Learn how to draw Earth in this full version tutorial using a charcoal set combined with soft pastels to create powerful ...

On December 22, President Trump announced a new class of “battleships” that will be 100 times more powerful than previous battleships and larger than any other surface combatant on the oceans. The ...

What if the key to building AI systems that are not only powerful but also trustworthy lies in a set of repeatable design principles? As artificial intelligence continues to shape industries and ...

USVs Ranger and Nomad unmanned vessels underway in the Pacific Ocean near the Channel Islands on July 3, 2021. US Navy Photo The Navy is putting out a call for a new type of unmanned surface vessel ...

Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, People’s Republic of ...

A new study using high-resolution images from NASA's Mars Reconnaissance Orbiter (MRO) has revealed striking surface patterns on Mars that resemble the effects of paint dripping down a wall—a ...

(a) Unit optimization process with a hybrid continuous-discrete PSO algorithm. The particulars of the yellow and green boxes in the optimization are elaborated in (b) and (c), respectively. (b) The ...

Abstract: This article introduces a comprehensive method for designing a decoupling and pattern shaping surface (DPSS) specifically tailored for multiple-input-multiple-output (MIMO) antennas. It ...