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Hace 17 horas · Every physical body spontaneously and continuously emits electromagnetic radiation and the spectral radiance of a body, B ν, describes the spectral emissive power per unit area, per unit solid angle and per unit frequency for particular radiation frequencies.The relationship given by Planck's radiation law, given below, shows that with increasing temperature, the total radiated energy of a ...
Hace 17 horas · Multiple sclerosis (MS) is an autoimmune disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged. [ 3 ] Being a demyelinating disease, MS disrupts the ability of parts of the nervous system to transmit signals, resulting in a range of signs and symptoms, including physical, mental, and sometimes ...
