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.
But now add the rest of what Einstein did in 1905: 1  In March, Einstein creates the quantum theory of light, the idea that light exists as tiny packets, or particles, that we now call photons. 2  Next, in April and May, Einstein publishes two papers.