In everyday life and across nearly every industry, mathematical reasoning is becoming more essential. We need to rapidly expand access to the after-school and summer programs that help young people ...

Abstract: Rotating machines such as motors, generate noise at the fundamental frequency and its harmonics. The narrowband active noise control (NANC) algorithm is widely used to cancel such noise.

Abstract: In this letter, a new class of wideband phase shifters using parallel-coupled-line resonators is proposed and developed. The proposed phase shifter consists of two distinctive branches: a ...

The writer Ta-Nehisi Coates joins Ezra Klein on the show to discuss how the left should think about the work of politics and persuasion in this moment.

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In our Ask the Editor round-up, Joy Taylor, The Kiplinger Tax Letter Editor, answers questions on the new tax deduction for ...