[phas-dept] YouTube presentation for colloquium this week

[Heungman Park]

Dear all in Physics and Astronomy,

We will have a YouTube presentation this week.
We do not meet on Thursday.

PHYS- 401 and 501 students must complete an assignment on D2L.



“Magnetic elastomers enabling haptic displays”

https://youtu.be/Fot_8UMN1cQ


MIT.nano Seminar Series: Amal El-Ghazaly

May 24, 2022  Amal El-Ghazaly, Assistant Professor of Electrical & Computer Engineering at Cornell University


ABSTRACT

Magnetism is often overlooked except to show that “opposites attract.” Yet, compared to electric fields, magnetic fields are often capable of greater manipulation of objects both large and small, near and far, visible and invisible. This talk focuses on the development of haptic (tactile) displays using magnetism. First, El-Ghazaly considers what is needed to make a reconfigurable haptic interface, one that gives the user the sensation that they are feeling what they are seeing on a visual display. True 3D fidelity in a tactile display requires extremely flexible materials that can also be programmed real-time to physically illustrate what is visually displayed on the screen. Here, she presents how their magnetic elastomer composites can be used to achieve such fidelity. The research involves two key approaches for developing and enhancing magnetic elastomers for tactile manipulation. The first is the development of ultraflexible, thin-film magnetic elastomer materials formed using nanoscale magnetic particles. The second is the synthesis of very high remanent moment magnetic nanoparticles for inclusion in the elastomer material. With the goal of integrating haptic displays with widespread touch screen technology, this project illustrates the potential impact of magnetism on providing versatility to these ubiquitous systems and ameliorating user interactions with such technologies in the future.



_____________________________________
Heungman Park, Ph.D.
Associate Professor
Department of Physics & Astronomy
Texas A&M University-Commerce
Commerce, TX 75429, USA

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