In the 21st century, will sailors be replaced by undersea robot warriors? "So we sailed up to the sun Till we found the sea of green And we lived beneath the waves In our yellow submarine." We open ...

We open today's column with this snippet from the Beatles for the simple reason that that's what the media is now calling the U.S. Navy's newest military asset -- the "yellow submarine." Unlike the ...

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Smart. And a little gross. An Italian company has resorted to using remote-controlled toy submarines to run fiberoptic cable through the sewers of Milan. The model of the submarine is apparently the ...