An optical illusion is a visual phenomenon where our perception of thinking about an image differs from objective reality. This image is seen as a Radiating Wavy Pattern Optical Illusion that appears ...

(Nanowerk Spotlight) When a patient receives radiation therapy for cancer treatment, doctors must carefully control the radiation dose to target tumor cells while sparing healthy tissue. This requires ...

AN article on the radiation pattern of the human voice by D. W. Farnsworth (Bell Lab. Rec., 20, No. 12 ; August 1942) gives some of the results of & research carried out in collaboration with H. K.