The powerhouses of discovery. These monster machines have changed how we understand the universe.br br --br br ProducerVideo by:br Jason Ledermanbr br Research:br Erin Blakemorebr br Learn more: br Media Used:br CERNbr B.Tafreshi – ALMA (ESONAOJNRAO)br H. Calderón – ALMA (ESONRAONAOJ)br S. Otárola – ALMA (NRAO ESO NAOJ)br ALMA (ESONAOJNRAO)A.