What’s Empty?
A recent conversation with Dr. John Mather -- 2006 Nobel Laureate in physics for measuring the heat radiation from the Big Bang, and senior project scientist of the powerful Webb telescope launched by NASA -- was thought-provoking and inspiring. ... After thirty years in the making, the challenges didn't end with its launch. Where would this infrared telescope be programmed to look first? The answer surprised me. ... Where would you have looked first?