/div>\n<\/a>\n
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Quantum bits in 2D materials.Researchers at the University of Stuttgart have identified quantum bits in 2D materials. The bits could be robustly generated, read, and controlled opening a route to their exploitation in quantum computers.The results are presented in Nature Materials: https:\/\/www.nature.com\/articles\/s41563-021-00979-4<\/a> #sciencenews<\/a> #quantum<\/a> #2DMaterials<\/a> #Quantum<\/a><\/div>\n \n \n
Nature<\/div>\n <\/i>\n Single-spin resonance in a van der Waals embedded paramagnetic defect<\/div>\n
Nature Materials - The optically detected magnetic resonance of a single defect in hexagonal boron nitride is reported.<\/div>\n<\/a>\n
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Understanding biology with light.A team at Aston University has shown how light can be used to assess structures and changes in biological tissues. By looking at changes in the polarisation of light passing through the tissues, maps can be produced that correlate with the tissue structures.The results can be viewed in Scientific Reports: www.nature.com\/articles\/s41598-021-83017-2<\/a> #sciencenews<\/a> #light<\/a><\/div>\n \n <\/i>\n Nature<\/div>\n \n
Embossed topographic depolarisation maps of biological tissues with different morphological structures<\/div>\n
Scientific Reports - <ArticleTitle Language="En" OutputMedium="All" xml:lang="en">Embossed topographic depolarisation maps of...<\/div>\n<\/a>\n
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Better batteries. Solid-state batteries pack a lot of energy into a small space, but their electrodes are not good at keeping in touch with their electrolytes. University of Illinois researchers demonstrate how controlling the atomic alignment of solid materials can improve the electrolyte interface and stability in solid-state batteries.The results are published in the journal Nature Materials: https:\/\/www.nature.com\/articles\/s41563-021-01016-0<\/a> #sciencenews<\/a> #energy<\/a><\/div>\n \n \n
Nature<\/div>\n <\/i>\n Revealing the role of the cathode\u2013electrolyte interface on solid-state batteries<\/div>\n
Nature Materials - Interfaces play crucial, but still poorly understood, roles in the performance of secondary solid-state batteries. Using crystallographically oriented and highly faceted thick...<\/div>\n<\/a>\n
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The oldest spiral galaxy. Data from the Atacama Large Millimeter Array (ALMA) has shown a galaxy with a spiral morphology formed just 1.4 billion years after the Big Bang - the most ancient of its kind in the known universe. The report is published in Science: https:\/\/science.sciencemag.org\/content\/early\/2021\/05\/19\/science.abe9680<\/a>#sciencenews<\/a> #astronomy<\/a><\/div>\n \n \n
Science<\/div>\n <\/i>\n Spiral morphology in an intensely star-forming disk galaxy more than 12 billion years ago<\/div>\n
The early assembly of galaxies is thought to have produced disturbed and asymmetric objects. Morphological features seen in nearby galaxies, such as stellar disks, bulges, and spiral arms, require time to form and would be disturbed by the frequent galaxy\u2026<\/div>\n<\/a>\n
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Low power microchips.The progress of technology demands ever-faster microchips to be developed. To maintain or improve battery lifetimes of faster devices, the microchips must also be less power-hungry. Brigham Young University researchers have built the world\u2019s most power efficient high speed analogue-to-digital converter.Details of their device can be found in IEEE Journal of Solid-State Circuits: https:\/\/ieeexplore.ieee.org\/document\/9360313<\/a> #sciencenews<\/a> #energy<\/a><\/div>\n \n <\/i>\n ieeexplore.ieee.org<\/div>\n \n
An 8-bit 10-GHz 21-mW Time-Interleaved SAR ADC With Grouped DAC Capacitors and Dual-Path Bootstrapped Switch<\/div>\n
An 8-bit 10-GHz 8 \u00d7 time-interleaved successive-approximation-register (SAR) analog-to-digital converter (ADC) incorporates an aggressively scaled digital-to-analog converter (DAC) with grouped capacitors in a symmetrical structure to afford a threefold reduction\u2026<\/div>\n<\/a>\n
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Quantifying oceanic plastic pollution.Microplastics in the ocean are one of the greatest environmental challenges of our time, but they are hard to both measure and quantify. An intercontinental team has developed a novel method using filter-feeding marine species to extract the tiny particles from seawater for further analysis.Their method is published in Microplastics and Nanoplastics: http:\/\/dx.doi.org\/10.1186\/s43591-021-00005-z<\/a> #sciencenews<\/a> #environment<\/a><\/div>\n \n <\/i>\n SpringerOpen<\/div>\n \n
Detection, counting and characterization of nanoplastics in marine bioindicators: a proof of principle study - Microplastics and\u2026<\/div>\n
Plastic particulates in the environment pose an increasing concern for regulatory bodies due to their potential risk to higher organisms (including humans) as they enter the food chain. Nanoplastics (defined here as smaller than 1 \u03bcm) are particularly challenging\u2026<\/div>\n<\/a>\n
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A new spintronic phenomenon.Researchers at Tohoku University have discovered a new spintronic phenomenon in the form of a persistent rotation of the chiral spin structure. They studied the properties of an antiferromagnetic thin film and found that the chiral spin structure shows rotation even with no applied magnetic field.The phenomenon is described in Nature Materials: http:\/\/dx.doi.org\/10.1038\/s41563-021-01005-3<\/a> #sciencenews<\/a> #physics<\/a><\/div>\n \n <\/i>\n Nature<\/div>\n \n
Chiral-spin rotation of non-collinear antiferromagnet by spin\u2013orbit torque<\/div>\n
Nature Materials - Current-induced rotation in epitaxial films of the non-collinear antiferromagnet Mn3Sn is investigated.<\/div>\n<\/a>\n
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Rotating terahertz polarisation.Rice University physicists have demonstrated the ability of ultrathin, highly-aligned carbon nanotube films to efficiently rotate the polarisation vector of terahertz waves. They suggest that the thin films are ideal for making compact wave plates with reduced dimensions.Learn about their work in Optica: https:\/\/www.osapublishing.org\/optica\/viewmedia.cfm?uri=optica-8-5-760&html=true<\/a> #sciencenews<\/a> #THz<\/a><\/div>\n \n <\/i>\n www.osapublishing.org<\/div>\n \n
Giant terahertz polarization rotation in ultrathin films of aligned carbon nanotubes<\/div>\n
For easy manipulation of polarization states of light for applications in communications, imaging, and information processing, an efficient mechanism is desired for rotating light polarization with a minimum interaction length. Here, we report giant polarization\u2026<\/div>\n<\/a>\n
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Clearing the air.Fossil fuel reliance has pushed air pollution to record levels. Nitrogen oxides are particularly harmful pollutants for human health. Gwangju Institute of Science and Technology researchers hope to reduce pollution by using novel catalysts to selectively convert nitrogen oxides to hydroxylamine which can be further applied as an alternate energy source.The results can be viewed in Nature Communications: https:\/\/www.nature.com\/articles\/s41467-021-22147-7<\/a> #sciencenews<\/a> #environment<\/a> #healthcare<\/a><\/div>\n \n <\/i>\n Nature<\/div>\n \n
Selective electrochemical reduction of nitric oxide to hydroxylamine by atomically dispersed iron catalyst<\/div>\n
Nature Communications - Electrocatalytic conversion of nitrogen oxides to value-added chemicals is a promising strategy for mitigating the imbalance in the global nitrogen cycle. Here, the authors...<\/div>\n<\/a>\n
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Biosensing breast cancer.Researchers at Universitat Polit\u00e8cnica de Valencia have developed a new biosensor device that can help detect breast cancer at its earliest stages. They use a liquid biopsy approach to rapidly, cheaply, and accurately analyse breast cancer biomarkers in blood samples.Their work has been published in ACS Sensors: http:\/\/dx.doi.org\/10.1021\/acssensors.0c02222<\/a> #sciencenews<\/a> #health<\/a> #cancer<\/a><\/div>\n \n \n
ACS Publications<\/div>\n <\/i>\n Nanoporous Anodic Alumina-Based Sensor for miR-99a-5p Detection as an Effective Early Breast Cancer Diagnostic Tool<\/div>\n
Circulating microRNAs have emerged as potential diagnostic biomarkers. The deregulation of the microRNA miR-99a-5p has been previously described as an effective biomarker of early breast cancer. Herein, we present a new nanoporous anodic alumina (NAA)-based\u2026<\/div>\n<\/a>\n
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Today is the International Women in Engineering Day. Before engineering was recognized as a formal profession, women with engineering skills often sought recognition as inventors. During the Islamic Golden Period from the 8th century until the 15th century there were many Muslim women who were inventors and engineers, such as the 10th-century astrolabe maker Al-\u02bbIjliyyah.In the 18th and 19th century, there were few formal training opportunities for women to train as engineers and frequently women were introduced to engineering through family companies or their spouses. Some women did have more formal educations in the late 19th century and early 20th century, normally in mathematics or science subjects.In the early years of the 20th century, greater numbers of women began to be admitted to engineering programs, but they were generally looked upon as anomalies by the men in their departments.Women's roles in the workforce, specifically in engineering fields, changed greatly during the Post\u2013World War II period. The War created a serious shortage of engineering talent, as men were drafted into the armed forces.As women started to marry at later ages, have fewer children, divorce more frequently and stopped depending on male breadwinners for economic support, they started to become even more active in the engineering labor force despite the fact that their salaries were less than men's.During this time, there were few public attacks on female engineers. Chiefly, these attacks were kept quiet inside institutions due to the fact that women did not pressure aggressively to shift the gender gap between men and women in the engineering field. Another reason why these \u201cattacks\u201d were kept private is due to how men believed that it was impossible for engineering to stop being a male-dominated field.Gender stereotypes, low rates of female engineering students, and engineering culture are factors that contribute to the current situation where men are dominated in the engineering field.<\/div>\n\n
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Today is the International Women in Engineering Day. We would like to thank all the brilliant female Engineers for being our mothers, sisters, friends, to work with us and be there for us in need!We wish all the ladies in Engineering to enjoy studying and working the field they have chosen, to achieve tremendous success in education and career, and lots of support from their friends and colleagues.Happy International Women in Engineering Day!<\/div>\n\n
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Deep learning in disease diagnosis.Heart disease and cancer are two of the leading causes of death in the world. A team of engineers from Rensselaer Polytechnic Institute have developed a deep learning algorithm that enables simultaneous dual screening for both cardiovascular disease and lung cancer from a single CT scan.Details of their method have been published in Nature Communication: https:\/\/www.nature.com\/articles\/s41467-021-23235-4<\/a><\/div>\n \n \n
Nature<\/div>\n <\/i>\n Deep learning predicts cardiovascular disease risks from lung cancer screening low dose computed tomography<\/div>\n
Nature Communications - Low dose computed tomography (LDCT) for lung cancer screening offers an opportunity for simultaneous CVD risk estimation in at-risk patients. Here, the authors develop a...<\/div>\n<\/a>\n
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How can you succeed as a Mother in STEMM?Being a Woman in STEMM is a challenge. Being a Mother in STEMM brings even more difficulties. But challenges are meant to be overcome \u2014 motherhood should not be a barrier to success in STEMM.Dr. Yue (Christina) Wang is a RAEng Research Fellow in the Department of Physics at the University of York, and a mother to two children. She discusses<\/a> how she has successfully balanced becoming a mother with her ongoing career in academia, including her experiences of maternity, the systems of support she has found, and what still needs to change to help mothers unleash their full scientific potential.Subscribe STEMM Global Audio Learning Podcast<\/a> and join the STEMM Global Scientific Community<\/a> #podcast<\/a> #womeninstemm<\/a> #mothersinstemm<\/a> #equality<\/a><\/div>\n \n <\/i>\n Audioboom<\/div>\n \n
How can you succeed as a Mother in STEMM?<\/div>\n
An Audioboom post by STEMM Global Audio Learning<\/div>\n<\/a>\n
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Can your smartphone predict the future of wine?Cornell University engineers have teamed up with plant scientists to develop an app that predicts the yield of vineyards earlier in the season and much more cheaply than traditional methods. The computer vision based system is simple to implement and use around the globe.The work has recently been published in Frontiers in Agronomy: http:\/\/dx.doi.org\/10.3389\/fagro.2021.648080<\/a> #sciencenews<\/a> #wine<\/a><\/div>\n \n <\/i>\n Frontiers<\/div>\n \n
Low-Cost, Computer Vision-Based, Prebloom Cluster Count Prediction in Vineyards<\/div>\n
Traditional methods for estimating the number of grape clusters in a vineyard generally involve manually counting the number of clusters per vine in a subset of the vineyard and scaling by the total number of vines; a technique that can be laborious, costly\u2026<\/div>\n<\/a>\n
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Light out of thin air.Carbon dioxide has been converted into light-emitting solid carbon by a team working at the University of Ottawa. They use surface plasmons to template the conversion process, giving spatial control of the carbon emitter deposition. The results are published in Optica: https:\/\/www.osapublishing.org\/optica\/fulltext.cfm?uri=optica-8-5-708&id=451118<\/a> #sciencenews<\/a> #light<\/a><\/div>\n \n <\/i>\n www.osapublishing.org<\/div>\n \n
Reconfigurable carbon quantum emitters from CO<sub>2<\/sub> gas reduced via surface plasmons<\/div>\n
Silver gratings supporting surface plasmons at 532 nm catalyze the formation of light-emitting solid carbon from ${\rm CO}_2$ gas, revealing a low-energy ${\rm CO}_2$ reduction pathway involving hot electrons. Reversibility and spatial control over the formation\u2026<\/div>\n<\/a>\n
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Goodbye to green?Wherever ecologists look, from tropical forests to tundra, ecosystems are being transformed by human land use and climate change. Researchers at the University of Bergen have found fossil evidence that the rate of vegetation change began to accelerate between 4.6 and 2.8 thousand years ago and the acceleration is only increasing.Their analysis is detailed in Science: https:\/\/science.sciencemag.org\/content\/372\/6544\/860<\/a> #sciencenews<\/a> #ecology<\/a><\/div>\n \n \n
Science<\/div>\n <\/i>\n Global acceleration in rates of vegetation change over the past 18,000 years<\/div>\n
Although much is known about the rapid environmental changes that have occurred since the Industrial Revolution, the patterns of change over the preceding millennia have been only patchily understood. Using a global set of >1100 fossil pollen records, Mottl\u2026<\/div>\n<\/a>\n
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A new form of carbon.Researchers at Aalto University have discovered a new carbon network made up of an ordered lattice of squares, hexagons, and octagons. The so-called biphenylene network has metallic properties at sizes where graphene is already a semiconductor.The new material is characterized in Science: https:\/\/science.sciencemag.org\/content\/372\/6544\/852<\/a><\/div>\n \n \n
Science<\/div>\n <\/i>\n Biphenylene network: A nonbenzenoid carbon allotrope<\/div>\n
Although graphene forms two-dimensional carbon sheets, other arrangements of carbon rings could also assemble as flat sheers. Fan et al. synthesized an ultraflat biphenylene carbon sheet consisting of sp2-hybridized carbon atoms forming four-, six-, and eight\u2026<\/div>\n<\/a>\n
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Controlled ionisation.Ionization energy is one of the most important physicochemical parameters. Kazan Federal University physicists have described how the ionisation energy of atoms contained in photonic crystals can be tuned, allowing the synthesis of new compounds to be accessed.The work has recently been published in Physics Letters A: https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S0375960121002711?via%3Dihub<\/a> #sciencenews<\/a> #physics<\/a> #science<\/a><\/div>\n \n <\/i>\n Sciencedirect<\/div>\n \n
Quantum electrodynamics in photonic crystals and controllability of ionization energy of atoms<\/div>\n
The periodic changes in the physical and chemical properties of the chemical elements are caused by the periodic change of the ionization energies, wh\u2026<\/div>\n<\/a>\n
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