E=mc². Just about everyone has at least heard of Albert Einstein's formulation of 1905, which came into the world as something of an afterthought. But far fewer can explain his insightful linkage of energy to mass. David Bodanis offers an easily...
«Quantum mechanics brought an unexpected fuzziness into physics because of
quantum uncertainty, the Heisenberg uncertainty principle. String theory does so
again because a point particle is replaced by a string, which is more spread...
In 1921, five years after the appearance of his comprehensive paper on general relativity and twelve years before he left Europe permanently to join the Institute for Advanced Study, Albert Einstein visited Princeton University, where he delivered...