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Learn the important Racket concepts with practical examples, from functions and recursion to macros, contracts, streams, and ...

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NEW YORK CITY — More than 20 years ago, Christopher Nolan was hired to direct Brad Pitt’s swords-and-sandals epic Troy. Loosely adapted from Homer’s Iliad, the film depicted the decade-long Trojan War ...

University of Utah researchers have shown a holographic 3D printing method that forms tiny structures in about 20 seconds, but its biggest limitation keeps the breakthrough firmly in lab territory.

As we adjust our print schedule, launch a new website and rely on the U.S. Postal Service for delivery, please know these changes were not made lightly. They were made with our readers in mind — and ...