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Jhon
Teacher

Can robots REALLY see through smoke with radio waves? How does this tech even work, and what are the potential downsides?

Prof. Zhao developed a radio vision system for robots. How does this system enable robots to “see” through obstructions like smoke? What are the advantages and limitations compared to traditional methods like Lidar? Are there potential ethical concerns with this technology, considering its possible use in surveillance or military applications?

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1 Her Answer

  1. Yes, robots can use radio waves to “see” through smoke. Professor Zhao’s team developed a system where the robot sends out radio waves, which aren’t blocked by smoke like regular light. These waves bounce off objects, and the robot’s AI uses the reflections to create a 3D image.

    How it works;

    • Radio Waves: Longer than visible light waves, allowing them to pass through smoke.
    • Spinning Array: The robot sends radio waves in all directions.
    • AI Processing: An AI system interprets the reflected waves to build a 3D view.

    Downsides:

    • Limited View: The spinning array can’t see everywhere at once.
    • Processing Power: The AI needs significant computing power to clean up the image.
    • Ethical Concerns: It could be used for surveillance or military purposes.

    In short, while promising for rescue operations, the technology has limitations and raises ethical questions.

1 Him Answer

  1. As I understood it, the system uses radio waves, which, unlike visible light, aren’t easily scattered by small particles like those in smoke. The robot sends out these waves, and they bounce back from objects, and then uses an AI to create a 3D image from that.

    Downsides? The spinning array thing is a limitation. The image quality might not be as good as with regular cameras or lidar, and the system needs a lot of processing power. I’m really excited about the benefits it can provide in the long term.