Trivia

Hard

Undersea Communication Cables Are Buried To Protect Them From?

Landslides
Crabs
Pistol Shrimp
Sharks
Photo of a Great White Shark taken at Guadalupe Island.
Sharkcrew/Wikimedia

Answer: Sharks

Historically, undersea communication cables were incredibly thick, and thanks to their mass and the amount of steel cabling and insulation wrapped around them, largely impervious to damage. Modern communication cables, however, are much thinner since they are fiber optic instead of copper. Not only does this make them more susceptible to damage, but one particular problem arose shortly after the deployment of the first fiber optic cables: shark attacks.

Why would a shark attack a cable sitting on the bottom of the ocean? Not only do the cables carry light-based data signals, they also carry a companion electrical signal to power the repeaters built into them. The electrical signals attracted sharks, who interpreted the signal as an indication the cables were alive, and sharks would damage the cables in an attempt to eat them. Now, fiber optic cables are laid with a special undersea plow that creates a furrow for the cables and then buries them—safely entombed in the sea bed, the cables are protected from the nips of curious sharks.

Trivia

Hard

A Pen Invented By Thomas Edison Is Still In Use Today For What Purpose?

Trivia

Hard

Which Iconic American Food Was Originally Packaged In Cologne Bottles?

Trivia

Hard

Who Was The Only U.S. President To Hold A Patent?

Trivia

Very Hard

What Was The First Software Easter Egg?

Trivia

Hard

The Medical Term For The Numbness You Experience When A Limb “Falls Asleep” Is?

Trivia

Hard

In Victorian London Residents Enjoyed Up To A Dozen Deliveries Of What Per Day?

Trivia

Hard

Which Entire Family Of Plants, Save For A Sole Exception, Is Only Indigenous To The Americas?

Trivia

Hard

At The Turn Of The 17th Century The Most Popular Drink In Britain Was?

Trivia

Hard

What Distinctly Non-Food Item Do Photographers Use In Cereal Ads?

Trivia

Hard

In Time Travel Stories, Something That Appears In Multiple Times Is Known As A?