Fueling Innovation
Read the latest stories about how the University of Illinois System is fueling innovation at home in Illinois and beyond.

  • Sunlight polarization patterns may be effective underwater substitute for GPS

    Jul 24, 2023 2:00 pm
    The underwater camera utilized in the study.

    Images

    • The underwater camera utilized in the study.

    The UIUC team's method uses the polarization angle of incoming sunlight, matched with precise time-of-day and geographic coordinates, to find a location on Earth down to almost 1,000 feet underwater.