The question has been debated ever since Newton. But physicists are still in the dark about whether light is 1) a wave, 2) a particle or 3) a combination of both. Sometimes it behaves like one, sometimes like the other. Last fortnight a physicist advanced a brand-new theory: that light is some kind of electrodynamic force which travels not in waves or straight lines but like a corkscrew.
Author of this idea was unorthodox Physicist Felix Ehrenhaft, whom most of his colleagues consider a champion leaper-to-a-conclusion. Last year Dr. Ehrenhaft started a sharp argument among physicists by announcing that magnetism has currents...
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