Almost 11 million bitcoin are now held at a loss, while long-term holders control a record 14.8 million coins.

From the US Virginia-class to Russia's Yasen-M and Japan's Taigei, these are the seven most powerful submarines operating in ...

You are given an array that consists of nnn integers. The array elements are indexed 1,2,…,n1,2,\dots,n1,2,…,n. You can modify the array using the following operation: choose an array element and ...

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Abstract: With the diversification of internet applications and the increasing demand for data transmission rates, traditional rule-based circular beamforming can no longer meet the requirements of ...

Abstract: A dual-polarized cross-slot antenna array based on the parallel-plate waveguide (PPW) is presented in this letter. A new compact 2 × 2-element subarray consisting of four radiating ...