Abstract: This letter presents a reconfigurable polarization converter employing a metasurface with liquid crystals (LC) to convert linearly polarized (LP) waves into either left-hand circularly ...
Abstract: Writing is a fundamental skill in children’s educational development, but many face significant difficulties in learning it, which can affect their academic progress and self-esteem.
If only they were robotic! Instead, chatbots have developed a distinctive — and grating — voice. Credit...Illustration by Giacomo Gambineri Supported by By Sam Kriss In the quiet hum of our digital ...
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