Nonspecific fever. Kids infected with coxsackievirus usually establish an unexpected fever that lasts about 3 days. Often the fever comes in two waves â it is there for a day or two, disappears for a couple of days, then returns for about 3 days.
Albert Einstein proposed the idea the light exists of quanta of energy that he called photons.
The âCorpuscular theory of light was proposed by Newton in 1704. In this theory, he successfully explained the nature of light. The corpuscular theory is the simplest theory of light in which light is assumed as the tiny particles called âcorpusclesâ. The corpuscular theory is often referred to as particle theory or Newtonâs theory of light.