Abstract: Direct collocation (DC) is a widely used method for solving dynamic optimization problems (DOPs), but its implementation simplicity and computational efficiency are limited for challenging ...

We installed an attic lift with multiple functions. Canada's Florida boycott 'taking effect' on Donald Trump—Doug Ford Florence Welch opens up about 'terrifying' Eras Tour duet with Taylor Swift This ...

Abstract: We design a Janus full-space metasurface that is capable of manipulating transmitted and reflected beams based on different incident directions. © 2025 The ...

Getting good at LeetCode Java can feel like a puzzle sometimes, right? You see all these problems, and you’re not sure where to even start. This guide is here to break down the common approaches and ...

More F-35s to the Caribbean. An Air National Guard F-35 wing is deploying as part of the Pentagon’s campaign against alleged drug runners off the coast of Latin America. A U.S. official confirmed to ...

Jeff Bezos’ Blue Origin launches its new orbital rocket for the first time with two NASA satellites that will fly to Mars to study the red planet’s atmosphere. Photo: Joe Skipper/Reuters Elon Musk and ...