201219 Dust Detection by Antenna Instruments

Title:
Dust Detection by Antenna Instruments

Speaker:
沈明學 (Ming-Hsueh Shen), PhD candidate, University of Colorado Boulder

Time:
12/19 (Sat.) 7 pm PST, 8 pm MST, 9 pm CST, 10 pm EST
12/20 (Sun.) 11 am Taiwan

Keywords:
planetary science, cosmic dust, dust detection, antenna instruments, induced charging

Abstract:
Space missions often carry antenna instruments that are sensitive to dust impacts, however, the understanding of signal generation mechanisms has been lacking. A signal generation model in an analytical form is presented that provides a good agreement with laboratory simulation measurements. The model is based on direct and induced charging of the spacecraft from the collected and escaping fraction of free charges from the impact-generated plasma cloud. A set of laboratory experiments is performed using a 20:1 scaled-down model of the Cassini spacecraft using a dust accelerator facility. The results show that impact plasmas can be modeled as a plume of ions streaming away from the impact location and a cloud of isotropically expanding electrons. The fitting of the model to the collected antenna waveforms provides the key parameters of impact plasma.

201212 Adaptive Radiative Heat Management: A Multispectral Chameleon for Energy and Health

Title:
Adaptive Radiative Heat Management: A Multispectral Chameleon for Energy and Health

Speaker:
徐伯均(Po-Chun Hsu), PhD, Duke University

Time:
12/12 (Sat.) 7 pm PST, 8 pm MST, 9 pm CST, 10 pm EST
12/13 (Sun.) 11 am Taiwan

Keywords:
materials science, photonics and heat transfer, radiative cooling, solar thermal, nanophotonics

Abstract:
The space heating and cooling energy consumption of buildings accounts for about 15% of total energy consumption and 10% of greenhouse gas emissions in the United States. This energy consumption, while enormous, is not surprising because thermal comfort is one of the most fundamental needs for human beings. As global warming and climate change become more serious, it is critical to advance our thermal science and engineering to overcome traditional energy efficiency limits. In this talk, I will introduce recent work in thermal management for energy and health applications, focusing on multispectral photon engineering and heat transfer designs from nano to macroscale.

201205 RF Micro Devices Based on Lithium Niobate Thin Film

Title:
RF Micro Devices Based on Lithium Niobate Thin Film

Speaker:
李銘晃 (Ming-Huang Li), Ph.D., National Tsing Hua University

Time:
12/05 (Sat.) 6 pm PST, 7 pm MST, 8 pm CST, 9 pm EST
12/06 (Sun.) 10 am Taiwan

Keywords:
Engineering, RF-MEMS, piezoelectric device, lithium niobate, plate wave, surface acoustic wave

Abstract:
This talk briefly reviewed the latest progress and development work of lithium niobate (LiNbO3/LN) thin film devices. Theoretical work in 90s has shown that if thin-film lithium niobate can be realized, it can open up new horizons for various plate/Lamb wave modes with high electromechanical coupling and high phase velocity. To elaborate on the potential and performance of LN thin film devices for RF applications, this talk will first discuss the acoustic modes at a device designer’s disposal and their characteristics. Next, several demonstrations for overcoming the challenges in translating LN’s great material properties to working devices will be discussed.

201121 Neutron Irradiation Effect on Tungsten for Nuclear Fusion Reactor

Title:
Neutron Irradiation Effect on Tungsten for Nuclear Fusion Reactor

Speaker:
尹超 (Chao Yin), PhD student, Belgian Nuclear Research Centre (SCK-CEN)

Time:
11/21 (Sat.) 5 pm PST, 6 pm MST, 7 pm CST, 8 pm EST
11/22 (Sun.) 9 am Taiwan

Keywords:
materials science and engineering, nuclear materials, nuclear fusion, tungsten, neutron irradiation

Abstract:
Tungsten is a candidate material for divertor and armor of plasma facing components because of its high melting point, low erosion rate, and other attractive properties. However, during the nuclear phase of ITER and other magnetic confinement fusion devices, fast neutron generated from nuclear fusion reaction will degrade the mechanical properties of tungsten. Moreover, the tungsten divertor will also face the challenge of high heat flux during normal operation. Thus, the investigation on high temperature neutron irradiation effect on tungsten is necessary in order to provide data for the engineering design of the components.

201114 Relaxation Process of Donor Spin Qubits in Silicon

Title:
Relaxation Process of Donor Spin Qubits in Silicon

Speaker:
薛郁齡 (Yu-Ling Hsueh), Ph.D., University of New South Wales

Time:
11/14 (Sat.) 5 pm PST, 6 pm MST, 7 pm CST, 8 pm EST
11/15 (Sun.) 9 am Taiwan

Keywords:
physics, quantum computing, spin-relaxation, semiconductor, spin-orbit, phonon, low-temperature

Abstract:
Understanding and controlling the spin-relaxation mechanism is crucial for realizing a spin-qubit based quantum computer. The spin-lattice relaxation time (T1) is one of the two important timescales of a qubit, and in addition, it can provide valuable information about the qubit and its interaction with the device environment. Here, we investigate the T1 time of electronic spins bound to donors in silicon in a scanning tunneling microscopy (STM) fabricated device. A tight-binding treatment of the electron-phonon problem is being developed. Together with Fermi's Golden rule the T1 time of the system can be obtained with atomic details. This method is extended to treat the multi-electron system, where the electron-electron interaction is captured by atomistic configuration interaction method. We show good agreements between this theory and recent experimental measurements.

201107 Community Detection in Bipartite Networks with Stochastic Blockmodels

Title:
Community Detection in Bipartite Networks with Stochastic Blockmodels

Speaker:
顏子祺 (Tzu-Chi Yen), Graduate student, Department of Computer Science, University of Colorado Boulder

Time:
11/07 (Sat.) 5 pm PST, 6 pm MST, 7 pm CST, 8 pm EST
11/08 (Sun.) 9 am Taiwan

Keywords:
computer science, theoretical computer science, algorithms, statistical physics, Bayesian inference, complex networks, stochastic blockmodel

Abstract:
The stochastic blockmodel (SBM) is a highly flexible generative model for community detection in complex networks. Previous work has introduced a Bayesian nonparametric formulation to find communities that best compress the model and data. However, although this approach applies in principle to the bipartite network, selecting the number of communities becomes computationally prohibitive because the model requires an additional parameter for each type of vertex. In this talk, I will introduce a prior distribution that respects this bipartite structure and a corresponding algorithm to efficiently and parsimoniously choose the number of communities. This bipartite SBM improves community detection results over general SBMs when data are noisy, improves the model resolution limit, and expands our understanding of the complicated optimization landscape associated with community detection tasks. On a related note, I will introduce some endeavors that promote network science in Taiwan and worldwide.

201031 We Want to Go to Space

Title:
We Want to Go to Space

Speaker:
吳宗信 (Jong-Shinn Wu), Distinguished Professor, Department of Mechanical Engineering, National Chiao Tung University

Time:
10/31 (Sat.) 7 pm PDT, 8 pm MDT, 9 pm CDT, 10 pm EDT
11/01 (Sun.) 10 am Taiwan

Keywords:
hybrid rocket technology, plasma physics, parallel computing, hybrid rocket propulsion, avionics, TT&C, light-weight structure, system engineering

  本次演講未提供錄影

Abstract:
In this talk, I will describe why and how ARRC (Advanced Rocket Research Center) of National Chiao Tung University, Taiwan, has been working on prototyping satellite launch vehicle technologies using hybrid rocket propulsion for more than 10 years with very limited resources. In addition, other major technologies associated with advanced rocket development include avionic system, long-distance telecommunication system and light-weight structure design/fabrication will be briefly introduced. These widely disciplinary technologies are synthetically integrated through the exercise of system engineering and realized through the use of modern IT tools. Finally, the roadmap to space is outlined at the end.

201024 Spectroscopic Signatures of Low-dimensional Excitonic Systems

Title:
Spectroscopic Signatures of Low-dimensional Excitonic Systems

Speaker:
莊宸 (Chern Chuang), PhD, University of Toronto

Time:
10/24 (Sat.) 5 pm PDT, 6 pm MDT, 7 pm CDT, 8 pm EDT
10/25 (Sun.) 8 am Taiwan

Keywords:
Chemistry, Theoretical chemistry, Chemical physics, Exciton, 2D Material, Organic Dye Aggregate, Dispersion

Abstract:
Molecular semiconductors are a group of promising materials featuring low manufacturing cost and ease of processing. One of the key strategies in assessing its optoelectronic prospect is the combination of the modularity of constituent molecules and the packing conditions that control the intermolecular interactions. In many cases the latter is challenging to characterize by conventional experimental analytical tools such as x-ray scattering or electron microscopy, leaving optical measurements as the only option. We theoretically establish close links between the packing conditions and its spectroscopic signatures that can be routinely measured in the laboratory. For two-dimensional molecular solids we derive closed-form expressions for the anisotropic dispersion relation in the long wavelength limit using a continuum approximation. This allows us to deduce the E^0.5 scaling of the exciton density of states close to the band edge that leads to robustness of large coherent length against disorder and thermal noise. Analytical expressions predicting (transient) absorption peak splittings are derived that can be useful for inferring structure-function relationship in low-dimensional semiconducting solids.

201017 The 5th C of 21st Century Education -- Computational Thinking

Title:
The 5th C of 21st Century Education -- Computational Thinking

Speaker:
黃竹珍 (Joey Huang), PhD, University of California Irvine

Time:
10/17 (Sat.) 7 pm PDT, 8 pm MDT, 9 pm CDT, 10 pm EDT
10/18 (Sun.) 10 am Taiwan

Keywords:
Learning Sciences, Computational Thinking, Collaboration, Computer Science Education, K-12 Education, Stem Learning, Middle School

Abstract:
The presentation will provide an introduction to computational thinking (CT) and its implementation in K-12 education. Joey will be presenting her work regarding CT and collaboration to discuss the emerging issues of STEM education and the future direction of teaching and learning. The study aims to foreground educators’ understanding of what it means for younger students in the middle school classroom setting to learn CT collaboratively. Additionally, through the understanding of social interactions and structures, the work examined how CT was practiced socially in a middle school setting in order to advance the current CT framework which informs the instructional design and curricular aims in computer science education.

200926 高教怎麼了？台灣高教改革工作者座談會

Title:
高教怎麼了？台灣高教改革工作者座談會

Speaker:
陳曉郁, 國家實驗研究院科技政策研究與資訊中心副研究員、台灣高等教育產業工會會員 /
許瑞福, 台大電信所博士生、前台大研究生協會會長、行政院青年諮詢委員 /
謝睿哲, 立法院教育文化委員會政策助理

Time:
09/26 (Sat.) 7 pm PDT, 8 pm MDT, 9 pm CDT, 10 pm EDT
09/27 (Sun.) 10 am Taiwan

Keywords:
Higher education, 高教科研政策、高教改革、高等人才培育、政治參與

Abstract:
本次演講 project Tyra 邀請到三位致力於台灣高教科研政策之研究、推動、改革的現場工作者，以訪談形式與大家分享他們的工作經驗與觀點。三位講者分別來自行政單位之施政研究團隊、高教科研從業及改革運動、以及立院高教政策擬定與監督團隊。講者將從自身的經驗出發，分享對於高教科研主管機關之人才養成、重點領域策略、高教科研機構與產業的合作整併、從業人員的權益爭取與公民政治參與之看法。預計演講時間為一小時，含聽眾問答互動。

200919 Advances in Electron Energy Loss Spectroscopy: A Synchrotron in Electron Microscope

Title:
Advances in Electron Energy Loss Spectroscopy: A Synchrotron in Electron Microscope

Speaker:
廖堃硯 (Kun-Yen Liao), PhD student, The University of Tokyo

Time:
09/19 (Sat.) 7 pm PDT, 8 pm MDT, 9 pm CDT, 10 pm EDT
09/20 (Sun.) 10 am Taiwan

Keywords:
Materials Science, Electron Microscopy, Materials Characterization, Electron Microscopy, STEM-EELS, Atomic Spectroscopy

Abstract:

Electron energy loss spectroscopy (EELS) in scanning transmission electron microscope (STEM) is a powerful tool for high-resolution chemical analysis. Various information can be obtained from EELS such as valence states and local coordination. Using small incident electron probe, STEM-EELS has the advantage to be recorded in atomic resolution, serving as a complementary tool for X-ray and neutron spectroscopy. In recent years, improvement of electron monochromator has enable nm-scale detection of plasmon and phonon excitation in nanomaterials and interfaces. These advantages have made STEM-EELS a synchrotron-like facility in the microscope.

In the presentation, I will start with the introduction and recent development of modern Cs-corrected electron microscope. Afterward, I will focus on the principle of STEM-EELS working for different energy range. Several examples, including structural, plasmonic and phonon studies, will be introduced. Finally, theoretical calculation of EELS using density functional theory (DFT) and neural network will be shortly explained.

200912 Sweaty Humans in a GCM: When and Where Are the First Unlivable Places on Earth?

Title:
Sweaty Humans in a GCM: When and Where Are the First Unlivable Places on Earth?

Speaker:
盧奕銓 (Yi-Chuan Lu), PhD candidate, UC Berkeley

Time:
09/12 (Sat.) 5 pm PDT, 6 pm MDT, 7 pm CDT, 8 pm EDT
09/13 (Sun.) 8 am Taiwan

Keywords:
Atmospheric Science, Climate Change, GeoHealth, Thermoregulation

Abstract:
We add a prognostic model of several naked, sweat-covered humans to each grid cell of ten different global climate models (GCMs), and we evaluate their core body temperatures every 15 minutes for the entirety of the 21st century in the RCP8.5 scenario. Designed to model the response to extreme heat, this model of human thermoregulation avoids the uncertain empirical relations used in other thermoregulation models, such as the skin blood flow rate and sweat rate. The model is validated against physiological data and its implementation in each GCM is bias-corrected to guarantee a match of historical simulations with ERA-5 reanalysis. Although simple and computationally efficient, the model accounts for longwave and shortwave fluxes, sensible and latent fluxes, body size and albedo, and the level of physical exertion. The resulting data reveal the places that will become uninhabitable by 2100 by different metrics, such as the occurrence of days during which it is lethal to work and/or rest in sun and/or shade.

200822 Regulating American Citizens in China: Revisiting U.S. Extraterritoriality in the Early 20th Century

Title:
Regulating American Citizens in China: Revisiting U.S. Extraterritoriality in the Early 20th Century

Speaker:
朱明希 (Ming-hsi Chu), PhD student, Northwestern University

Time:
08/22 (Sat.) 5 pm PDT, 6 pm MDT, 7 pm CDT, 8 pm EDT
08/23 (Sun.) 8 am Taiwan

Keywords:
history, history of Sino-American relations, history of international law, comparative legal history, extraterritoriality, consular jurisdiction

Abstract:
本次演講探討的是台灣中學教科書的常見名詞：治外法權。長久以來，我國官方皆將之視為晚清簽訂不平等條約的一部分，是中國法律落後的象徵。然而，近來研究者發現，滿清作為一個統治多民族的帝國，本來即採行法律多元主義，不同族群適用不同法律（如蒙古人適用蒙古法），故當西方諸國提出其公民在中國的行為應依其本國法時，中國並未反對。另一方面，對美國而言，管制其公民在中國的行為（例如開設妓院、賭場）成本甚高。如何有效的治理，實為一大問題。本次演講將從美國的檔案出發，重訪治外法權的實際運作，並反思既有的歷史解釋。

200815 2020 project Tyra 會員年度大會 x 工作人員招募

Title:
2020 project Tyra 會員年度大會 x 工作人員招募

Speaker:
洪仕安 (Jason Horng), PhD, University of Michigan

Time:
08/15 (Sat.) 8 am PDT, 9 am MDT, 10 am CDT, 11 am EDT
08/15 (Sat.) 11 pm Taiwan

Keywords:
project Tyra, annual meeting, crew recruitment

Abstract:
感謝一直以來各位會員及聽眾的支持！今年起我們嘗試以年會形式舉辦「年度報告及討論 + 工作人員招募」的線上會議，讓各位能更清楚目前 projetct Tyra 的動向，並一同討論各項議題，甚至進一步參與工作團隊。本次會議內容將包含年度成果報告、會員意見回饋、未來展望及討論、工作人員工作介紹及招募資訊等等。project Tyra 由各位每一次的參與一點一滴建構而成，能走到今天多虧有你們。如果你有任何建議或期許，請別錯過年會，期待週末與各位線上相見！

Join us:
工作人員招募報名連結：
https://forms.gle/veUg9UkMpCrqfrYZ9

報名截止時間：
08/23 (Sun.) 0 am PDT, 1 am MDT, 2 am CDT, 3 am EDT
08/23 (Sun.) 3 pm Taiwan (UCT+8)

Meeting Link:
https://bluejeans.com/165825719
(Meeting ID: 165 825 719)

演講將會使用 BlueJeans。請大家預先到官網 [點這裡] 安裝會議軟體，過程約數分鐘；或直接開啟網頁瀏覽器參與演講，則無須額外安裝 (請在網頁下方點選 “JOIN WITH BROWSER”)。

200808-09 [NATPA x project Tyra] 學術工作職涯發展系列座談會 Academic Job Search Summer Webinar Series (III) - (V)

Title:
學術工作職涯發展系列座談會 Academic Job Search Summer Webinar Series (III) - (V)

Register Here:

• 場次三：生醫工程及醫藥護理學院 (Biotech and Medicine)
  https://bit.ly/natpatyra3rsvp
  
• 場次四：人文社會科學（一）：如何拿到面試入場券（Humanities and Social Sciences）
  https://bit.ly/natpa_p1
  
• 場次五：人文社會科學（二）：如何於面試中出奇制勝 & 技巧協商（Humanities and Social Sciences）
  https://bit.ly/natpa_p2
  

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Series III -
Academic Job Search Webinar: Biotech and Medicine
生醫工程及醫藥護理學院

Slides:
No slides for this session.

Date and Time:
08/08 (Sat.) 6:00 pm PDT, 7:00 pm MDT, 8:00 pm CDT, 9:00 pm EDT
08/09 (Sun.) 9:00 am Taiwan
(duration: 1.5 hours)

Abstract:
In this webinar, we will discuss common academic and industrial job hunting processes and issues in North America (and potentially Taiwan) for Taiwanese who hold PhDs. The panelists will share their experiences and thoughts in choosing between academia or industry, positions abroad or in Taiwan, teaching- or research-focused tracks, as well as skills in general job application preparation, interview, and a 20-minute extra QA session.

Session host:
Yen-Yung Chang, Caltech

Panelist (in alphabetical order):

• 陳維悌 Wei-Ti Chen, PhD
  Associate Professor
  School of Nursing, University of California, Los Angeles
  

• 吳子青 Tzu-Ching Wu, PhD
  Image Processing Engineer
  Sartorius Stedim Biotech
  

• 黃彥銘 Yen-Ming Huang, PhD
  Assistant Professor
  Department of Allied and Population Health
  South Dakota State University
  

• 儲立方 Li-Fang "Jack" Chu, PhD
  Assistant Professor
  University of Calgary
  

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Series IV -
Academic Job Search Webinar: Humanities & Social Sciences (Part 1)
人文社會科學（一）：如何拿到面試入場券

Slides:
https://drive.google.com/file/d/1s2-SZW4BPthgUjrV3xXuegeDqaUq-Iww/view?usp=sharing

Date and Time:
08/08 (Sat.) 9 am PDT, 10 pm MDT, 11 pm CDT, 12 pm EDT
08/09 (Sun.) 0 am Taiwan
(duration: 2 hours)

Abstract:
In this job hunting webinar, the host and panelist will go over the common processes of job hunting in North America and (potentially) other regions. This webinar will include but not limited to the following topics: general logistics, preparation of CV, cover letter, statements, and a 40-minute QA session. The session will be held in Mandarin.

Session host:
Diane Hsieh, UC Irvine
Ting-Lan Ma, Edgewood College

Panelist (in alphabetical order):

• 蔡君宜 Jiun-Yi Tsai, PhD
  Assistant Professor
  Strategic Communication, Northern Arizona University
  

• 王大維 David Ta-Wei Wang, PhD
  Associate Professor and Driehaus Fellow
  School of Accountancy and MIS, DePaul University
  

• 温若含 Laura Wen, PhD
  Assistant Professor
  Department of Asian Studies, Randolph-Macon College
  

• 楊佳蓁 Chia-Chen Yang, PhD
  Assistant Professor
  Educational Psychology, Oklahoma State University
  

• 姚韋如 Andy Yao, PhD
  Assistant Professor
  Department of Kinesiology, San Francisco State University
  

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Series V -
Academic Job Search Webinar: Humanities & Social Sciences (Part 2)
人文社會科學（二）：如何於面試中出奇制勝 & 技巧協商

Slides:
https://drive.google.com/file/d/1NiCM-sCpQ82KJVVZgOcUCkqS7qplCTJf/view?usp=sharing

Date and Time:
08/09 (Sun.) 1 pm PDT, 2 pm MDT, 3 pm CDT, 4 pm EDT
08/10 (Mon.) 4 am Taiwan
(duration: 2 hours)

Abstract:
In this job hunting webinar, the host and panelist will go over the job hunting processes in North America. This webinar will include but not limited to the following topics: phone and campus interview, job talk, teaching demo, negotiation, spousal hire, and a 40-minute QA session. The session will be held in Mandarin

Session host:
Doris Lu, Mira Costa College
Ting-Lan Ma, Edgewood College

Panelist (in alphabetical order):

• 詹勳育 Hsun-Yu Chan, PhD
  Assistant Professor
  Educational and Developmental Psychology
  Texas A&M University-Commerce
  

• 張儀君 I-Chun Catherine Chang, PhD
  ichang@macalester.edu
  Assistant Professor
  Geography-Urban and Economic Geographer
  Macalester College
  

• 陳幼馨 Yu-Hsing Jasmine Chen, PhD
  Assistant Professor
  Chinese, Department of Languages, Philosophy & Communication Studies
  Utah State University
  

• 葉耀元 Yao-Yuan Yeh, PhD
  Associate Professor & Chair
  Department of International Studies and Modern Languages
  University of St. Thomas, Houston, TX
  

• 楊曙銘 Sue-Ming Yang, PhD
  Associate professor
  Department of Criminology, Law and Society
  George Mason University
  

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Keywords:
Academic Job Search, Biotech and Medicine, Humanities and Social Sciences

200801-02 [NATPA x project Tyra] 學術工作職涯發展系列座談會 Academic Job Search Summer Webinar Series (I) & (II)

Title:
學術工作職涯發展系列座談會 Academic Job Search Summer Webinar Series (I) & (II)

Register Here:
(I) 理學院 (Natural Science) - https://bit.ly/natpatyra1
(II) 工學院 (Engineering and Technology) - https://bit.ly/natpatyra2

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Series I -
Academic Job Search Webinar: Natural Science Session

Slides:
https://drive.google.com/file/d/1y5o1WN9dB38yiPqEjERJZfhHhyi-Y7lt/view?usp=sharing

Date and Time:
08/01 (Sat.) 11:00 am PDT, 12:00 pm MDT, 1:00 pm CDT, 2:00 pm EDT
08/02 (Sun.) 2:00 am Taiwan
(duration: 2 hours)

Abstract:
In this job hunting webinar, the host and panelist will go over the common processes in job hunting primarily in North America. The webinar will include but not limited to the following topics: general logistics, preparation of CV, cover letter, and statements, phone and campus interview, job talk, negotiation, and a 45-minute QA session. The session will be held in Mandarin.

Session host:
Dr. Yun-Tse Tsai (SLAC)

Panelist (in alphabetical order):

• Mu-Chun Chen, PhD
  Professor, Department of Physics
  University of California, Irvine
  

• Tai-Yen Chen, PhD
  Assistant Professor, Department of Chemistry
  University of Houston
  

• Ching-Yu Huang, PhD
  Assistant Professor, Department of Biology
  Virginia Commonwealth University
  

• Simon Liu, PhD
  Associate Administrator
  Agricultural Research Service
  

• Mao-Lun Weng, PhD
  Assistant Professor, Department of Biology
  Westfield State University
  

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Series II -
Academic Job Search Webinar: Technology & Engineering

Slides:
No slides for this session.

Date and Time:
08/02 (Sun.) 11:30 am PDT, 12:30 pm MDT, 1:30 pm CDT, 2:30 pm EDT
08/03 (Mon.) 2:30 am Taiwan
(duration: 2 hours)

Abstract:
In this job hunting webinar, the host and panelist will go over the common processes in job hunting in the North America. The webinar will include but not limited to the following topics: general logistics and preparation timeline in both academia and industry, preparation of CV, cover letter, and statements, phone and campus interview, job talk, negotiation, and a 45-minute QA session. The session will be held in Mandarin.

Session host:
Dr. Jason Horng (U of Michigan-Ann Arbor)

Panelist (in alphabetical order):

• Chia-Ming Alex Chang
  Manager of R&D engineering
  Startup
  

• Wan-Ting Grace Chen
  Assistant Professor, Department of Plastics
  Engineering
  University of Massachusetts Lowell
  

• Chien-Ming Huang
  Assistant Professor, Department of
  Computer Science
  Johns Hopkins University
  

• Ting-Wei Lucy Ko
  Research Associate, Bureau of Economic Geology
  University of Texas, Austin
  

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Keywords:
Academic Job Search, Natural Science, Technology & Engineering

200725 Parental Burnout: What Is It, Why Does It Matter, and How Could We Treat It?

Title:
Parental Burnout: What Is It, Why Does It Matter, and How Could We Treat It?

Speaker:
林高賢 (Gao-Xian Lin), PhD student, Université catholique de Louvain (UCLouvain)

Time:
*注意：本週演講時間略有調整
07/25 (Sat.) 6 am PDT, 7 am MDT, 8 am CDT, 9 am EDT
07/25 (Sat.) 3 pm Belgium (UTC+2), 9 pm Taiwan (UTC+8)

Keywords:
Psychology, Developmental Psychology, Health Psychology, Personality and Individual Difference, Parent, Parenting Stress, Burnout, Parental Role

Abstract:
Parenting can be enjoyable. Nevertheless, it may also lead to stress or even end up in parental burnout— a condition characterized by overwhelming exhaustion related to one’s parental role, emotional distancing from one’s children, and a loss of parental fulfillment. Recent decades have seen drastically parenting culture change: the increasing social pressure on parents and the lower respect or appreciation from children have made parenting increasingly challenging. Unsurprisingly then, it is more often than before that parental resources could not balance the demands. When this condition lasts chronically, parental burnout may be developed. Although parental burnout is still an emerging topic in Psychological Science, it has become a focus of systematic study by more than 100 researchers from 45 countries all over the world. Through these burgeoning studies, I would introduce “parental burnout” and focus on the following questions: (1) what is it, (2) why does it matter, and (3) how could we treat it?

200718 Designing Pseudocapacitance for Fast Charging Batteries

Title:
Designing Pseudocapacitance for Fast Charging Batteries

Speaker:
賴俊翰 (Chun-Han (Matt) Lai), PhD, UCLA

Time:
*注意：本週演講時間略有調整
07/18 (Sat.) 9:30 am PDT, 10:30 am MDT, 11:30 am CDT, 12:30 pm EDT
07/19 (Sun.) 00:30 am Taiwan

Keywords:
Materials science, Energy Storage materials, Li-ion storage, Pseudocapacitance, Fast charging materials

Abstract:
隨著再生能源與電動車產業日漸成熟的發展，高功率能源材料的需求也隨之增加。在電動車能源的應用上，由於傳統電池功率上的不足，往往需要搭配超級電容器一起使用，以同時達到啟動與傳動能源供應的需求。反之，超級電容器雖然具有高功率的輸出特性，但材料本身能源密度過低以及自放電的缺點，導致必須搭配傳統電池才得以有效率的儲存再生能源。擬電容材料具有和傳統電池材料相當的能量密度，同時也可提供超級電容器相當的高功率輸出，因此在近年來備受關注。在這次的報告中，我們將討論如何藉由電極材料的設計來達到擬電容的特性，藉此提高材料在高功率使用下的實用性及穩定性。我們首先以五氧化二鈮為主題，探討此材料在不同碳材成分整合上的擬電容特性。此研究中我們最佳化了碳基五氧化二鈮複合材料的儲能特性，並在功率輸出及能量密度間找到最佳的平衡。接著我們也以氟磷酸釩鈉為主題，探討其顆粒大小對擬電容特性及儲能功率的影響，然後搭配五氧化二鈮進行全電池的測試，並證明此材料應用於植入式醫療器材電池的可行性。

200711 Stick Things Together: Brief Introduction of Solid-State Bonding of Dissimilar Metals

Title:
Stick Things Together: Brief Introduction of Solid-State Bonding of Dissimilar Metals

Speaker:
林哲宇 (Jhe-Yu Lin), PhD, National Institute for Materials Science (NIMS)

Time:
*注意：本週演講時間略有調整
07/11 (Sat.) 1 am PDT, 2 am MDT, 3 am CDT, 4 am EDT
07/11 (Sat.) 4 pm Taiwan (UTC+8), 5pm Japan (UCT+9)

Keywords:
Materials engineering, Metal processing, Ultrasonic welding, Solid-state bonding, Dissimilar metal bonding, Interfacial reaction

Abstract:
In this talk, the background of solid-state bonding techniques will be firstly introduced, such as diffusion bonding, friction welding and so on. Among of them, ultrasonic welding (USW) is a bonding technique having versatility of bonding dissimilar materials with short welding time and lower bonding temperature. Regarding interfacial phenomena during USW, plastic deformation, recrystallization, and the formation of IMC due to frictional heat and direct contact have been investigated, but the understandings of those interfacial phenomena correlated to bonding strength evolution are still limited, which are highly relevant to the practical use of USW. This talk will focus on explaining the relationship between bonding development and bonding strength evolution in joining steel and other metals using USW. For this purpose, several kinds of metals (Ni, Al, Ti) with various conditions are employed to be joined with steel. Interfacial phenomena occurred between dissimilar metals are correlated with bonding strength evolution from the early stage to the achievement of bonding, including severe plastic deformation, material transfer, phase transformation. The understandings obtained from this work provide a further viewpoint on joining dissimilar metals by using solid-state bonding.

200613 Recent Progress in Surface Plasmon Polariton Nanolasers

Title:
Recent Progress in Surface Plasmon Polariton Nanolasers

Speaker:
周昱薰 (Timothy Chou), PhD, National Cheng Kung University

Time:
06/13 (Sat.) 7:30 pm PDT, 8:30 pm MDT, 9:30 pm CDT, 10:30 pm EDT
06/14 (Sun.) 10:30 am Taiwan

Keywords:
Physics, Semiconductor laser, Nanolaser, Surface plasmon, Polariton, Semiconductor

Abstract:
The use of small lasers with low energy consumption for the realization of high-density integrated optoelectronic integrated circuits has attracted increasing interest in recent years. Although current semiconductor device manufacturing technology enables the development of semiconductor lasers, these laser devices are still restricted by the optical diffraction limit and cannot be further shrunk to nanoscale. In order to solve the problem, scientists proposed the concept of using surface plasmon to miniaturize the volume of the laser. This talk will focus on the recent progress of the surface plasmon polariton nanolaser's development.

200606 在具有重調延遲的頻寬可變網路中考慮守恆性的流量工程

Title:
在具有重調延遲的頻寬可變網路中考慮守恆性的流量工程

Speaker:
曾士豪 (Shih-Hao Tseng), PhD, Caltech

Time:
06/06 (Sat.) 6 pm PDT, 7 pm MDT, 8 pm CDT, 9 pm EDT
06/07 (Sun.) 9 am Taiwan

Keywords:
電機與電腦工程 (Electrical and Computer Engineering),
電腦網路 (Computer Networking),
守恆性 (Perseverance), 頻寬可變網路 (Rate-Adaptive Networks), 重調延遲 (Reconfiguration Delay), 光通訊網路 (Optical Networks), 廣域網路 (Wide-Area Networks)

Abstract:
廣域網路由許多昂貴的光纖相連，而目前光纖運作都較保守。新的研究顯示可以依據訊號品質動態調整光纖來提升頻寬，但重新調整光纖時將使得光纖無法使用而喪失頻寬。目前的提案是一次調整整個網路，並盡可能減少調整期間的頻寬損失 (churn)，這種作法將嚴重影響網路流量。此研究提出將調整方案分為多個步驟進行，且加上守恆性的限制，以避免流量損失。實驗結果顯示新方案仍提升了 40 - 50% 頻寬，同時相對於現有方案也降低了對網路流量的干擾達 40 - 50%。

200530 The Footprint of Pain: Investigating Persistence of Altered Trunk Control in Recurrent Low Back Pain

Title:
The Footprint of Pain: Investigating Persistence of Altered Trunk Control in Recurrent Low Back Pain

Speaker:
施海容 (Hai-Jung Steffi Shih), PhD, University of Southern California

Time:
05/30 (Sat.) 7 pm PDT, 8 pm MDT, 9 pm CDT, 10 pm EDT
05/31 (Sun.) 10 am Taiwan

Keywords:
Physical therapy, Kinesiology, Biomechanics, Neuroscience, Low back pain, Trunk control, Dual-task, Gait

Abstract:
下背痛是現今全球最盛行的肌肉骨骼疼痛，且復發率極高。疼痛與失能明顯衝擊生活品質，且伴隨十分可觀的醫療及經濟成本。大部分下背痛沒有明顯結構上的病理現象，卻可能與錯誤的神經動作機制有關。已知動作系統會因疼痛產生適應現象，進而改變動作模式以起到保護的作用。這些動作上的改變可在短期內降低疼痛，但若持續到下背痛復原後卻沒有回復原本的動作模式，長期下來可能有負面作用。此短講將介紹人體對於下背痛產生的動作適應，並討論潛在的不良適應反應。

200516 無意識的視覺訊息處理：從感光細胞到語言

Title:
無意識的視覺訊息處理：從感光細胞到語言

Speaker:
洪紹閔 (Shao-Min Sean Hung), PhD, Caltech

Time:
05/16 (Sat.) 6 pm PDT, 7 pm MDT, 8 pm CDT, 9 pm EDT
05/17 (Sun.) 9 am Taiwan

Keywords:
Psychology, Neuroscience, Consciousness, Attention, Brain imaging

Abstract:
Whether high-level visual information can be processed unconsciously remains controversial, here we propose that the need of attention in such processes could play a key role. In this talk, I will first establish that high-level linguistic information can be processed unconsciously. The results challenge the current accounts of unconscious processing and lead to a deeper examination of the automaticity of unconscious processing. In the second half of the talk, I will turn to the other extreme of human visual perception: photoreception. An fMRI experiment targeting a class of ganglion photoreceptors dedicated largely to non-visual processing reveals a pathway to study the neural correlates of unconscious processing. Tackling these issues paves the way for better understanding of unconscious processing and potentially leads to a re-examination of the functions of consciousness.

200509 The Ultimate Challenges of Antenna Miniaturization

Title:
The Ultimate Challenges of Antenna Miniaturization

Speaker:
許瑞福 (Rui-Fu Xu), PhD studnet, National Taiwan University

Time:
05/09 (Sat.) 7 pm PDT, 8 pm MDT, 9 pm CDT, 10 pm EDT
05/10 (Sun.) 10 am Taiwan

Keywords:
Communication engineering, Antenna design, Antenna miniaturization, RF MEMS, Multiferroic material

Abstract:
In order to achieve antenna miniaturization without compromising on the bandwidth and efficiency, there are many approaches proposed before. However, they are all facing severe problems while doing a trade-off due to the Chu’s limit. By using innovative multiferroic material , it's expected to conquer the inapproachable problem of antenna miniaturization before, hoping to facilitate fundamental breakthrough on antenna technology.

200502 Applied NLP to Understand Creativity: Take Twitter and Kickstarter for Example

Title:
Applied NLP to Understand Creativity: Take Twitter and Kickstarter for Example

Speaker:
杜宥霖 (Mark Du), Research Assistant, National Taiwan University

Time:
05/02 (Sat.) 6:30 pm PDT, 7:30 pm MDT, 8:30 pm CDT, 9:30 pm EDT
05/03 (Sun.) 9:30 am Taiwan

Keywords:
Psychology, Creativity, Personality, Decision making, Risk evaluation, Consumer behavior, Natural language processing

Abstract:
本研究試圖以資料探勘的方式，分析社群網路以及群眾募資網站的語言，並且使用自然語言理解的工具去作分析。首先得出一個原始的數據，然後應用心理學的領域知識，對電腦軟體去做「逆向工程」，藉由理解電腦程式的運作原理，去類推人類的心智隱藏的運作模式，最後用數學原理，提出一個資料科學的理論，並且最後解釋一些行為經濟學的理論與現象。

200425 ANNOgesic: The Swiss Army Knife for RNA-Seq Based Annotation of Bacterial/Archaeal Genomes

Title:
ANNOgesic: The Swiss Army Knife for RNA-Seq Based Annotation of Bacterial/Archaeal Genomes

Speaker:
于松桓 (Sung-Huan Yu), PhD, Max Planck Institute of Biochemistry

Time:
04/25 (Sat.) 1 pm PDT, 2 pm MDT, 3 pm CDT, 4 pm EDT
04/26 (Sun.) 4 am Taiwan

Keywords:
Biology, Informatics, Bioinformatics, Microbiology, RNA-Seq, Genome annotation, Non-coding RNA, Machine learning

Abstract:
To understand the gene regulation of an organism of interest, a comprehensive genome annotation is essential. While some features, such as coding sequences, can be computationally predicted with high accuracy based purely on the genomic sequence, others, such as promoter elements or noncoding RNAs, are harder to detect. RNA sequencing (RNA-seq) has proven to be an efficient method to identify these genomic features and to improve genome annotations. However, processing and integrating RNA-seq data in order to generate high-resolution annotations is challenging, time consuming, and requires numerous steps. We have constructed a powerful and modular tool called ANNOgesic that provides the required analyses and simplifies RNA-seq-based bacterial and archaeal genome annotation. It can integrate data from conventional RNA-seq and differential RNA-seq and predicts and annotates numerous features, including small noncoding RNAs, with high precision. The software is available under an open source license (ISCL) at https://pypi.org/project/ANNOgesic/.

200418 Using Perceptual Tomography in Network Construction and Assessing Network Interventions

Title:
Using Perceptual Tomography in Network Construction and Assessing Network Interventions

Speaker:
李宣緯 (Hsuan-Wei Wayne Lee), PhD, Academia Sinica

Time:
04/18 (Sat.) 7 pm PDT, 8 pm MDT, 9 pm CDT, 10 pm EDT
04/19 (Sun.) 10 am Taiwan

Keywords:
Sociology, Social networks, Computational sociology, Network construction, Signed network, Network intervention

Abstract:
There are two main parts of this talk. In the first part, we introduce a new method for acquiring and interpreting data on cognitive (or perceptual) networks. We refer to the method as perceptual tomography, it aggregates multiple 3rd-party data on the perceived presence or absence of individual properties and pairwise relationships. Key features of the method include its low respondent burden, flexible interpretation, as well as its ability to find robust intransitive ties in the form of perceived non-edges. In the second part, a new prevention evaluation method is presented to disentangle the social influences assumed to influence prevention effects within communities. We formally introduce the method and its utility for a suicide prevention program implemented in several Alaska Native villages. The results show promise to explore eight sociological measures of intervention effects in the face of social diffusion, social reinforcement, and direct treatment. Policy and research implications are discussed.

200411 Single-Photon Emission From Single-Electron Transport in a Saw-Driven Lateral Light-Emitting Diode

Title:
Single-Photon Emission From Single-Electron Transport in a Saw-Driven Lateral Light-Emitting Diode

Speaker:
蕭子綱 (Tzu-Kan Hsiao), PhD, Delft University of Technology

Time:
04/11 (Sat.) 11 am PDT, 12 pm MDT, 1 pm CDT, 2 pm EDT
04/12 (Sun.) 2 am Taiwan

Keywords:
Physics, Quantum information, Quantum communication, Semiconductor physics, Surface acoustic wave

Abstract:
The long-distance quantum transfer between electron-spin qubits in semiconductors is important for realising large-scale quantum computing circuits. Electron-spin to photon-polarisation conversion is a promising technology for achieving free-space or fibre-coupled quantum transfer. In this work, using only regular lithography techniques on a conventional 15 nm GaAs quantum well, we demonstrate acoustically-driven generation of single photons from single electrons, without the need for a self-assembled quantum dot. In this device, a single electron is carried in a potential minimum of a surface acoustic wave (SAW) and is transported to a region of holes to form an exciton. The exciton then decays and creates a single optical photon within 100 ps. Our work marks the first step towards electron-to-photon (spin-to-polarisation) qubit conversion for scalable quantum computing architectures.

200328 Identifying Potential Therapeutics for Modulating Neutrophil Inflammation

Title:
Identifying Potential Therapeutics for Modulating Neutrophil Inflammation

Speaker:
許翊輝 (Alan Y. Hsu), PhD student, Purdue University

Time:
03/28 (Sat.) 3 pm PDT, 4 pm MDT, 5 pm CDT, 6 pm EDT
03/29 (Sun.) 6 am Taiwan

Keywords:
Biological sciences, Cell biology/immunology, Neutrophil, Cell migration, Inflammation, MicroRNA, Zebrafish

Abstract:
Neutrophils are the first cells recruited to an immune stimulus stemming from infection or sterile injuries via a mixture of chemoattractant cues. In addition to eliminating pathogens, neutrophils coordinate the overall inflammation by activating and producing inflammatory signals in the tissue while modulating the activation of other immune cells which in some cases leads to adverse tissue damage. Over amplified or chronic neutrophil recruitment directly leads to autoimmune diseases including rheumatic arthritis, diabetes, neurodegenerative diseases, and cancer. Dampening neutrophil recruitment is a strategy to intervene in neutrophil-orchestrated chronic inflammation. Despite intensive research, clinical studies targeting neutrophil migration have been largely unsuccessful, possibly due to the prominent redundancy of adhesion receptors and chemokines. Additional challenges lie in the balance of dampening detrimental inflammation while preserving immunity. We thus performed a neutrophil-specific microRNA (miRNA) overexpression screen in zebrafish and identified 9 miRNAs as potent suppressors of neutrophil migration.

200321 Better Together: Gratitude in Romantic Relationships

Title:
Better Together: Gratitude in Romantic Relationships

Speaker:
張硯評 (Yen-Ping Chang), PhD, Academia Sinica

Time:
03/21 (Sat.) 5:30 pm PDT, 6:30 pm MDT, 7:30 pm CDT, 8:30 pm EDT
03/22 (Sun.) 8:30 am Taiwan

Keywords:
Social psychology, Emotion, Relationship, Gratitude

Abstract:
In this talk, I'll talk about some of the new research findings of ours--including observational and experimental--about the roles of the emotion gratitude for promoting romantic dyadic bonds. As always, gratitude is found to help with relationships. But do come and hear how we dig deeper into the many ways gratitude does the work as well as a newly designed couple intervention of gratitude.

200314 Understanding Lifestyle Factors and Exercise for Children with Attention Deficit Hyperactivity Disorder: Mixed Methods Research

Title:
Understanding Lifestyle Factors and Exercise for Children with Attention Deficit Hyperactivity Disorder: Mixed Methods Research

Speaker:
洪肇基 (George Hong), PhD candidate, RMIT University

Time:
*本週北美地區日光節約時間 (Daylight Saving Time) 開始，請注意時差變化
03/14 (Sat.) 9 pm PDT, 10 pm MDT, 11 pm CDT, 12 am EDT (+1 day)
03/15 (Sun.) 12 pm Taiwan

Keywords:
Psychology, Health Psychology, Exercise Psychology

Abstract:
Daily lifestyle factors such as quality of diet, physical activity, sleep behaviour, and screen time represent surging research interest in understanding and treating childhood ADHD due to the concerning side effects of medication. The present research examines significant factors related to lifestyle and participation in physical activity. In the survey study, parents regarding their children’s sleep, diet, screen time and physical activity variables as a novel attempt to examine potential mediation paths among the lifestyle variables. Constituting a mixed methods approach, interviews studies that explore the preferences and challenges to engaging children with ADHD in physical activity and exercise programs to promote more efficient exercise intervention and treatment programs for ADHD with cross-cultural insights between western (Australia) and eastern (Taiwan) countries.

200307 Exploring Graphene Physics for Optical Sensing

Title:
Exploring Graphene Physics for Optical Sensing

Speaker:
洪仕安 (Jason Horng), PhD, University of Michigan

Time:
03/07 (Sat.) 5 pm PST, 6 pm MST, 7 pm CST, 8 pm EST
03/08 (Sun.) 9 am Taiwan

Keywords:
Physics, Nano-materials, Electro-optics, 2D materials, Optical sensing, Electro-chemistry, Bio-electricity

Abstract:
Since the discovery of graphene, it has drawn significant attention in many different research or application fields due to its extraordinary electrical and optical properties. As a two-dimensional material, both graphene's electrical and optical properties can be dramatically modified due to small perturbations from the surrounding environment. Therefore, graphene has great potential as active medium for versatile and sensitive sensors. Early studies have demonstrated excellent sensitivity of graphene field-effect transistor for gas molecule sensing and action potential detection. As will be shown in this presentation, graphene optical sensor can also be designed to have good sensitivity and enables new possibilities of optical spectroscopic measurement as well as opto-electronic studies. With the versatility of graphene, we show that graphene provides a great platform for electrochemical optical sensing as well as opto-electronic sensor in bio-electric detection.

200208 Psychology and Law: How Science Can Help to Make a Better Legal System

Title:
Psychology and Law: How Science Can Help to Make a Better Legal Systems

Speaker:
蘇怡安 (I-An Su), PhD student, Cornell University

Time:
02/08 (Sat.) 5 pm PST, 6 pm MST, 7 pm CST, 8 pm EST
02/09 (Sun.) 9 am Taiwan

Keywords:
Psychology, Developmental psychology, Forensic psychology, Psychology and law, Child eyewitness memory, Child testimony, Children’s suggestibility, Developmental and forensic psychology

Abstract:
This 45-minute talk will be in three parts. In the first part, the speaker will briefly introduce the field of psychology and law. What are the research topics in this field? Where are resources if you want to know more about forensic psychology? Secondly, the speaker will talk about her current research area, child eyewitness memory, and child testimony. What factors are affecting children’s statements in the courtroom? Whether and how science can help to improve children’s reliability and credibility in legal proceedings? Last but not least, the speaker will share current research from her lab. A 15-minute Q/A and general discussion will be held after the talk.