How NASA's Artemis III lander test will pave way for moon landings

Before Artemis astronauts land on the moon's surface in 2028, NASA will conduct the Artemis III demonstration mission in 2027 ...
National Bureau of Economic Research

Harvesting Differences-in-Differences and Event-Study Evidence

This paper surveys econometric innovations related to differences-in-differences estimators and to event-study models with time-varying treatment effects. Our discussion highlights tricky ...
IEEE

A Remote Sensing Image Change Detection Method Integrating Layer-Exchange and Channel-Spatial Differences

Abstract: Change detection in remote sensing imagery is a crucial technique for Earth observation, primarily focusing on pixel-level segmentation of change regions between bitemporal images. The core ...