Chairman Jerome Powell’s term at the Federal Reserve ends in May, but he still has a separate seat as a governor that runs ...

Katie Wilson was sworn in as Seattle’s mayor Friday morning, outlining a vision centered on affordability, trust in ...

I’m a big fan of photography. I’ve been doing it for years, and I know my way around a camera. But I can’t even count how many times, mostly when I was younger, a random man—always a man—stopped me ...

Puzzle 1: You are given nine gold coins that look identical. You are told that one of them is fake, and that this coin weighs ...

A movement to help students understand rather than memorize has had sprawling effects, including pushback on teaching methods ...

Abstract: This paper proposes a high-performance speed measurement method for variable speed electric drives using incremental encoders. It is based on the well-known constant elapse time (CET) method ...

Abstract: This article develops a novel design principle for the observer of timed discrete event systems behaving under specific time semantics. Observers devoted to discrete event systems usually ...