Nuclear ballistic missile submarine District of Columbia (SSBN-826) is more than halfway completed, with major modules due to arrive at General Dynamics Electric Boat by the end of the year, company ...

A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible. Sometime in the fall of 2021, Andrew ...

Abstract: In the future low earth orbit (LEO) satellite constellation system in the 6G era, it is essential to increase the feeder link capacity. MIMO (Multiple-Input Multiple-Output) transmission is ...

Given an unsorted array arr of size n that contains only non negative integers, find a sub-array (continuous elements) that has sum equal to s. You mainly need to return the left and right ...

The prime contractor behind the Pentagon’s top acquisition priority is slowing its rate of producing submarines due to a lack of “major components,” company officials said on Wednesday. General ...

Virtual threads, revealed in Java's Project Loom and generally available with the Java 21 LTS, promise unparalleled scalability, simplified asynchronous coding and more efficient resource utilization.

Java 23, now generally available, includes previews of module import declarations, stream gatherers, structured concurrency, scoped values, and a class-file API. And much more. Java Development Kit ...

Abstract: In this paper, a universal methodology for implementing subarray architecture in an actual array antenna is proposed. By rotating the circularly polarized subarrays, the repetitiveness of ...