Abstract: Nonlinear Negative Imaginary (NI) systems arise in various engineering applications, such as controlling flexible structures and air vehicles. However, unlike linear NI systems, their theory ...

backon is a modern evolution of backoff — a zero-dependency Python library for retry with exponential backoff. It provides decorator, functional, and context manager APIs for both sync and async code.

DraftKings (DKNG) shares have tanked recently, on concerns that prediction markets are a competitive threat to sportsbooks. Cathie Wood's Ark Invest ETFs have taken advantage of the recent weakness, ...

The giant Australian cuttlefish annually return to the waters of the Upper Spencer Gulf, near Whyalla, in their tens of thousands for its breeding season. But this year, barely any have arrived.