Morning Overview on MSN

Scientists map Grand Canyon’s deep-time geology, filling key gaps

Stand at the South Rim of the Grand Canyon and look down. The banded rock walls dropping nearly a mile to the Colorado River ...
IEEE

Research on Time Scale of Cesium Atomic Clocks Based on Kalman Plus Weights Algorithm

Abstract: High-performance atomic clocks provide the foundation for precise time measurement. Common high-performance atomic clocks in time-keeping laboratories include hydrogen masers and cesium ...
IEEE

Delay-Aware Two-Time-Scale Scheduling for mmWave Systems With Mobility and Environment Knowledge

Abstract: A two-time-scale approximate Markov decision process (MDP) is proposed to optimize the uplink queuing performance of a millimeter wave (mmWave) communication system. Exploiting the wireless ...
The Guardian

Country diary: Our first sunny day in a month – time to scale a summit

Sgòr Gaoith, Cairngorms: Our rucksacks are heavy with crampons and ice axe, and the wind is a menace, but it’s all worth it for the views The weather app shows wall-to-wall spiky yellow suns. We haven ...