4 ms·

> how is it possible that they are not able to find / detect it ? The ocean is a very large thing, especially when it needs to be searched in three dimensions.

• DuskStar 9y ago
  Even more so when the thing you're searching for is intended to be hard to find.
• icelancer 9y ago
  >>three dimensions This is definitely the big snag people lose themselves on. They are thinking about the search being in two dimensions, like a map. They aren't thinking about lost ships or planes in three dimensions; a formula squared vs. a formula cubed and how much faster the latter gets out of hand.
  • averagewall 9y ago
    But we know it's either on the bottom or the surface right? It needs to use power to balance in the middle somewhere.
    • NikolaeVarius 9y ago
      It doesn't need to use power. Ballast tanks are a thing. But irrelevant to the point. Submarines are designed to be hard to find in an environment which very nature already makes things hard to find due to there being so much "stuff" in the way
      • tbihl 9y ago
        But realistically it's not going to be neutrally bouyant while submerged. Nonetheless, a much harder task than 2-D x2...