Abstract: In this paper, a low-complexity multi-polarization reconfigurable reflectarray antenna (RRA) with flexible 1- or 2-bit phase quantization is proposed, based on a PIN-tuned electrically ...

Abstract: A wideband 2-bit transmitarray antenna (TA) with two-dimensional (2-D) electronically beam-scanning capability is presented. Using the receive-and-transmit method, the reconfigurable TA (RTA ...

Despite randomised clinical trials (RCTs) being the gold standard for drug approval studies, the shift towards precision medicine has increased the use of single-arm trials (SATs). SATs lack results ...

Artemis 2 will be the first mission to carry humans to the moon's vicinity since 1972. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Artemis 2 ...

We all carry supercomputers in our pockets and use dozens of electric gizmos every day but rarely stop to marvel at the magical act of flicking a switch. Use your ordinary conducting and extraordinary ...

It’s often said that you don’t need a drill bit; what you need is a hole. How you make that hole is up to you, but it’s a given that you want to make it as efficiently as possible. The drill bit, ...

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