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Textured abstract mandala painting with mixed media & metallic accents | Art tutorial

Experience the creative journey of making a textured mixed-media abstract painting featuring a stunning mandala motif. Follow step-by-step as bold black and white palette knife strokes set the ...
IEEE

Design of a Traveling Wave Tube Multistage Depressed Collector Based on Back Propagation Neural Network–Random Forest Algorithm

Abstract: The multistage depressed collector (MDC) is a significant component of the traveling wave tube (TWT) that collects the wasted energy of the electron beam after beam-wave interaction. However ...
IEEE

Design of a Low-Sidelobe Wideband Leaky-Wave Antenna With Standing-Wave Excitation via Improved Discrete Particle Swarm Optimization

Abstract: This letter proposes a low-sidelobe wideband design methodology for leaky-wave antennas based on an improved discrete mutation particle swarm optimization (IMDPSO) algorithm. The approach ...
National Geographic news

Here’s what makes the North Sea so treacherous

Sometimes, the North Sea just decides to take a shot at you. Henk Buitjes knows what it’s like. Once, it happened at night in rough weather. The Dutch shrimp fisher was hauling his nets aboard when ...
Polygon

Browt’s sprouts might reveal Pokémon’s boldest Grass evolution yet

The Pokémon Company celebrated the franchise’s 30th anniversary in a huge way Friday, not only announcing Pokémon Winds and Waves but also by giving us our first look at the Gen 10 starters right away ...