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Related Concept Videos

Tactile and Chemical Senses01:27

Tactile and Chemical Senses

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Tactile senses encompass touch, temperature, and pain, each mediated by specific receptors. Touch receptors detect mechanical energy or pressure against the skin. Sensory fibers from these receptors enter the spinal cord and relay information to the brain stem. Here, most fibers cross over to the opposite side of the brain. The touch information then moves to the thalamus, which projects a map of the body's surface onto the somatosensory areas of the parietal lobes in the cerebral cortex.
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Related Experiment Video

Updated: Jan 9, 2026

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Insect-inspired micro-optical antenna enables ultrasensitive multisensory perception.

Xitao Tu1, Chen Qian2, Tao Feng2

  • 1State Key Laboratory of Extreme Photonics and Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou 310027, China.

Science Advances
|December 10, 2025
PubMed
Summary
This summary is machine-generated.

Researchers developed a bioinspired micro-optical antenna (MOA) that mimics insect antennae for ultrasensitive tactile, auditory, and olfactory sensing. This technology enables advanced robotic perception and autonomous operation in small robots.

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Area of Science:

  • Robotics and Bio-inspired Engineering
  • Materials Science and Nanotechnology
  • Sensor Technology

Background:

  • Insect antennae possess highly optimized ultrasensitive tactile, auditory, and olfactory senses.
  • Developing micro-sized artificial antennae with multisensory perception for robotic integration is challenging.
  • Current artificial sensing systems often lack the sensitivity, miniaturization, and multi-modal capabilities of biological antennae.

Purpose of the Study:

  • To design and fabricate a bioinspired micro-optical antenna (MOA) that replicates the architecture and functionality of insect antennae.
  • To achieve ultrasensitive, fast-response, and low-power multisensory perception (tactile, auditory, olfactory) using a micro-scale device.
  • To demonstrate the integration of the MOA with robotic systems for enhanced perception and autonomous operation.

Main Methods:

  • Leveraging optical micro/nanofibers (MNFs) encapsulated within a functionalized polymer film to create the MOA.
  • Utilizing the radiation or absorption of MNF-guided light, modulated by external stimuli, for sensing.
  • Developing a lightweight MOA module (~0.1 grams) for seamless mounting on aerial and ground robots.

Main Results:

  • The MOA demonstrated ultrasensitive, fast-response, and low-power tactile, auditory, and olfactory sensing capabilities.
  • The device successfully mimicked the sensing performance of biological antennae at a micro-scale.
  • The MOA module enabled multisensory perception and autonomous navigation when integrated into flapping-wing and insect-like ground robots.

Conclusions:

  • The developed MOA offers a promising bioinspired solution for advanced robotic sensing.
  • This technology paves the way for miniaturized, versatile sensing systems applicable across various technological domains.
  • The MOA's integration with robots highlights its potential for enabling sophisticated autonomous operations.