Fiber Lasers Mean Ray Guns Are Coming

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A clever configuration of industrial lasers is set to finally make laser weapons practical Illustration: MCKIBILLO aside.inlay.lt.med h4 { color: #03a6e3; text-transform: uppercase; font-size: 16px; line-height: 20px; margin-bottom: 0; padding-bottom: 0; } aside.inlay.lt.med p { font-size: 16px; line-height: 20px; margin-bottom: 0; } a.zoom .magnifier { margin: -92px 6px 0 0…
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Understanding Vector Network Analysis Guide

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In this 62 page understanding guide we will introduce the basic fundamentals of the Vector Network Analyzer (VNA). In this 62 page understanding guide we will introduce the basic fundamentals of the Vector Network Analyzer (VNA). Specific topics covered include phase and amplitude measurements, scattering parameters (S-parameters), and the polar…
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To Illustrate the Dangers of Cyberwarfare, the Army Is Turning to Sci-fi

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Graphic novelettes issued by the U.S. Army Cyber Institute aim to educate soldiers about digital threats Illustration: Matt Haley/Army Cyber Institute Illustration: Matt Haley/Army Cyber Institute Self-Preventing Prophecies: The U.S. Army Cyber Institute’s graphic novels are aimed at making soldiers think about future threats. Photo: Don Hudson and Kinsun Lo/Army Cyber Institute…
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Maine’s New Unemployment System Frustrates the Public and State Workers Alike

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Reusing Mississippi’s system doesn’t guarantee a smooth launch Illustration: iStockphoto/IEEE Spectrum Problems with unemployment insurance IT systems and rollouts are common, as exemplified by the difficulties experienced by Pennsylvania, Florida, and California, to name a few. In an attempt to reduce the frequency and cost of failure, several states, with…
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To Speed Up AI, Mix Memory and Processing

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New computing architectures aim to extend artificial intelligence from the cloud to smartphones Image: Sujan Gonugondla Image: Sujan Gonugondla Tearing Down Walls: This prototype features a new chip design called deep in-⁠memory architecture. If John von Neumann were designing a computer today, there’s no way he would build a thick wall…
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