A slender crescent moon slides past Saturn this week, offering a rewarding conjunction. It will be the perfect way to start your evening, a little quiet contemplation of the night sky as the evening twilight gives way to full darkness.
The chart…

A slender crescent moon slides past Saturn this week, offering a rewarding conjunction. It will be the perfect way to start your evening, a little quiet contemplation of the night sky as the evening twilight gives way to full darkness.
The chart…
likitlersuang surarak, c., wanatowski, d., oh, e., balasubramaniam, a. finite element analysis of a deep excavation: a case study from the Bangkok Mrt. Soils Found. 53, 756–773. https://doi.org/10.1016/j.sandf.2013.08.013 (2013).
Timoshenko, S. P. & Goodier, J. N. Theory of Elasticity (McGraw-Hill Book Co., 1970). https://doi.org/10.1115/1.3408648
Menard, L. The pressuremeter and foundation engineering. Sols Soils 1,…

Using a solid electrolyte instead of a liquid one inside a battery could enable rechargeable lithium metal batteries that are safer, store much more energy, and recharge far faster than today’s lithium-ion batteries. This idea has attracted…

China’s Shenzhou-21 astronauts interact with robot “Xiaohang” aboard China’s space station. /China Media Group
China’s Shenzhou-21 astronauts have steadily advanced scientific experiments in several fields aboard…

BEIJING — China”s Fengyun-3D satellite has found that the world’s formerly largest iceberg, A23a, is entering the final stages of its disintegration, according to the China Meteorological Administration.
True-color…
