Abstract: This study presents a comprehensive mathematical model for analyzing optimum frequency hop (FH) patterns (OFHPs) derived from two-dimensional circular shifts applied to a Golomb Costas array ...

Ring-like patterns in the sky could be ghostly imprints of a universe that existed before the big bang, according to a controversial new study. If the theory is correct, the cosmic rings may be the ...

He was the most famous magician of the 20th century. Yet Harry Houdini’s peers were often scathing about him. His tricks were ...