IF THE UNIVERSE IS EXPANDING at the speed of light, what exists beyond the edge it hasn’t reached yet? During junior high back in China, Reni Cao brought ...

UAV operators destroy up to 70 units of Ukrainian military equipment near Kupyansk Russian troops liberate Bondarnoye community in Donetsk region over past day — top brass The Ukrainian army lost ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Abstract: Recent advances in automation have accelerated the development of autonomous electric vehicles (AEVs), which offer the potential for continuous operation, constrained primarily by the need ...

Abstract: This study addresses the challenge of ensuring safe spacecraft proximity operations, focusing on collision avoidance between a chaser spacecraft and a complex-geometry target spacecraft ...

The mission of Firehouse is to educate and inspire firefighters so that they can protect their communities and keep themselves safe. By providing news, lessons learned, tactical changes and focusing ...

如果使用多进程线程，在模拟时间准确性上会有困难，并且运行程序可能需要等待真实时间。 借助离散事件系统仿真Salabim库 ...