PROF. R. W. WOOD'S “Physical Optics” was issued in 1905 and revised in 1911, when it was expanded by 150 pages, with nearly a hundred new illustrations. The new edition shows a similar expansion of ...

Electromagnetic Theory of Propagation, Interference and Diffraction of Light. By Prof. Max Born and Prof. Emil Wolf. With contributions by A. B. Bhatia, P. C. Clemmow ...

Engineers at the University of Florida have built a photonic chip that performs convolutions, the most compute-heavy operation in modern AI, using light instead of electricity and delivering roughly ...

Abstract: Ray-tracing physical-optics (RT-PO) models have been widely used to simulate array antennas combined with dielectric radomes. In this work, we present an efficient two-dimensional (2D) ...

To capture higher-definition and sharper images of cosmological objects, astronomers sometimes combine the data collected by several telescopes. This approach, known as long-baseline interferometry, ...

For the past two decades, scientists have wondered about a bright, distinct striped pattern seen in radio waves emanating ...

Attosecond pulses enable sub-femtosecond studies of ultrafast electron dynamics. Since 2001, pulse durations have shortened ...

Abstract: With the rapid development of low-altitude unmanned aerial vehicle (UAV) network communication, physical layer security of wireless communication has become a research hotspot. Due to the ...

The Joint Entrance Examination (JEE) Main 2026 is one of the most competitive engineering entrance exams in India, conducted by the National Testing Agency (NTA) for admission to top engineering ...