Neurodegenerative diseases are a heterogeneous group of disorders that are characterized by the progressive degeneration of the structure and function of the central nervous system or peripheral ...

Who calls the shots in Iran on economic policy, security, and domestic calls for reform? A look at the government’s organization chart indicates how complicated the answer is. Iran’s Supreme Leader ...

The peak of La Danta—one of the world's largest pyramids—pokes through the forest canopy. "All this was abandoned nearly 2,000 years ago," says archaeologist Richard Hansen. "It's like finding Pompeii ...

Abstract: Crater-based localization, which estimates spacecraft position by matching observed lunar craters with global catalogs, is critical for autonomous lunar surface navigation. However, ...

Researchers are warning that smart factories risk wasting time, money, and technical effort if digital transformation plans remain broad vision statements instead of being turned into structured ...

Abstract: Virtual impedance (VI) is widely used in grid-forming (GFM) converters to improve adaptability to stiff grid. However, there are various forms and positions of VI, and the impact of ...