An intriguing number puzzle is making waves on X, inviting challenge-seekers to identify a missing digit from a handwritten list ranging from 1 to 100. Shared by the ever-creative @elonmuskelry, this ...

Abstract: Frequency diverse array (FDA)-multiple-input and multiple-output (MIMO) radar is characterized by a range-angle-dependent beampattern owing to extra frequency offset across the transmit ...

We promise we won't give you a pop (corn) quiz at the end When I was a little girl, I used to play counting games while I ate corn on the cob. First, I would count the number of bites it took me to ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

Background: Executive Function and the Approximate Number System are well-established as critical components in developing the Cardinality Principle in young children. However, most existing studies ...

Abstract: Flexible conformal array (FCA) can be regarded as an intelligent antenna array with deformable surface that can be widely used for smart skin or deformable aircraft. This article extends the ...

In this letter, we address the problem of phase-only transmit beamforming to generate a wide beam with an almost flat mainlobe for phased arrays. Instead of resorting to time-demanding optimization ...