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Californians Know About Earthquakes, but Tsunamis Are a Different Story

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7 December 2024 at 00:41
By: Heather Knight๏ผŒ Amy Graff and Nicholas Bogel-Burroughs
Northern California cities and residents seemed unsure on Thursday about the best response to an official tsunami warning that went out to five million Californians.

Onlookers watching the ocean from a coastal bluff at Fort Funston in San Francisco after a tsunami warning on Thursday.

The Invisible War in Ukraine Being Fought Over Radio Waves

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19 November 2023 at 05:01
By: Paul Mozur and Aaron Krolik
Using electromagnetic waves to flummox and follow smarter weapons has become a critical part of the cat-and-mouse game between Ukraine and Russia. The United States, China and others have taken note.

A visualization of the rapidly-changing frequencies of the Himera military radio, which features signal-hopping technology that makes it difficult to jam.

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