Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

To latch onto a deer, ticks must first pierce a thick, furry hide. Leaf-cutter ants easily gnaw through tough tropical leaves. And scorpions use their tails to inject venom into prey several times ...

Abstract: A Huygens’ metasurface with unit cells of glide symmetric I-shape metal strips is proposed for a high-efficiency metalens antenna. The proposed unit cell achieves more than 98.6% ...

PITTSBURGH , Dec. 1, 2025 /PRNewswire/ -- "I wanted to create an improved engine design that would utilize vaporized aluminum and oxygen to generate thrust," said an inventor, from Pollocksville, N.C.

Nov 26 (Reuters) - The U.S. Patent and Trademark Office issued new guidelines on Wednesday outlining when inventions created with the help of artificial intelligence can be patented. USPTO Director ...