An illustration of how fiber optic cable could be used to measure seismic activity. (Courtesy of Caltech) By Anissa Rivera | [email protected]. UPDATED: August 2, 2023 at 11:32 AM PDT.

Dec. 2, 2024 — Since the first fiber optic cables rolled out in the 1970s, they've become a major part of everything from medical devices to high-speed internet and cable TV. But as it turns out ...

The illustration shows how DAS works. An interrogator (a) sends a laser pulse from a ground station through the fiber optic cable.The cable has defects (b) which underwater sounds slightly ...

DSL, satellite, fiber-optic, and cable are all options for internet and TV service across the country, and keeping track of the differences can be a difficult and involved process.

Compare fiber vs. cable internet in 2025, from speed and pricing to availability and reliability. Find out which option fits ...

That’s pretty decent, but across the Atlantic, researchers at UK’s Aston University recently managed to coax about 1.2 million times that rate using a single fiber optic cable—a new record ...

Ukraine's 63rd Mechanized Brigade shared a video showing an area of the battlefield riddled with the wires from fiber-optic ...

Fiber optic cables could lead to a similar technological leap in cicada chorus study. More deals, reviews, and buying guides. The PopSci team has tested hundreds of products and spent thousands of ...

Vietnam, which depends mostly on undersea cables for Internet connectivity, will install a new terrestrial cable in August.

The Challenges of Fiber Optic Seismic Detection. Turning fiber optic cables into seismic sensors is not straightforward. Unlike conventional seismometers, DAS measures strain along a single axis ...

These fiber-optic cables could also serve as underwater earthquake detectors, researchers report online June 14 in Science. “It’s a very exciting proposition,” says Barbara Romanowicz, ...