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Astronomers watch 2 supermassive black holes caught in a twisted dance with never-before-seen jet behavior

"This result shows that the Event Horizon Telescope is not only useful for producing spectacular images, but can also be used ...
The New York Times

Overlooked No More: Inge Lehmann, Who Discovered the Earth’s Inner Core

She pointed to evidence that the Earth’s inner core was solid — not liquid, as scientists had believed — a discovery that was ahead of its time. Inge Lehmann in 1932. She overcame discrimination in ...
IEEE

Estimation of Elastic Wave Velocity From Logging-While-Drilling Measurement in Unconsolidated Formation of Accretionary Wedge in Nankai Trough

Abstract: The logging-while-drilling (LWD) acoustic technology has been developed to measure formation velocities/slownesses for rig time saving and real-time applications such as seismic-tie, pore ...
IEEE

Effect of Shock Wave Boundary Layer Interaction on Supersonic Mixed Compression Air Intake

Abstract: Shock Wave Boundary Layer Interaction Control has been an active area of research for the past decades. The effect of SWBLI on the flow filed and on the performance of Supersonic Air Intake ...
SciELO

Dynamic response of projectile and charge during penetration into concrete target with high velocity

To study the dynamic response characteristics of the penetrating warhead under the impact load, experiments of projectile penetration into a concrete target were performed based on a 30-mm ballistic ...