Though atoms are a fundamental building block of matter, scientific understanding of them is relatively recent. Ernest Rutherford developed the first coherent explanation of the atom’s structure in 1911 and showed that it consists of a positively charged core—the nucleus—orbited by negatively charged particles—electrons. However, classical theory held that electrons are continuously being accelerated. By Rutherford’s theory, then, electrons would spiral into the nucleus. Who solved this issue? Discuss