Abstract: In this paper, we present an event-triggered controller design approach for discrete-time linear time invariant system directly from data, and prove its stability base on Lyapunov theory.

Thirty-eight percent of Stanford University undergrads identify as disabled—that’s according to records from Stanford’s own Office of Accessible Education. Based on student surveys and internal ...

Physical systems become inherently more complicated and difficult to produce in a lab as the number of dimensions they exist in increases—even more so in quantum systems. While discrete time crystals ...

Microsoft announced two new Windows 11 recovery features today at the Ignite developer conference, called Cloud Rebuild and Point-in-Time Restore (PITR), that aim to reduce downtime and make it easier ...

In a new study published in Nature Physics, researchers achieved the first experimental observation of a time rondeau crystal—a novel phase of matter where long-range temporal order coexists with ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Here’s what you’ll learn when you read this story: Time crystals oscillate in ...

Here’s what you’ll learn when you read this story: Getting rid of Daylight Saving Time (DST) has been a much talked about subject for years, with people mainly residing in two camps: Make DST ...

It’s a big day for iPhone owners around the world today. That’s because Apple will release the iPhone’s new iOS 26 operating system to the public. iOS 26 sports the most significant redesign to the ...

Federal funding is about to run out for 19 active space missions studying Earth’s climate, exploring the Solar System, and probing mysteries of the Universe. This year’s budget expires at the end of ...

Duke University Health System announced a new policy cutting paid time off for new hires and curbing its usage for current employees Aug. 19. Employees hired after Jan. 1, 2026, will see a reduction ...