Abstract: Three-dimensional ionospheric tomography is an essential method for understanding spatial variations in electron density and for providing physical interpretations of anomaly evolution.

Abstract: The paper is devoted to the problem of stability analysis for homogeneous systems with sector nonlinearities. Such systems are relevant to a various applications including finite-time ...

Oct 15 (Reuters) - An investor group, which includes BlackRock (BLK.N), opens new tab, Nvidia (NVDA.O), opens new tab, xAI and Microsoft (MSFT.O), opens new tab, will buy Aligned Data Centers from ...

Public companies holding Bitcoin saw a 40% surge in the third quarter. These firms collectively hold over 1.02M BTC, valued at over $117 billion. Experts cite friendly policy and long-term strategy, ...

ANCHORAGE, Alaska (KTUU) - Alaska State Troopers last week expanded their 2019 cold case list from 69 to 116 unsolved murders, according to the Department of Public Safety, which said it restored ...

Security researchers have discovered that as many as half of all geostationary satellites in Earth’s orbit are carrying unencrypted sensitive consumer, corporate, and military information, making this ...

Finnish health tech company Oura has raised $900 million in fresh funding led by Fidelity Management & Research Company, with participation from new investor ICONIQ and contributions from Whale Rock ...

This is read by an automated voice. Please report any issues or inconsistencies here. Gov. Gavin Newsom vetoed a bill that would have tracked data centers’ growing water footprint in California. He ...

What makes a passport “powerful”? Well, a clear measure is travel openness, the ability to slip into destinations around the world with a breezy wave of your passport, no visa required. The Henley ...

The Dodgers hit into one of the most bizarre plays I’ve ever seen in baseball, let alone postseason baseball, in Game 1 of the NLCS. Batting with the bases loaded in the fourth inning, Max Muncy drove ...

Satellites beam data down to the Earth all around us, all the time. So you might expect that those space-based radio communications would be encrypted to prevent any snoop with a satellite dish from ...

Merger creates $600-million-revenue data infrastructure company Fivetran CEO Fraser to lead combined company Deal highlights AI-driven data infrastructure demand Oct 13 (Reuters) - Data startups ...