Physicists have directly visualized the fundamental electronic building blocks of flat-band quantum materials, a class of ...

Abstract: This paper maximizes the throughput in the grant-free power-domain non-orthogonal multiple access (GF-NOMA) for users distributed in a 3D space by optimizing the power level selection ...

Being an expert birdwatcher is more than a hobby. It’s a pastime that may alter the structure and function of your brain. And these changes may enhance cognition even as you age, new research suggests ...