Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.

Abstract: Graph has been proven to be an emerging tool for spectrum sensing (SS), with detection performance closely related to the graph characteristics. Existing graph-based SS has been mainly ...

Congress is killing clean energy tax credits. Here’s how to use them before they disappear. The “one big beautiful bill” that President Donald Trump signed into law in July is set to upend many ...

CAPITOLA, Calif. (KION-TV) -- Capitola is laying the groundwork for future reinforcements to Cliff Drive. They’ve been trying to bolster the bluffs and roadway ever since a trashing during winter ...

Researchers with the Kentucky Geological Survey at the University of Kentucky are hoping to use devices normally meant to monitor earthquake activity to identify when tornadoes touch down. Kentucky ...

The School Board of Alachua County unanimously approved the second reading of several policy amendments on Tuesday, which included discussions on the use of personally owned wireless communication ...

CHICAGO, Illinois (WBBM) — Thieves turned to a high-tech device to steal $25,000 worth of sports cards and memorabilia from a business in west suburban Medinah, Illinois. They broke into the store ...

(CNN) — A federal judge ruled Tuesday that President Donald Trump and Defense Secretary Pete Hegseth violated federal law by using the US military to help carry out law enforcement activities in and ...

Nebraska activists have filed an initiative to legalize marijuana and establish a constitutional right to use cannabis for adult over the age of 21. If organizers collect enough valid signatures from ...