Abstract: Recent work (Rantzer, 2022) formulated a class of optimal control problems involving positive linear systems, linear stage costs, and elementwise constraints on control. It was shown that ...

The Year 2036/2038 problem is a bug that will be triggered in more than a decade, but hackers could exploit it today against ICS and consumer devices. Widely known time-related software bugs that ...

The ram air turbine, used when electrical power or hydraulic pressure fails, was deployed during an Air India flight that landed safely over the weekend. The same system had been activated during a ...

I can imagine a future where a portion of my paycheck is withheld, à la state and federal taxes, and siphoned directly to Taylor Swift. This seems like a logical progression because Swift keeps ...

Ruben Amorim said he has no plans to walk away from the Manchester United job and insisted his system is not to blame for their struggles in an impassioned press conference. HIs side face Sunderland ...

On Windows only (doesn't happen on Mac) we are running into a situation where our Word Add-in won't load anymore. The task pane has a yellow banner at the top with "Update Add-in" and "Close" buttons.

This week, a new word was unveiled: healthocide. In a commentary published in the journal BMJ Global Health, it's defined in part as the deliberate damaging or destruction of health services. "We mean ...

Word problems are often described as “math stories” and can put complex mathematical operations into a more approachable form for students. But students often struggle when they see a combination of ...

The ongoing crisis at Newark Liberty International Airport has laid bare the sorry state of our nation’s air-traffic-control system. Equipment outages have left air-traffic controllers unable to track ...

Novel bi-phase piezo motor enables accurate linear motion in an extremely compact package, new from PI. PI’s B-421 miniaturized piezo stages provide 10 nm positioning resolution in an extremely ...