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A real image is the collection of focus points actually made by converging/diverging rays, while a virtual image is the collection of focus points made by extensions of diverging or converging rays. In other words, a real image is an image which is located in the plane of convergence for the light rays that originate from a given object.
Non-contact thermography, is the field of thermography that derives diagnostic indications from infrared images of the human body. Nuclear medicine, uses administered radioactive substances to create images of internal organs and their function. Optical imaging, using light as an investigational tool for biological research and medical diagnosis
This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
Biophotons may be detected with photomultipliers or by means of an ultra low noise CCD camera to produce an image, using an exposure time of typically 15 minutes for plant materials. [ 9 ] [ 3 ] Photomultiplier tubes have been used to measure biophoton emissions from fish eggs, [ 10 ] and some applications have measured biophotons from animals ...
Bioimage informatics is a subfield of bioinformatics and computational biology. [1] It focuses on the use of computational techniques to analyze bioimages, especially cellular and molecular images, at large scale and high throughput.
Astras comprise four classes of weapons. The origin of Astras is elaborated in the Ahirbudhnya Samhita , a dialogue between Sage Narada and Shiva. When Narada asks Shiva about the origin of Astras, the god recounts a story: Eons ago, before the universe was created, Vishnu assumed many forms for his own amusement.
The mythology of Ardhanarishvara – which mainly originates in the Puranic canons – was developed later to explain existent images of the deity that had emerged in the Kushan era. [11] [20] [45] The unnamed half-female form of Shiva is also alluded to in the epic Mahabharata. In Book XIII, Upamanyu praises Shiva rhetorically asking if there ...
He then explained the issuing of the twenty-eight books of the Shiva sect, from the centre mouth of Shiva; and the Rig, Sama, Yajur and Atharva Vedas, from the other four mouths. moreover, stating that the sense of the Vedas was difficult to be made out, and of no very great consequence, he told them the real secret was the duty of worshipping ...