" Google, however, ensures its cable is sheathed in a Kevlar-like protective coating to keep the sharks from chomping through the line, Network World reported, quoting Google product manager Dan Belcher from a Google marketing event in Boston last week."
New York, Aug 16 - There is a new threat to Google fibre-optic cables at the ocean floor: Sharks.

The company has invested in two major undersea cables connecting the western US to Asia, and a third cable that extends Google's network within Asia.

Sharks can detect magnetic fields as they have miniature volt sensors in their mouths that they use to detect prey.

Just a little bite is enough to get through the jacket and damage the fibres, Chris Lowe, a professor who runs shark lab at California State University, Long Beach, was quoted as saying.

Google, however, ensures its cable is sheathed in a Kevlar-like protective coating to keep the sharks from chomping through the line, Network World reported, quoting Google product manager Dan Belcher from a Google marketing event in Boston last week.

In the 1980s, a deep-ocean cable was reportedly cut by crocodile sharks four times.


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