4 ms·

Also, testicular navigation was a thing. More sensitive current detection...

• quakeguy 10y ago
  I had no clue... http://www.hawaii-nation.org/gis/8-conclusion.html http://www.hawaii-nation.org/gis/8-conclusion.html Thx!
  • tonyarkles 10y ago
    This explains in more detail how it works: https://www.ifa.hawaii.edu/friends/Technology_of_Oceania.pdf https://www.ifa.hawaii.edu/friends/Technology_of_Oceania.pdf