The synchrony of production & escape: half the bright Lyα Emitters at z ≍ 2 have Lyman continuum escape fractions ≍ 50%

Cosmology: observationsCosmology: dark agesReionizationFirst starsGalaxies: high-redshiftIntergalactic mediumUltraviolet: galaxiesAstrophysics - astrophysics of galaxiesAstrophysics - cosmology and nongalactic astrophysics