Abstract: Vortex electromagnetic waves carrying orbital angular momentum have been widely studied in many fields because of their unique helical phase structure. The vortex electromagnetic waves can ...
I pushed eight free AI chatbots to their limits to find the best AI chatbots of 2026. To explore our top picks, check out ZDNET's chatbot-by-chatbot guide.
This episode explains why dogs repeat certain behaviors and why the cause is often misunderstood by owners. It breaks down how reinforcement works, including rewards people may not realize they are ...
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