[/caption] Baryon acoustic oscillation (BAO) sounds like it could be technobabble from a Star Trek episode. BAO is real, but astronomers are searching for these particle fluctuations to do what seems like science fiction: look back in time to find clues about dark energy. The Baryon Oscillation Spectroscopic Survey(BOSS), a part of the Sloan Digital … Continue reading "New Search for Dark Energy Goes Back in Time"