The new OpenAI GPT-5.2 model has been out for less than a week, and it’s already making top gains in deciphering the kinds of puzzles that human Mensa members have been noodling with for some time.

Abstract: To address the complexities of spatial non-stationary (SnS) effects and spherical wave propagation in near-field channel estimation (CE) for extremely large-scale multiple-input ...

Section 1. Purpose. On August 7, 1789, 236 years ago, President George Washington signed into law a bill establishing the United States Department of War to oversee the operation and maintenance of ...

[IMSAI Guy] grabbed an obsolete XOR gate and tried a classic circuit to turn it into a frequency doubler. Of course, being an old part, it won’t work at very high frequencies, but the circuit is super ...

You are given an array arr of positive integers. You are also given the array queries where queries[i] = [lefti, righti]. For each query i compute the XOR of elements from lefti to righti (that is, ...

The AN/SPY-7(V)2 EDM, installed on a test tower at Lockheed Martin's Moorestown, New Jersey, facility, achieved a first live track in December 2024. (Lockheed Martin) The Lockheed Martin Rotary and ...