As a longtime member of the 3D-printing community, I'm alarmed by new legislation targeting the digital files, platforms, and machines that create weapons. It raises a powerful question: Who decides ...

Abstract: In this article, we investigate the optimal control problem for an unknown linear time-invariant system. To solve this problem, a novel composite policy iteration algorithm based on adaptive ...

It’s a Friday afternoon and activity at the Dublin Bus control room is beginning to ramp up – 16 operators are in simultaneous conversations with drivers, watching close to 1,000 buses making their ...

Learning to program in C on an online platform can provide structured learning and a certification to show along with your resume. Learning C can still be useful in 2026, especially if you want to ...

Abstract: To improve the tracking performance of autonomous underwater vehicles (AUVs), a sliding optimal tracking control method for linear continuous systems is proposed with adaptive dynamic ...

Cody Wilson, with Defense Distributed, holds a 3D-printed gun called the Liberator at his shop in Austin, Texas (AP/File Photo) New York law may require 3D printers to block gun production California ...

Since state officials banned the use of pesticides against them in 2018, the shrimp have rebounded. They are native to the mudflats of southwest Washington and are well-adapted. That poses a problem ...