The relevancy of technology and underwater archaeology

The ability of human beings to work in an underwater environment has obviously improved pretty dramatically in the last few decades, and our ability to find the wrecks of vessels like the Titanic in thousands of feet of water many decades later is pretty amazing when you think about it.

But there is still a long way to go when it comes to underwater searches.  The problems with locating that missing Malaysian Air flight immediately come to mind, but there have been a few other examples lately that make me wonder what the hell we are doing wrong and what we could do to improve.

We seem to have a widespread problem of not finding people in (relatively) shallow waters like lakes, ponds, rivers, and creeks.

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