What is it about?
Standard radars can't see around corners, much like our eyes. We built a "smart surface" that acts like a controllable mirror for radar waves. This surface cleverly "tags" the reflections from hidden objects, allowing a normal radar to spot them clearly, as if they were in plain sight.
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Photo by Sandip Kalal on Unsplash
Why is it important?
What's new is that this smart surface works with existing radars without needing any complex, real-time synchronization, making it a practical way to add this "see around corners" capability.
Read the Original
This page is a summary of: Practical Design and Orchestration of Frequency-Shifting RIS for NLoS mmWave Sensing, October 2025, ACM (Association for Computing Machinery),
DOI: 10.1145/3704413.3764440.
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