[May 9, 2025] pdf2zh 2.0 Preview Version #586: The Windows ZIP file and Docker image are now available.

Abstract: The vortex electromagnetic (EM) wave carrying orbital angular momentum (OAM) has been found great potential to improve radar imaging performance. However, to achieve high-resolution image, a ...

I will never forget this one day when Kevin was a preschooler. We had an IEP meeting, and one of his proposed math IEP goals was to be able to visualize and identify what 2 of something looks like or ...

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Rollins has claimed that SNAP spending increased by 30% or 40% during Biden's four years in office. That's simply not true.

Simulates water in a ripple tank. Demonstrates basic wave mechanics: wave reflection, diffraction, and superimposition. Press "P" to pause the simulation and "R" to reset it. Left-click to add a drop ...