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Updated: Jun 28, 2026

Demonstration of Spin-Multiplexed and Direction-Multiplexed All-Dielectric Visible Metaholograms
08:48

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Published on: September 25, 2020

Magnetically levitated metasurface enabling tangible and bidirectional human-machine interaction.

Gooyoon Chung1, Jeongmin Yoo1, Pei Liu2

  • 1Department of Materials Science and Engineering, Kyung Hee University, Yongin 17104, Republic of Korea.

Science Advances
|June 26, 2026
PubMed
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This summary is machine-generated.

Researchers developed a new soft metasurface for intuitive human-machine interaction. This robust, fast-responding surface offers programmable shapes with visual and tactile feedback.

Area of Science:

  • Materials Science
  • Robotics
  • Human-Computer Interaction

Background:

  • Mechanical metasurfaces are crucial for interactive displays and human-machine interfaces.
  • Existing systems often lack robustness, speed, or integrated functionality for seamless human interaction.
  • Developing advanced metasurfaces is key to enhancing interactive technologies.

Purpose of the Study:

  • To create a soft metasurface that is robust, rapidly responsive, and multifunctional for intuitive human interaction.
  • To enable simultaneous visual and tactile feedback through magnetic actuation.
  • To lay the groundwork for next-generation human-machine interaction systems.

Main Methods:

  • Developed a six-by-six array of elastomeric pixels actuated by magnetic forces from an underlying electromagnet array.

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Magnetic Levitation Coupled with Portable Imaging and Analysis for Disease Diagnostics
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Last Updated: Jun 28, 2026

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Published on: September 25, 2020

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07:42

Magnetic Levitation Coupled with Portable Imaging and Analysis for Disease Diagnostics

Published on: February 19, 2017

  • Utilized magnetic forces to modulate surface height up to 8.5 mm, reconstructing over 10^30 discrete surface morphologies.
  • Integrated inertial measurement unit sensors for real-time shape reconstruction and a light-emitting diode array for visual feedback.

    • Main Results:

    • The soft metasurface demonstrates robust and rapid reconfiguration through magnetic actuation.
    • The system provides simultaneous visual and tactile feedback, enabling intuitive user interaction.
    • The compliant design allows for physical interactions like pushing, pulling, and pinching.

    Conclusions:

    • The developed soft metasurface offers a platform for fast, reversible, and intuitive interaction between users and programmable surfaces.
    • This technology advances the capabilities of human-machine interfaces.
    • The research paves the way for future innovations in interactive display and robotics.