Browsing: ocean

How does a fibre-optic strand thinner than a spaghetti noodle carry a signal across 13,000 kilometres of ocean without a single electrical amplifier along the way?

Saving Tips August 21, 2026

A signal can cross 13,000 kilometres without an electrical amplifier acting on the data because a chain of erbium-doped fibre…

How does a fibre-optic cable no thicker than a garden hose carry roughly 99 per cent of intercontinental internet traffic across 13,000 kilometres of ocean floor?

Saving Tips August 9, 2026

The answer is that the cable is barely doing the work. The glass inside it is. Every intercontinental fibre carries…

When the SS Great Eastern laid the first working transatlantic telegraph cable in 1866, a message that had taken ten days by steamship suddenly crossed the ocean in minutes, and the financial markets of London and New York were forced, within a single trading week, to invent the modern concept of synchronised global price.

Saving Tips June 8, 2026

On the morning of July 27, 1866, the SS Great Eastern dropped anchor in Heart’s Content, Newfoundland, with 1,686 nautical…

In 1992, a container ship leaving Hong Kong lost 28,800 plastic bath toys overboard in the North Pacific, and oceanographer Curtis Ebbesmeyer spent the next two decades tracking yellow ducks and blue turtles as they washed up in Alaska, Maine, and eventually the coast of Scotland, quietly rewriting the textbook map of ocean currents.

Saving Tips June 1, 2026

On January 10, 1992, a container ship hit a violent storm somewhere near the International Date Line on its way…

Almost all of the world’s internet traffic does not travel by satellite but through fibre-optic cables lying on the ocean floor, a hidden web of wires crossing the deepest parts of the sea to connect the continents.

Saving Tips May 31, 2026

The great majority of data that crosses between continents travels through fibre-optic cables on the seabed, not through satellites. Estimates…