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The experiences of recent years have tested all public sectors, and society has faced challenges we would not have foreseen. This has transformed our society into one that is more global, resilient and sustainable, and w...

Subjects / keywords: Commercialization; Fuel cells; Stack (abstract data type); Chemical energy; Durability; Process engineering; Regenerative fuel cell; Environmental science; Biochemical engineering; Computer science; Engineering; Business

We present experimental scattering data at microwave frequencies on a structured metamaterial that exhibits a frequency band where the effective index of refraction (n) is negative. The material consists of a two-dimensi...

This review describes a new paradigm of electronics based on the spin degree of freedom of the electron. Either adding the spin degree of freedom to conventional charge-based electronic devices or using the spin alone ha...