Neutron stars are ultra-dense remnants of massive stars that collapsed after supernova explosions and are made up mostly of ...

Abstract: This article investigates the librational motion control problem of the tethered space-tug (TST) system in the process of deorbiting space debris. By analyzing the dynamic equations of the ...

Boxing judges score fights using the 10-point must system. Three ringside judges independently score each round, awarding 10 points to the winner of the ...

Ever wanted to know how engineers made their calculations before digital calculators were on every workbench? [Richard ...

A stunning “ring of fire” eclipse was totally visible to a lucky few in the Southern Hemisphere. Here’s how to see the next one ...

What Chief AI Officers actually do, where they sit in the C-suite, and how to build the credibility and strategic depth to ...

The Sporting News gives you a full explanation of Olympic figure skating and its storied past.

The irregular, swirling motion of fluids we call turbulence can be found everywhere, from stirring in a teacup to currents in ...

Mathematicians finally understand the behavior of an important class of differential equations that describe everything from water pressure to oxygen levels in human tissues.

Abstract: Nonlinear equation systems are ubiquitous in a variety of fields, and how to tackle them has drawn much attention, especially dynamic ones. As a particular class of recurrent neural network, ...

Warning: This graphic requires JavaScript. Please enable JavaScript for the best experience. Imagine you are redesigning your living space. You could hire an interior ...

Radon is a toxic, odorless gas that can enter any home with ground contact. A radon mitigation system can remove dangerous levels of the gas from a home's air. Radon exposure is the leading cause of ...