Of all the creatures on Earth, only two can produce human language: humans…and birds. Of the few birds that can imitate human speech, including mynah birds, crows, and ravens, parrots are clearly the ...

Can you chip in? This year we’ve reached an extraordinary milestone: 1 trillion web pages preserved on the Wayback Machine. This makes us the largest public repository of internet history ever ...

Abstract: Transmit beamforming is a versatile technique for signal transmission from an array of antennas to one or multiple users [1]. In wireless communications, the goal is to increase the signal ...