Heavenly clouds look soft and magical when you build them with gentle pastel layers and smooth value transitions. Start by lightly planning the cloud shapes and the direction of your light source so ...

A recent study that shows how cows can use tools recalls the controversial 1982 cartoon from "The Far Side" comic strip called "Cow Tools." In case you haven't heard, cows are using tools now. Well, ...

Abstract: In this letter, we devise two moving sampling schemes for two-dimensional (2D) direction-of-arrival (DOA) estimation using sparse planar arrays. The proposed schemes are applied to two ...

In case you haven't heard, cows are using tools now. Well, one cow, Veronika, a brown cow in Switzerland that used a broom to scratch her back and belly. Alice Auersperg wrote a book about animal ...

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