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

Over the past 50 years, geographers have embraced each new technological shift in geographic information systems (GIS)—the ...

In the scorching desert between Egypt and Sudan lies Bir Tawil — one of the strangest places on Earth. It’s a land that exists on every map but belongs to no country, the result of a colonial-era ...

Back in February, the Chicago Bulls shocked the basketball world by announcing they were trading Zach LaVine to the Sacramento Kings. As part of that three-way trade, the Bulls snatched up guard Tre ...

On the one hand, the Bulls gave up a highly effective offensive player. However, on the other hand, they are looking to rebuild with younger players. That is where Jones, 25, entered into the picture.

Abstract: Due to the inherent $\pi $ -phase constraint in phase unwrapping algorithms, the dynamic strain range of phase-sensitive optical time domain reflectometry ($\Phi $ -OTDR) is significantly ...

Construction robots are no longer a far-off idea. They're already changing job sites by tackling repetitive, heavy, and often dangerous tasks. The latest robot comes from Australia, where a ...