Scientists have unveiled a new way to capture ultra-sharp optical images without lenses or painstaking alignment. The ...

One of the discoveries that fundamentally distinguished the emerging field of quantum physics from classical physics was the ...

Sir Chandrasekhara Venkata Raman and his student Nagendra Nath published a series of papers in 1936 on the diffraction of light by a liquid in the field of a high frequency sound wave. This was ...