Abstract: The vibration suppression of the rigid-flexible coupling hoisting robot (RFCHR), which exhibits nonlinear and underactuated characteristics, remains a significant challenge in engineering.

For millennia, the concept of an omniscient God — a deity who knows every sparrow that falls, every thought that forms, and every star that burns across the vast expanse of the cosmos — has boggled ...

THE STORY ON THE CONE. NOW. SKEENS DID SAY HE THINKS ONE OF HIS TEAMMATES PICKED UP THE CONE ON THE SIDE OF THE ROAD IN CINCINNATI EARLIER THIS WEEK WHEN THEY WERE THERE TO TAKE ON THE REDS. WE’VE ...

Quantum mechanics is both the most powerful theory physicists have ever devised and the most baffling. On the one hand, countless experiments have confirmed its predictions; the theory undergirds ...

The key to working at a place like Ars Technica is solid news judgment. I’m talking about the kind of news judgment that knows whether a pet peeve is merely a pet peeve or whether it is, instead, a ...

President Donald Trump has spent a lifetime talking himself out of tough spots. But in the war with Iran, his trusty technique of sowing confusion to postpone reckonings is beginning to fail. Ten days ...

The United States and Israel launched a major military campaign against Iran on Feb. 28, triggering a weekslong war that has spread to neighboring countries and roiled energy markets around the globe.

One of the most endearing things about the women's singles free skate finals at the 2026 Winter Olympics was the simple reminder that sports are fun. While Alysa Liu embodied that in her seemingly ...

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Sometimes the hardest part of doing an unpleasant task is simply getting started — typing the first word of a long report, lifting a dirty dish on the top of an overfilled sink or removing clothes ...

The Marinera, which was seized by the U.S., isn’t the only ship from the “shadow fleet” of oil tankers to switch lately to a Russian identity, seeking protection. By Paul Sonne and Michael Schwirtz ...

If you have ever been confused by language rules, like grammatical gender, this feature will no longer be locked behind a paywall. Zach began writing for CNET in November, 2021 after writing for a ...