Quantum Computers and Parallel Universes<br />Australian Broadcasting Corporation - Sydney Writer's Festival<br />The two towering achievements of modern physics are quantum theory and Einstein’s general theory of relativity. Together, they explain virtually everything about the world in which we live. But almost a century after their advent, most people haven’t the slightest clue what either is about. Radio astronomer, award-winning writer and broadcaster Marcus Chown talks to fellow stargazer Fred Watson about his book Quantum Theory Cannot Hurt You.