Finally - Underwater GPS
Posted: Sat Nov 10, 2018 7:58 pm
For your Christmas tree, a technique for navigation underwater to an accuracy of 61 km.
Prof. Viktor Gruev, Univ of Illinois developed a camera that mimics the eye of the mantis shrimp and uses polarization patterns that correlate with the sun's position. Add time and you have earth coordinates.
Ref: Photonics & Imaging Technology, Nov. 2018, p16.
Prof. Viktor Gruev, Univ of Illinois developed a camera that mimics the eye of the mantis shrimp and uses polarization patterns that correlate with the sun's position. Add time and you have earth coordinates.
Ref: Photonics & Imaging Technology, Nov. 2018, p16.