A coded passage in “Kryptos,” Jim Sanborn’s sculpture at CIA headquarters, has gone unsolved for decades. After he announced its auction, two researchers stumbled on the answer.

It's a well-known fact that quantum calculations are difficult, but one would think that quantum computers would facilitate the process. In most cases, this is true.

Abstract: High-resolution and wide-swath (HRWS) multichannel synthetic aperture radar (SAR) provides extensive imaging coverage, playing a pivotal role in remote sensing applications. Although ...

Abstract: Electromagnetic vortex radar, with its unique capacity to carry orbital angular momentum (OAM) and its spiral phase wavefront, offers a groundbreaking approach to achieving super-resolution ...

Google's new BlockRank model promises faster, smarter AI retrieval and hints at how Google’s future ranking systems may evolve.

Combining a quantum-inspired algorithm and quantum information processing technologies could enable researchers to measure ...