Rational artificial intelligence sounds simple on paper: build systems that make sensible decisions based on goals, evidence, and logic. Yet ...
A new metasurface design lets light of different spins bend, focus, and behave independently—while staying sharp across many ...
Elizabeth Blessing is a financial writer and editor specializing in growth investing, high-yield stocks, small caps, and gold investing. Thomas J. Brock is a CFA and CPA with more than 20 years of ...
The only letter I’ve ever sent to the New York Times was in the 1980s, objecting to the paper’s suddenly pestilent use of “draconian.” During Iran–Contra the complaint must have seemed trivial; the ...
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