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8 comments
  • ... isn't that just how radar works? A radio emission is sent out, bounces off an object, and then detectors measure the difference?

    The fact that this works from the sky is definitely new, but I think all radar is light speed by definition.

    • looks like the innovation here is with using ELF spectrum which penetrates seawater

      • I figured something cool was happening to allow them to use radar from the air. So it's not even radar, it's like, ELFdar.

        Really weird they went for the "lightspeed" angle tho

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