Abstract: Light amplification by stimulated emission of radiation (laser) sources has many advantages for use in high-data-rate optical wireless communications (OWCs). In particular, the low-cost and ...

Abstract: Ground-based whole-sky cameras have opened up new opportunities for monitoring the earth's atmosphere. These cameras are an important complement to satellite images by providing ...

It's one thing for APT groups to conduct cyber espionage to meet their own financial objectives. But it's an entirely different matter when they are used as "hackers for hire" by competing private ...